NHIE Full Study Set 2020 version 5
Flush tanks shall be equipped with an anti-siphon valve which needs to be located ________ in above the full opening of the overflow pipe.
1
Islands and Peninsulas require a minimum of _______ outlets
1
Within each plumbing system not less then ________ stack vent or a vent stack shall extend outdoors to the open air
1
at least _________ wall switch controlled lighting outlet shall be installed in every habitable room, hallway, stairway, garages, inside detached garage with power, and outside every egress door at grade level.
1
how many services are allowed per dwelling?
1
unfinished basements require a minimum of ________ receptacle outlets
1
when there are 3 bathrooms in the house usually means a ________ in service
1
Wet vent minimum pipe size is _________ in and must be located on the same floor level.
1 1/2
What is the minimum trap arm size for a kitchen sink
1 1/2 inches
Shakes and shingles have a _________ overhang as a drip edge.
1 1/2"
Nosing overhang on stairs is ______ inches max
1 1/4
The minimum size of a plumbing exhaust vent is how many inches?
1 1/4
The minimum diameter for a dry vent is _______
1 1/4 inches
The door between garage and living space must be at least ___ inches thick solid core wood. If it is a metal door, it has to have a fire rating of at least __ minutes.
1 3/8, 20
The dishwasher cycle typically takes _______
1 hour and 15 minutes
An air space of _____ is left behind brick veneer to allow water to pass through.
1"
Proper slope away from the house should be:
1" per foot for 5-6 feet
Type B, gas, vents must be at least ______ inches away from combustible material and terminate ______ foot above the roof.
1, 1
What size copper and aluminum wire is used with a fuse or breaker size 150
1,2/0
Bathroom receptacles must have a minimum of _____ ________ ampere branch circuits.
1,20
List five common materials used in venting systems
1. Copper 2. Galvanized steel 3. Cast Iron 4. ABS plastic 5. PVC plastic
List 8 different materials used for piping in drain, waste and vent systems
1. Copper 2. ABS plastic 3. PVC plastic 4. Cast iron 5. Lead 6. Galvanized steel 7. Brass 8. Clay
List the materials commonly used for water service piping
1. Copper 2. Galvanized steel 3. Lead 4. PVC plastic 5. CPVC plastic 6. Polyethylene plastic 7. Polybutylene plastic 8. Cast iron 9. Asbestos cement 10. Brass
List five specific areas where tile enclosures are vulnerable to leakage
1. Faucets 2. Soap dishes 3. Grab bars 4.Windows 5. Changes in direction or material
List 13 locations in a house where there may be a cross connection.
1. Fixtures where the faucet spout is below the overflow or flood rim of the fixtures 2. Fixtures where hand held showers, extendable faucets or vegetable sprayers can be left in tubs basins or sinks 3. Garden hoses attached to a hose bib 4. A toilet tank where the fill water enters at the bottom 5. A dishwasher where a solenoid valve separates the clean water from the grey water 6. A clothes washer discharging into a laundry tub 7. A water softener 8. A humidifier connected to the supply piping 9. A lawn or fire sprinkler system 10. A bidet where water enters at the bottom of the bowl 11. A hot water boiler 12. A swimming pool fill outlet located below the flood level of the pool 13. A trap primer without a air gap
List materials used as water supply piping.
1. Galvanized steel 2. Copper 3. Polybutylene 4. Polyethylene 5. CPVC 6. Brass 7. Stainless Steel
List the common problems found with fan assisted gas water heaters.
1. Inoperative 2. Blower intake obstructed 3. Poor venting arrangement 4. Poor blower wiring
List 8 common bathtub problems
1. Leaks 2. Rust 3. Surface defects 4. Cross connections 5. Not level 6. Overflow leaking, disconnected, or loose 7. Slow drains 8. Loose or unstable
List 9 common faucet problems
1. Leaks or drips 2. Stiff or inoperative 3. Loose 4. Cross connection 5. Noisy 6. Damaged, Rusted, loose or missing handles 7. Hot and cold reversed 8. Obstructed aerator 9. Shower diverter inoperative/defective
List 7 common problems with hose bibbs
1. Leaks or drips 2. stiff or inoperative 3. no backflow prevention 4. loose 5. pipe frozen or split 6. poor slope on a frost-free hose bibb 7. mechanical damage
List 12 locations for possible cross connections in a residence.
1. Supply faucets below the flood rim of fixtures 2. Drain connections from dishwashers 3. Drain connections from clothes washers 4. Water softeners 5. Outside house bibbs with hoses attached 6. Lawn sprinkler system 7. Bidets 8. Vegetable sprayers and extendable faucets at kitchen sinks 9. Shower wands on bathtubs 10. Toilets 11. Supply connections to heating boilers 12. Trap primers
List 7 problems found with vents.
1. missing 2. ineffective/incomplete 3. poor vent pipe arrangements 4. too small or too long 5. island venting problems 6. vent termination problems 7. automatic air vents
What are the two methods of rating a water heater?
1. the volume of water it can hold 2. the size of the burner
What is the minimum size trap for a bidget?
1.25 in
toilet max gallons per flushing cycle is _________ G
1.6
What are the 3 components required on the discharge line from a sewage ejector pump?
1.A Union 2.A check valve 3. A gate valve
Describe in two sentences each, two types of hose bibbs.
1.A stop and waste valve prevents water from sitting where the pipe will freeze by isolating the through wall section of pipe and draining the trapped water out through the waste valve 2.A frost proof valve prevents water from sitting where the pipe will freeze by having the valve body remote from the hose bibb, and a slope to drain to the exterior
List 3 types of faucet related noises.
1.Bang 2. Chatter 3. Whistle
List two methods of reducing the freezing risk of pipes in a cold environment
1.Insulating the pipe 2.Wrapping the pipe with heating cable
List four types of traps that are not permitted in residential construction
1.S-Trap 2.Drum Trap 3.Bell Trap 4.Crown vented trap
List 3 common leak locations in a two-piece toilet.
1.The bowl 2.The tank 3. The seal
list two possible cross connections at basins and sinks
1.Vegetable sprayer left lying in a sink 2.Extendable faucets
The supply water piping diameter inside houses should be at least
1/2 inch
Recessed lights that are not identified for contact with insulation shall have all recessed parts _______ in from combustibles, and _________ in from insulation
1/2, 3
A NM cable shall extend no less then ______ in into box
1/4
If a panel is located in a damp or wet location there must be _______ in of air space behind the surface mounted metal panel.
1/4
What is the required slope for nearly horizontal pipes in a drain, waste and vent system?
1/4 inch to 1/2 inch fall per foot run
Gutters should be placed so that the slope of the roof clears the edge by ______ to ______.
1/4", 1"
slope in tub is min of ______ in and a max of ________ in toward the drain
1/4, 1/2
GFCI protect all receptacles within ________ feet of a hot tub or spa
10
Hallways equal to or greater then ________ feet require a receptacle.
10
Tread/run max on stairs is ________ inches
10
_______ feet is the minimum distance for a gfci protected outlet from a swimming pool 4 6 8 10
10
_________ feet is the minimum distance for a gfci protected outlet from a swimming pool
10
all 125 volt receptacles located a maximum of _________ feet from the inside walls of a swimming pool shall be protected y GFCI interrupter
10
conductors above a roof surface that is subject to pedestrian traffic shall have a vertical clearance of no less then __________ Feet
10
When a vent terminates less than 2 feet above a window, what is the minimum horizontal distance required to the window opening?
10 feet
Vertical anchors are placed about every _______ along the wall and extend about _____ into the soil.
10', 4'
The typical lifespan of most major appliances is ______ to _______ years
10, 20
What size copper and aluminum wire is used with a fuse or breaker size 25
10,10
Vent terminals extending through the wall shall terminate not less then __________ feet from the lot line and ______ feet above the highest grade within ______ feet horizontally of the vent terminal.
10,10,10
The drip loops lowest point is required to be ___________feet above grade with the exception of residential property and driveways the minimum height is _____feet, and over public streets, alleys and parking areas the minimum is _________feet
10,12,18
For window AC units the max cord length for a 120 V is _______ feet, and for a 240 V it is __________ feet
10,6
What size copper and aluminum wire is used with a fuse or breaker size 30
10,8
What is the recommended horizontal spacing of supports for galvanized steel piping?
10-12 Feet
Clean outs shall not be more than ___ feet apart in horizontal drainage lines measured from the upstream entrance of the cleanout.
100
The minimum amp service for a single family dwelling is ________ amp with _________ wires, and all other services must be ________ amp
100, 3, 60
Branch circuit EGC (Equipment grounding conductor) needs to be a minimum of ____ AWG wire
12
Cook tops with down draft vents should be vented out doors and be a minimum of _______ inches above grade
12
Copper and steel piping must be supported every ______ feet.
12
Gas pipe must be buried at least _________ inches underground.
12
In a closet the minimum clearance between the light fixture and the nearest point of storage is _________ in
12
No construction debris, rocks or discarded concrete is allowed in the first _________ in of backfill
12
Pool motors must be grounded a minimum of ________ awg
12
Service conductors that are buried at least 18 in and are not encased in concrete shall have their location identified by a warning ribbon placed in the trench not less then ________ inches above the underground installation.
12
fixtures with concealed slip joints connections shall have a minimum of _________ in of accessibility
12
gas pipe must be buried at least _________ in underground
12
in the kitchen, wall receptacles will be installed on each wall countertop space greater then or equal to _______ inches
12
Water service piping must be buried at lest _________ and in cold climates must be buried at least __________ below the frost line.
12 inches, 6 inches
The water service pipe shall be installed a minimum of ______ in deep or _________ in below the frost line
12, 6
What size copper and aluminum wire is used with a fuse or breaker size 20
12,10
Whirlpool tub motor requires minimum _______ in by ______ in access and ______ in by _________ in if pump is greater then two feet from opening.
12,12,18,18
Gas ovens require a _______ volt electrical power outlet for the controls and lights
120
Hot water supplied to the bathtub shall be limited to a temperature of ________ degrees .
120
The ampacity of the circuit conductors shall not be less then ______ percent of the full load (name plate) rating on a water heater.
125
For hot tub/spa cord less then or equal to ________ feet is ok for GFCI protected package unit
15
For multi outlet circuits the receptacle rating must be _________ for a 15 ampere circuit rating
15
The central Vacuum must be on a separate grounded circuit and requires a _______ amp circuit breaker.
15
Which size breaker should a 14 G aluminum wire go 15 20 25 30
15
Which size breaker should a 14 G copper wire go 15 20 25 30
15
Asphalt shingles can last:
15 to 20 years
For multi outlet circuits the receptacle rating must be _________ or ________for a 20 ampere circuit rating
15,20
a toilet shall not be set closer then _______ inches from its center to any side wall partition or vanity, and requires a clearance of not less then _________ in
15,21
Metal roofing can last:
15-40+ years
Luminaries mounted in pool walls shall be installed with the top of the fixture lens not less then ________ in below the normal water level of the pool
18
Minimum of _______ in of conductor at weatherhead
18
Receptacle is required behind a corner sink if the space behind it is equal to or greater then _______ in deep
18
A Well must be ______ inches above ground abs the first______ feet must be in casing below ground.
18 in, 50 feet
How high above the floor should a gas or oil fired water heater be in a garage?
18 inches
What is the minimum and maximum length of the disposal cord?
18, 36
What is the minimum and maximum length of the range hood cord?
18, 36
Standpipe receptors for clothes washers shall extend above the trap no less than ____ and a maximum of ____ A. 18" B. 24" C. 30" D. 42"
18, 42
Drain pipe clean outs must remain accessible. The area in front of the clean out must have a clearance of no less the _______ in for 3 in and larger pipes, all smaller pipe cleanouts require a minimum of ______ in of clearance
18,12
garbage disposal cord must be a minimum of _______ in, and maximum _________ in
18,36
A cable or conduit emerging from ground requires protection ______ in below grade to ________ feet above grade
18,8
When was copper supply piping first used?
1930s
When we're Asbestos shingles last made?
1950s and 1960s
A concrete chimney cap should be ______ inches thick
2
A kitchen drain, if properly trapped will have a minimum water seal of __________ inches
2
Over the rim bath Faucet requires a minimum air gap of _______ inches
2
The minimum diameter in inches of a floor drain waste outlet is _________
2
What is the minimum size drain pipe on any appliance?
2
At least how far should an outdoor vent termination be above an operable door?
2 Feet
What is the typical vent size on a sewer ejector pump?
2 inches
An inspector is in a garage inspecting a water heater. he sees that the water heater is installed 18 in above the gage floor, has a galvanized pan under it , it is piped to the outside of the dwelling. He is looking for a combustion opening. There is an attic above the compartment of the water heater and an access door from the garage to the water heater. Where are these openings to be located?
2 openings, one within 12 in of the top, one within 12 in of the bottom of the confined space.
What size copper and aluminum wire is used with a fuse or breaker size 125
2, 1/0
Kitchen and dinning area receptacles must have ______ _________ ampere rated branch circuits
2,20
Weep holes appear _____ to ______ feet
2,3
Traps shall have a liquid seal of no less then ______ in and no more then ________ in
2,4
Curbs for showers must be a min of ____ in high and a max of ________ in high
2,9
What size copper and aluminum wire is used with a fuse or breaker size 200
2/0,4/0
Flat Roofs have a slope of less than:
2/12
A minimum of two _________ampere rated branch circuits shall be provided to serve receptacles located in the kitchen, pantry, breakfast area and dining area
20
in the kitchen the max height of a countertop receptacle is _____ in above the countertop
20
Typical low limit setting for water in pressure tank:
20 and 40 psi
In the laundry room there must be a minimum of 1 ________ ampere rated branch circuit receptacle, and a minimum of a ________ ampere rated branch circuit receptacle for a electric dryer.
20,30
The shower door is required to open outward and has to be a minimum of _______ in wide
22
What is the minimum entrance width for shower stalls?
22 inches
overhead conductor clearance in any direction to water level edge of water surface, base of diving platform must be minimum of _______feet high, and clearance in any direction from diving platform is a minimum of ___________feet
22.5, 14.5
Gas meter (UMC) has a minimum access opening of ______ by _______
22x24
In the kitchen, receptacle outlets shall be installed so that at no point along the wall line there isn't a receptacle within ______ in with the except of behind stoves and sinks
24
What is the typical maximum distance between the fixture and the trap?
24 Inches
An unbroken wall space having a minimum width of ______ shall be considered for the purpose of determining receptacle outlet distribution
24 in
The minimum clearance in front of the shower opening is ________
24 in
Access opening for crawlspace:
24" x 16"
The vertical distance of a trap shall not exceed __________ in and the horizontal distance shall not exceed ________ in from the fixture.
24,30
The electrical system of a house is ______/_______ volt system
240/120
A 120 volt single phase 15 or 20 amp rated receptacle shall be installed at an accessible location for servicing the heating, AC and refrigeration equipment and is required to be located on the same floor, and within ____________ feet of the equipment
25
a differential of ________ degrees is acceptable for the oven temperature
25
A temporary service pole is installed in the earth usually to a depth of at least _____ feet
3
Bathroom requires that there is an outlet within ________ feet of each basin
3
Clamp conduit must be within ________ feet of service box
3
Where an opening to an outlet is less then 8 inches in any dimension each conductor shall be long enough to extend at least _______ inches outside of such opening
3
an open service conductor without an overall outer jack shall have a minimum clearance of ________ feet from the sides of doors porches and openable windows
3
open conductors and multiconductor cables without an overall outer jacket shall have a clearance of no less then __________ feet from doors, windows, stairs, past the roof edge, and decks
3
pool pump motor cord has a maximum length of _______ feet
3
The Landing at the top of stairs should be _______ minimum.
3 feet
Hanging luminaries lighting track and pendants shall be located a minimum of _________ horizontally and _________vertically from the top of a bathtub rim or shower stall threshold
3 ft, 8 ft
Chimney height must be at least ______ feet higher than point of roof penetration and ______ higher than anything within _______ feet of it.
3, 2 feet, 10
cord connected light switch outlets, chain, cable, or cord suspended luminaires, lighting track, pendants and ceiling suspended paddle fans shall not have any parts located within a zone measured _________ feet horizontally and _________ feet vertically from the top of a bathtub rim or shower stall threshold.
3, 8
A Copper plumbing pipe should be _______ inches
3/4
Dishwasher drain hose minimum of ______ in and fastened to underside of counter
3/4
The minimum size pipe used from the water main to the house is ______ in
3/4
the minimum water service pipe size is _________ in
3/4
What is the typical minimum diameter of water service piping in modern construction?
3/4 Inch
Minimum service pipe size for water:
3/4"
The minimum distance to combustibles above a range is _______ inches
30
the laundry tub may drain to standpipe within _____ in
30
workspace in front of an electrical panel board shall be a minimum of ____ in width but not less then the width of the panel board
30
Typical high limit setting for water in a pressure tank:
30 and 50 psi
Distance between Well and House:
30 feet
What is the minimum width of space needed for a toilet installation?
30 inches
A clay tile roof can last:
30 to 50 years
Concrete tiles on a roof have a life expectancy of:
30 to 50 years
Porch railings are required for porches more than ________ above the ground.
30"
Vertical anchors are used with walls over:
30" high
The dimensions of the working space in the direction of access to panel boards and live parts likely to require examinations, servicing etc while energized shall be not less then ________ in wide and _________ in deep, with a minimum height of ______Feet _________ in
30, 36, 6,5
When a chimney is wider than _________ inches, a _________ should be installed.
30, cricket
The disconnect clearance on central ac equipment must be ________in wide and _________ in deep.
30,36
PEX tubing should be supported horizontally every ____ inches and vertically every ____ feet.
32, 10
PEX tubing should be supported at least every _____ in horizontally and vertically every ________ feet
32,10
Handrails should be _____ to ______ high.
34",38"
ceiling suspended paddle fans weighing a maximum of __________ are permitted to be supported by outlet boxes identifies for such use
35 lbs
Max allowable vent run for a dryer is _____ feet and minus _______ feet every 90 degree turn
35,5
A panel board requiring access while energized shall be provided with a minimum of _________ in depth measured in the direction of access.
36
Safety glazing, on windows, must be no less than ______ above landing or tread.
36 inches
What is the minimum and maximum length of the dishwasher cord
36, 48
What is the minimum and maximum length of the trash compactor cord
36, 48
Dishwasher and garbage compactor cords must be a minimum of _________ in and a max of _______ in
36,48
ABS and pvc piping must be solidly supported horizontally every _______ feet
4
Air admittance valves shall be located not less then _________ in above the horizontal branch drain or fixture drain being vented
4
The minimum distance for a junction box from a swimming pool is _______feet
4
dryer vent pipe needs to be a minimum of _______ in in diameter
4
Distance between balusters:
4 inches
An open vent terminal from a drainage system shall not be located less then ___________ feet directly beneath a door, window or air intake of the building , nor shall any such vent terminal be within ______ feet horizontally of such an opening unless it is not less then ______ feet above the top of such opening
4,10,3
What size copper and aluminum wire is used with a fuse or breaker size 100
4,2
Type NM wiring shall be supported a maximum of ___________ on center.
4.5 feet
The minimum breaker size for an electric stove is _________ amp
40
The static water pressure at the building entrance for either public or private water service shall be not less than _______ psi
40
City water pressure is usually:
40 (min) to 80 (max) psi
Wells provide water pressure ______ to ______ psi
40,60
In a Basement Window Well, a ladder is required of the well is greater than ______ below grade.
44"
A minimum of _______feet is required for a gfci outlet or switch from a hot tub or spa
5
Interior metal water piping located more than _______ feet from the entrance will not be used as part of the grounding electrode system.
5
No wall switches are allowed within _________ feet of hot tub/spa
5
Switches shall be located not less then __________ feet horizontally from the inside walls of pools
5
Timers or electrically operated switches on hydro therapy equipment must be located a minimum of __________ feet from the tub deck
5
for above ground instillation req of NM (nonmetallic sheathed cable) and SE (Service entrance cable) bend radius of cable shall not be less then _______ times its diameter
5
outdoor lights and outlets that are greater then ______ feet and less then _________ feet require gfci protection unless they are ________feet above the max water line
5,10,5
outdoor lights are required to be a minimum of ______ feet away from the pool unless they are equal to or greater then ____ feet high
5,12
Escape openings in basements must have a clear opening of ________ square feet.
5.7
where the shut off valve is installed in the manifold such shut off valve will be located within _________ feet of the appliance served
50
A dry vent shall rise vertically to not less then ________ in above the flood level rim of the highest trap or trapped fixture being vented.
6
A vent must terminate a minimum of ______ in above the roof
6
Flex dryer vent connector must be less then _______ feet
6
Gas shut off valves for gas ranges needs to be within ________ feet of the range.
6
Receptacles in rooms shall be installed so that no point measured horizontally along the floor line of any wall space is more than __________ feet from a receptacle outlet
6
The Maximum handles to disconnect power at service is ____________.
6
The maximum length of the range gas line is _______ Feet?
6
The minimum clearance for a recessed incandescent light from a combustible material in a closet is _______ in
6
Where conductors are to be spliced, terminated or connected to fixtures or devices a minimum length of _______ inches of free conductor shall be provided at each outlet, Junction or switch point.
6
all receptacles within __________feet of a hydromassage tub is required to be GFCI protected.
6
garage door eye sensors must be installed within ______ inches of the garage floor
6
A 120 V single phase, 20 ampere receptacle serving a countertop surface shall be provided with GFCI protection where located a maximum _______ of outside edge of wet bar sink
6 feet
A 125 V single phase 20 ampere receptacles shall be provided with ground fault circuit interrupter protection were located within ______ of the outside edge of a laundry sink 2 FT 3FT 4ft 6ft
6 feet
A gas shutoff valve for an appliance shall be located in the same room as the appliance, with a maximum distance of ________ between the valve and the appliance
6 feet
A range and domestic clothes dryer connectors, appliance fuel connectors shall have a maximum overall length of ?
6 feet
What is the maximum length of a gas line that connects to a gas appliance?
6 feet
Unless installed parallel to framing members, NM wiring run in an attic accessed by a portable ladder shall be protected from damage where located within _____________ of the nearest edge of the attic entrance.
6 ft
What is the maximum length of a gas line that connects to a gas appliance?
6 ft
all switches position shall be located and installed so that the center of the grip of the handle in its highest position is a maximum of ________ above the floor or working platform
6 ft 7 in
Proper slope away from foundation within the first 10 feet should be:
6 inches
What is the minimum height of vent pipe above the roofline?
6 inches
a luminary that weighs a minimum of _______ or exceeds _____ in any dimension shall not be supported by the screw shell of a lamp holder
6 pounds, 16 inches
Wood siding should be _____ to _____ above the soil.
6",8"
Copper tubing must be supported every _____ feet and vertically every ____ feet.
6, 10
The maximum length of the range cord is ________ feet and should have a ________ volt electrical supply
6, 240
Type L vents must have a clearance of _____ to _____ inches and terminate ______ feet above the roof.
6, 9, 2 feet
A main vent or soil stack must extend ______ inches above roof and must be _______ inches away from any wall and ______ feet from any window.
6,12,10
at least 1 125 V 15 or 20 amp receptacle supplied by a general purpose branch circuit is required between ________ feet and ______ feet from the pool wall.
6,20
What size copper and aluminum wire is used with a fuse or breaker size 60
6,3
What size copper and aluminum wire is used with a fuse or breaker size 50
6,4
Stack type air admittance valves shall be located not less then __________ in above the flood level rim of the highest fixture being vented, and shall be installed not less then _______ in above insulation materials when installed in an attic.
6,6
The max height of breaker switches is _______ Feet _____ in
6,7
What is the recommended horizontal spacing of supports for copper piping?
6-10 feet
Where does the discharge tube from the temperature/pressure relief valve have to dump water in a cold climate?
6-12 inches above the floor beside the hot water tank
Where does the temperature/pressure relief valve have to discharge water in a warm climate?
6-24 inches above grade level outside the house
Ceiling fans should be a minimum of _______ feet above the floor
7
indoor lights _______ feet above the water is ok as long as they are enclosed and gfci protected
7 1/2
Rise max on stairs is ________ inches.
7 3/4
cables shall be protected by substantial guard strips when run across the top of the floor or within ________ feet of floor when space is provided access to. for attics that do not have a permanent ladder only need to protect within ______ feet of the opening.
7,6
What is the approximate temperature rise in residential water heaters?
70 Degrees
Nonabsorbent surface material is required to be _______ in above the floor in a shower.
72
Distance between Well and Septic tank:
75 feet
Individual lines to outside lights, grills or other appliances shall be installed a minimum of ______ in below finished grade.
8
Rod and pipe electrodes shall be not less than ___________ feet in length.
8
Roll roofing (modifies bitumen) can last:
8 to 15 years
Minimum clearance from conductors to roof covering is _______Feet if the slope is less than 4/12, and if equal to or greater then 4/12 the minimum clearance is ________ feet, and the minimum clearance of only the overhang portion of the roof shall be no less than _______in
8, 3, 18
Junction box are required to be _____ in above water, and _____ in above deck, and a minimum of _________ feet from pool edge
8,4,4
What size copper and aluminum wire is used with a fuse or breaker size 40
8,6
if the static water pressure exceeds __________ psi an approved pressure reducing valve will be installed to help regulate pressure at the main
80
Supply water pressure inside the house should not exceed
80 psi
Electric self cleaning ovens get up to ______ degrees during cleaning and can be damaged by the use of some oven cleaning products.
900
Shower area must not be less then _______ sq in and _____ in circular, and _____________in high
900,30,70
In block construction, what is an angled crack along the motor block called?
A Step crack
What increases in its width along its path in a wall?
A V-crack
When a wall is curved vertically from top to bottom it is called:
A bow in a wall
What is a combination of a Sweep and Bow in a wall called?
A bulge
Water coming from a gutter downspout may be captured by:
A catch-basin or dry well
how do the two methods (Volume of water a tank can hold, and the size of the burner) of rating a water heater relate to each other?
A large burner means a high recovery rate, which allows a smaller tank to be installed.
Trash compactors are generally _______ noisy
A little
Briefly describe water hammer, and why it occurs.
A loud banging sound in the pipes. Water moving at several feet per second has to stop when a valve is turned off. Water bounces off the valve and creates a vacuum as it bounces away from the valve. The vacuum violently draws the water back to the valve where it bounces off again.
Angled cracks are often caused by:
A major difference in soil under the house
What is a pilaster?
A masonry column built against a wall to absorb horizontal load
A low wall running above the edge of a flat roof is called:
A parapet wall
Briefly describe a cross connection.
A piping arrangement in which waste can back up into the supply piping and contaminate it when the pressure drops on the supply side.
A depression or channel in the soil is:
A swale
When a wall has an outward horizontal curve from side to side, it is called:
A sweep in a wall
Describe the function of a trap
A trap prevents sewer gases from entering the house through the fixture drain outlet.
Describe the function of a trap:
A trap prevents sewer gases from entering the house through the fixture drain outlet.
Explain briefly what is meant by a wet vent
A wet vent occurs when the drain for one fixture is serving as the vent for another
What is Efflorescence?
A white mineral deposit left through a foundation wall after water passes through it
Typically, what is the exhaust pipe material for a fan assisted water heater
ABS or PVC piping
All branch circuits that supply 120 volt single phase 15 or 20 amp receptacles installed in family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms sunrooms recreation rooms, closets hallways and similar rooms or areas shall be _______________ protected.
AFCI
In a Piston pump the motor and piston is located _______ the well in shallow and _____ for deep wells.
Above, In
Before operating a microwave oven, what items of the microwave oven should you check first 1. Broken door hinges, seals and broken glass 2. Damaged case 3.Outlet not grounded 4. All of the above
All of the above
A Trash compactor will not operate the door is : 1. Open 2. The unit is not level 3. The latching mechanism on the door is not in place. 4. All the above
All the above
Inoperative doorbells are usually the result of: 1. Damaged buttons 2. Damaged chimes 3. Damaged wires 4. All the above
All the above
What is an automatic air vent
An automatic air vent is a spring loaded device which allow air to be drawn in when the waste piping is under negative pressure, but will close waste piping is under positive pressure so water can not leak out
If we only need a pressure relief valve because the water heater has some internal temperature control, where can the pressure relief valve be?
Anywhere on the tank, or on piping near the tank in some jurisdictions
AFCI=
Arc fault circuit interrupter
Gas fired bathroom heaters-
Are not normally operated for inspection
At what interval is vertical support required for copper piping?
At least every ten feet or every floor level
What is the minimum trap arm length?
At least two pipe diameters
Where is the burner located on gas- and oil-fired water heaters?
At the bottom of the tank
Where should the floor drain be located?
At the low point of the floor
A window that is hinges at the top and opens outward is a_________ window.
Awning
Why is an explosion with propane more likely than with natural gas?
Because propane is heavier than air, and can accumulate, especially in a low area
Why is water hammer more common in a house with cartridge faucets than with compression faucets?
Cartridge faucets can be opened and closed more quickly
A ________ window is hinged at the side to open outward.
Casement
On hydrotherapy tubs (AKA Jacuzzi ) damage can occur to ___________ _______________ if they are operated without water
Circulating pumps
All of the following are common drainage piping problems except? Missing or inaccessible cleanouts Pipe sizes that are reduced as you go downstream Clay tile piping buried in the soil combustible piping used in multi family building non standard piping material
Clay tile piping buried in soil
What can cause a toilet to sweat?
Cold supply water on a warm, humid day can cause the toilet tank and toilet fill pipe to sweat, particularly if it is not allowed to warm up because of a running toilet
Water running out of the burner compartment on start up of a gas water heater suggests?
Condensation in the combustion chamber is running down through the center of the water heater and draining out the bottom.
What is the implication of a cross connection?
Contamination of a potable water supply
Insulated grounded conductors of sizes No.6 and smaller may not be identified by the following method
Continuous black outer finish
What are two commonly used water service piping?
Copper, CPVC
What can be used to cover Step flashing?
Counter flashing
Whirlpool tub pump must be accessible and installed above the ___________ ____________ of the trap
Crown Weir
What does D,W,V stand for?
Dain piping, waste piping, vent piping
Wells more than 25' deep are called:
Deep wells
Two sashes that move is a __________ window.
Double-hung
What type of water heater has the slowest recovery rate?
Electric water heater
A running trap is a good idea because it provides extra protection? True or False?
False
Because there is a watertight liner underneath the tiles in a shower stall base, the floor is not required to slope to drain. True or False
False
Food waste disposals should be flushed with hot water? True or False
False
It's impossible for a trap to be too long? True or False
False
Nearly horizontal vent pipes should slope slightly down away from the trap they are protecting. True or False?
False
Plastic piping needs less support than copper piping because it tends to expand more. True or False?
False
Running toilets are less prone to sweating because the water in the tank is constantly replenished. True or False?
False
T/F: Trusses can be cut or removed.
False
Testing for loose wall hung basins is best done by putting all your weight on the basin. True or False?
False
The inspector shall not report as deficient an electric or gas oven heating element and thermostat sensing elements that are not properly supported. True or False
False
The vent diameter must be as large as the trap diameter? True or False?
False
The vent is typically located upstream of the trap? True or False?
False
When inspecting a microwave cooking center with a self cleaning oven if the oven is in the self clean mode the microwave should operate. True or False
False
A _________ window does not open or close
Fixed-pane
The chimney pulling away from the house can be a sign of:
Footings failing due to soil weakness
All 125 V single phase 15 or 20 amp receptacles located in the bathroom, garage, outdoors, crawlspaces, kitchen, unfinished basements, and any receptacle within 6 feet of a basin must be ___________ protected
GFCI
The most common roof type is:
Gable
A ____________ roof has a double slope on each side, commonly referred to as "barn shape"
Gambrel
for other then steel piping, exposed piping must be labeled _______ in black letters on a yellow ribbon not less then ________ feet intervals, except when piping is in the same room as the appliance its supplying.
Gas, 5
Describe a test used to determine if the toilet connection to the drain piping is loose.
Grasp the bowl between your legs and try to move the bowl side to side, and front to back.(do not use excessive force)
GFCI=
Ground Fault Circuit interrupter
Hydro therapy tubs and their associated electrical components must be served by a dedicated circuit which is protected by a ?
Ground fault circuit interruption device
A window hinged at the bottom and opens inward is a _______ window.
Hopper
Where do concrete block and masonry walls usually show cracks?
Horizontally along the mortar joint
When would a fan assisted gas water heater typically be used?
If the house has no chimney or a chimney too large for a water heater
How is cross connection prevented with a hose bibb?
Install a backflow prevention device
Common faucet problems include all of the following EXCEPT leaks stiff loose cross connection isolating valves
Isolating valve
What is the biggest impact of the single pass feature on a water heater?
It is constantly exposed to fresh water and so is more prone to corrosion than a boiler.
Why in a cold climate is the trap portion of the drainage system most vulnerable to freezing?
It is the only portion of the drainage system which always contains water
Why is PVC or ABS plastic piping usually allowed only in a single-family home?
It's combustible
A _______ window has narrow strips of glass where they move together, lifting from the bottom.
Jalousie
Explain briefly the problems with venting kitchen island sinks
Kitchen islands are not adjacent to walls, therefore the vent pipe is some distance from the island, often exceeding the maximum allowable distance between trap and vents
Wet spots at the front of the property that are otherwise unexplained suggest?
Leaking water service pipe
The most common problem with plumbing fixtures is?
Leaks
A waste pipe carries what type of waste?
Liquid
Explain briefly the simple test required to check the venting system when you test functional drainage from a fixture?
Listen for gurgling as the last bit of water leaves the drain and smell for sewer odors
Common toilet problems include all of the following except? Leaks Low water pressure loose Flush mechanism inoperative
Low water pressure
Gas stovetop burners with electronic ignition which fail to light consistently
May need adjustment to the gas regulator or ignition source
Plastic piping expands ____________ than copper piping, and needs __________ support than steel piping?
More, More
Grounding electrode conductor must connect to ____________ at the service
Neutral
Are fan-assisted water heaters condensing?
No
Are panels allowed in cloths closet or bathrooms? Yes or No
No
Are panels allowed to be located over steps on a stairway? Yes or No
No
Can polybutylene piping be used on a hot water recirculating loop?
No
Can the dishwasher and garbage disposal be on the same circuit? Yes or no
No
Is a vacuum necessary to have backflow at a cross connection?
No
Is it ok for a central furnace to have a cord and plug connection?
No
are electrical baseboard heaters allowed to be underneath a receptacle ? Yes or no
No
are gas pipes allowed in circulating or ventilating air ducts? Yes or No
No
are open bulb lights allowed in closets? yes or no
No
is NM (nonmetallic sheathed cable) ever suitable as flex cord or with plug? Yes or NO
No
Are inactive cracks in a wall that are 1/4" wide a sign of serious failure?
No.
The minimum size of conductors for feeders and branch circuit conductors shall be ________ copper
No.14
What type of water heater has the fastest recovery rate?
Oil fired
which type of water heater has the fastest recovery rate?
Oil fired water heater
Holes cut into Beams should be no more than ________ depth of the beam.
One-third
Which way should a hinged shower door open in a shower stall?
Outwards
What type of trap is allowed by most plumbing codes?
P-Trap
Types of Well pumps:
Piston pump (reciprocal) Jet pump (centrifugal) Submersible (centrifugal)
A______ window opens from a center hinge or pin.
Pivot
Why can plastic pipe not typically be used between units in shared dwellings?
Plastic pipes are a combustible material
Knob and tube wiring should be installed in a ______ when penetrating wood Porcelain tube Metal conduit Plastic conduit Any of the above
Porcelain tube
What are three things that go wrong with water supply?
Pressure or flow is insufficient, leaks and dirty water.
The purpose of the dishwasher discharge hose backflow prevention is to?
Prevent waste water from entering the dishwasher
What is it called when the roof load bearing on the rafters forces them outward?
Rafter spread
Automatic motorized garage door operators are required to
Reverse direction automatically if there is an obstruction in the path of a closing door Be at least 1/3 HP when used with 16 foot door
What are usually installed through parapet walls for drainage?
Scuppers
When inspecting the food waste disposer the unit should be?
Securely mounted
Vertical cracks are often caused by:
Settlement of the structure
A ______ is a wood shingle that is hand-split
Shake
Wells up to 25' deep are called:
Shallow wells
What is the function of a stop and waste valve?
Shuts off the water supply and allows the system plumbing to be drained.
Which of the following receptacle locations does not have to be gfci protected All kitchen counter receptacles Single gang receptacle dedicated installed in a garage for an appliance Where crawl space is at or below grade level Receptacles installed outdoors
Single gang receptacle dedicated installed in a garage for an appliance
A window where only the lower sash moves is a _________ window.
Single-hung
What is the implication of a trap arm that is too long?
Siphoning of the trap
What can a horizontal crack on the foundation wall be an indication of?
Soil pressure against the wall and/or water pushing against it.
A soil pipe carries what type of waste?
Solid and liquid
What is the crumbling of surface bricks, blocks or concrete called?
Spalling
"L-shaped" flashing:
Step flashing
Natural enemies to roofs:
Sun Rain Wind Trees Moss Snow and ice Time
Briefly describe a test to determine if the tiles in an enclosure are bonded well to the backer material
Tap or press on the tiles, looking for spongy areas or give in the tiles or tiles that sound loose or tinny.
What can window displacement in a basement be a sign of?
That the wall is moving
What is the component that introduces cold water near the bottom of a gas fired water heater tank?
The Dip tube
A receptacle installed with a cover labeled suitable for wet locations , dual equipment grounding with gfci protection installed at the point of installation may be installed in a bathtub or shower space.
The above statement is considered a false statement by this code.
why does it matter if the tub is slightly off level?
The apron is usually slopped slightly so that water will drain back into the tub, if the tub is not level water on the apron may drain away from the tub damaging walls or floors
Polybutylene piping failures seem to be concentrated most at?
The crimp ring
Shrinkage cracks are often caused by:
The curing process in a poured concrete wall
Service drop Definition
The overhead service conductors between the utility electric supply system and the service point.
Why are leaks more difficult to find in drain, waste, and vent systems than in supply systems?
The pipes are usually idle, and the water is not under pressure.
What is hydrostatic pressure?
The push of water against a surface
Explain why a toilet does not need a trap.
The toilet bowl itself is a trap.
Why are tile enclosures on exterior walls in cold climates more vulnerable than ones on interior walls?
The vapor barrier and insulation details are often poorly done, Condensation damage is common in this area, as warm house air leaks into the wall and vapor condenses in the cold exterior wall cavity
What are the functions of the three pipes connected to a sewage ejector pump?
The vent pipe vents sewer gases The discharge pipe handles the waste The drain pipe brings the waste into the pump
Pressure against a foundation wall can cause:
The wall to bow inward and crack horizontally
A water heater is termed a single pass appliance because?
The water heater does not use a recirculating system; it sees the water only once
what turns off the gas if there is a problem at a water heater and or gas furnace?
Thermocouple
How can you determine an Active crack?
They will have sharp edges and will break new paint
Why is a check valve necessary when a sewage ejector is connected to municipal sewers?
This protects the ejector tank and house fixtures that feed the tank from backup of the municipal sewer system
How is a mixing valve used to stop a toilet sweating?
This valve mixes hot water with the cold water at the toilet supply. there is less incentive for condensation since the warmer water used to fill the toilet wont cool the surrounding air to the dewpoint.
Walls are anchored through the soil using:
Tie-backs with an anchor post and a deadman cross piece
Briefly describe the purpose of a trap primer.
To ensure there is always water in a floor drain trap to prevent sewer odors entering the home.
What is the purpose of the venting system?
To equalize the pressure in the waste plumbing system so that the traps won't siphon.
What is the purpose of the sewer ejector pump?
To lift the waste from a toilet (and any other fixtures) below the public or private sewer line, up into the sewer. This type of pump is needed when waste cant flow by gravity to the sewer line
What is the purpose of a trap?
To prevent sewer odors from entering the home through plumbing fixtures
Explain the purpose of a backward valve?
To protect the home against sewer backup
What is the purpose of a baffle or turbulator on a gas fired water heater?
To slow down the exhaust products as they move up through the water heater
What is the purpose of a high level alarm with a sewage ejector?
To warn the occupants that the sewage ejector pump has failed
Cracking and uplift in drive/walkway can be caused by:
Tree roots
A garage door operator electrical outlet is required to be GFCI protected. True or False
True
A grounded conductor shall not be connected to normally non current carrying metal parts of equipment to equipment grounding conductors or be reconnected to ground on the load side of the service disconnecting means. True or False
True
A house with several different styles of crimp rings should be a cause for concern? True or False
True
A kitchen exhaust using a blower is more efficient then one using a fan. True or False
True
A unresponsive doorbell should be reported as deficient. True or False
True
Access shall be provided to all air admittance valves. the valve shall be located within a ventilated space that allows air to enter the valve. True or False
True
All above ground portion of a gas piping system other than ccst (corrugated stainless steel tubing) that is likely to be energized shall be electrically continuous and bonded to a effective ground fault circuit path. Gas piping shall be considered to be bonded where it is connected to appliances that are connected to the equipment grounding conductor of the circuit supplying that appliance. True or False
True
All bathroom exhaust fans must exhaust to outdoor locations. True or False
True
All gas appliances need to have a gas shut off valve readily accessible for each appliance. True or False
True
All vent pipes must be sloped to drain? true or false
True
Aside from the kitchen and bathroom, the wall switch controlling lighting can be a wall switch controlling an outlet. True or False
True
CCST gas piping systems shall be bonded to the electrical service grounding electrode circuit with no less then a 6 awg copper wire. true or false
True
Combo waste and vent system is ok for floor drains, sinks and lavatories. A combo of waste and vent system can not receive the waste of a garbage disposal. True or false
True
Copper tubing shall comply with standard type k and L of astm and shall not be used if the bas contains more then an average of .3 grains of hydrogen sulfide per 100 cubic feet of gas. True or False
True
Dishwashers need to have mounting tabs that are well secured to the underside of the countertop. True or False
True
Dryer exhaust duct terminations shall be equipped with a backdraft damper. True or False
True
Dryer vent pipe joint configuration is direction for flow with male ends feeding into female ends and joints sealed. True or False
True
Evaluating the quality of the water available at a private source is beyond the scope of a standard home inspection? True or False
True
Every trap should be provided with some method of removal or cleaning. True or False?
True
For paddle/ceiling fans, if the electrical box is used to support it the box needs to say that it can support fan up to 70 LBS. Fans over 70 lbs will require independent support. True or False
True
Gas and oil-fired water heaters are not allowed in sleeping areas. True or False?
True
Hose bibbs subject to freezing including the frostproof type shall be equipped with an accessible stop and waste type valve inside the building so that they can be controlled and drained during cold periods. True or False
True
If part of a basement is converted to a habitable space remaining unfinished basement requires minimum one receptacle at the front and rear with a max height of 6'6. True or false
True
If the manufactures instructions do not specify a termination location, the dryers exhaust duct shall terminate not less then 3 feet in any direction from opening into the building. True or False
True
In a ductless kitchen exhaust system, the charcoal filter must be in place? True or false
True
In a whole home vacuum system, each accessible outlet in every room must be tested with the vacuum hose. True or False
True
In concealed locations pipes other then cast iron or galvanized steel passing through studs joists rafters ect. less then 1 1/2 in from the nearest edge shall be protected with steel plates. True or false
True
Island fixture venting shall not be permitted for fixtures other then sinks and lavatories. True or false
True
Microwave ovens shall conform to UL 923. True or False
True
Multiwire circuits require a handle tie or a single handle. True or False
True
No unions or bushings are allowed to be in a concealed space. True or False
True
On high gas cooktops should have a blue flame that is 3/4 inch high. True or False
True
Pipe size should always increase as you move downstream and more fixtures join in. True or False?
True
Plastic DWV above roof protected with latex paint. True or False
True
Polybutylene supply piping should not be closer than 18 inches to a water heater. True or False?
True
Service conductors supplying a building or structure shall not pass through the interior of another building or structure. True or False
True
Service disconnect will be permanently marked as a service disconnect. True or False
True
Sewer ejector pumps should not vibrate significantly when running? True or False?
True
Single wall ducts serving range hoods shall be constructed of galvanized steel, stainless steel or copper. True or False
True
Surface cracking in an acrylic kitchen sink is not usually a concern because there is no leakage. True or False?
True
T/F: Adhered veneers are known to be a problematic wall covering.
True
T/F: Holes should not be cut into top or bottom 2" of beam
True
T/F: Sump pumps have a relatively short lifetime.
True
The Neutral/grounding bar shall be bonded inside the service equipment. True or False
True
The central furnace is required to be on its own individual circuit? True or False
True
The circulation pump (whirlpool pump) shall be accessible above the crown weir of the trap. True or False
True
The disconnect for central air unit must be within sight of motor? True or False
True
The disconnect for the condenser is required to be in sight and less the 50 feet away. True or False
True
The function of a compactor is to reduce the volume of whats put in it. True or False
True
The inspector shall report as deficient a range exhaust vent pipe that is of inadequate material. True or False
True
The inspector shall report as deficient any water leaks in a dishwasher. True or False
True
The installation of a listed and labeled cooking appliance or microwave oven over a listed and labeled cooking appliance shall conform to the terms of the upper appliances listing and label and the manufactures installation instructions. True or False
True
The minimum required air gap shall be twice the diameter of the effective opening of the outlet. True or False.
True
The usual inspection technique for a trash compactor is to check for excess vibration security of mounting and overall condition. True or False
True
To test the anti tip provision is functioning on a range, grasp and pull the sides of the oven/range cabinet. True or False
True
Vent openings can not be below the weir of a trap except for a toilet. True or false
True
Vertical pipes at ends of runs are one method of preventing water hammer? True or False
True
When the doorbell is operated, the transformer draws current from the main electrical system and transforms it into low voltage. True or False
True
acceptable gas piping material includes galvanized and black steel, yellow brass and ccst. True or false
True
accessible full bore shutoff required at house, gate/ball valves required for mains and water heater. True or false
True
all joints between fixtures and walls or floors need to be sealed? True or False
True
any receptacle equal to or less then 20 feet from pool wall must be gfci protected. True or False
True
central heating equipment shall be supplied by an individual branch circuit. True or False
True
every meter shall be equipped with a shutoff valve located on the supply side of the meter and be located outdoors. True of False
True
it is required to have a lockable or insight breaker for a water heater and baseboard heater. True or False
True
no receptacles are permitted inside or directly above a shower space. True or False
True
pool shell, metal equipment for pumps, pool covers, underwater light forming shelf and all metal that are less than or equal to 5 feet from pool are required to be bonded with a minimum 8 awg coper wire. True or false
True
sillcocks, hose bibbs, wall hydrants and other openings with a hose connection shall be protected by atmospheric type or pressure type vacuum breaker or a permanently attached hose connection vacuum breaker. True or False
True
Pipes passing through a foundation wall require a relieving arch or a pipe sleeve? true or false
True ( pipe sleeve must be two sizes greater then the pipe passing through the foundation.)
What is it called when the bottom chord of a roof truss bows upward during cold months and back to normal in warm months?
Truss uplift
Gas Appliance vents are called:
Type B vents
Oil appliance vents are called:
Type L vents
A water heater inspection includes checking for all of the following except 1. pressure relief valve 2. A fullway valve 3. Vacuum breaker installation 4. Minimum clearance above garage floor of 18 in to source of ignition
Vacuum breaker installation
Describe in one sentence a stop and waste valve.
Valve shuts off water, drain cock drains water from pipe
Types of Foundation Cracks:
Vertical Angled Horizontal Shrinkage
Plumbing fixtures, other then _________ ___________ shall be provided with strainers
Water closet
A constantly running pump can be a sign that the pump is:
Waterlogged
What is Racking of the house?
When the house leans in such a way that the angle it forms is no longer 90 degrees
Proper inspection of the ram plate in a trash compactor :
Will cause a rolled up newspaper stood on end to be crushed.
How is a cross connection possible with a hose bibb?
With no backflow prevention device, outside water could be sucked into the plumbing system if the hose is attached and supply pressure drops below the atmospheric pressure
Do all appliances need to have a means of disconnect? Yes or NO
Yes
Does a toilet bowl need a vent?
Yes
Does a waste disposer need to be grounded? Yes or NO
Yes
Drip loop must be below the weatherhead? Yes or no
Yes
Is a fixture trap or a fixture with integral trap readily removable without disturbing concealed piping be an acceptable replacement for a cleanout?
Yes
There must be a lighting outlet switch at the entry to an equipment space? yes or no
Yes
Are cracks over 3/8" wide in a wall a sign of a serious problem?
Yes, potentially
Outlet definition
a point of the wiring system in which current is taken to supply utilization equipment
a service conductors overhead clearance must be ? 1.10 ft min above walking space 2.12 ft above residential property and driveways 3. 18 ft above public streets, alleys, or parking areas 4. all of the above
all of the above
all branch circuits that supply 125 V single phase 15 or 20 ampere outlets installed in dwelling unit ___________ shall be protected by and AFCI
bedroom
soil pipes
carry liquid and solid waste from a toilet
What is the implication of poor manifolding?
clogging of pipes
Access to water heaters located in an attic or underfloor crawl space is permitted to be through a _________ located in a sleeping room or bathroom where ventilation of those spaces is in accordance with code.
closet
A waste pipe is intended to carry solids only. True or false
false
Where does the probe for the temperature/pressure relief valve sit in the tank?
in the top 6 inches of the tank
What is the implication of improper support on piping?
leakage
Water heaters located in a bedroom or bathroom shall be installed in a sealed enclosure so that combustion air will not be taken from the __________ space
living
Each ________ requires individual terminal
neutral
Is gas piping ok to ground electrode in earth? yes or no
no
Is the meter base alone considered service equipment? yes or no
no
can the trap be longer then the arm?
no
ungrounded definition
not connected to ground or to a conductive body that extends the ground connection
All modern food waste disposers are?
of the continuous feed or batch feed type
Dryer vents must terminate ______ and must be a minimum of _____ feet of property line
outdoors, 3
a 8 AWG grounding conductor requires protection in _______
raceway
Exhaust flues on gas or oil fired water heaters
should slop upward away from the heater at 1/4 inch per foot.
Hose connections that are subject to freezing should have a _______-___-______.
stop-and-waste
Ufer=20 foot #4 rebar. True or false
true
Where outlets are installed in damp and wet locations such as a carport, the receptacles must be___________ __________ and require a _________ cover
weather resistant, weatherproof
Do breaker and fuse labeling on panel must distinguish their use from all other circuits ? yes or no
yes
Does a copper pipe rust?
yes
Does a toilet need to have a shutoff valve on the supply line?
yes
is schedule 80 pvc ok to use as protection from physical dame on cables? Yes or no
yes
are water and sewer pipes allowed to be in the same trench?
yes (provided the sewer pipe is listed as ok for underground use otherwise the two pipes must be separated by a minimum of 5 feet)
