200 HR Electrical
______ amps are required for electrocution to occur.
1 amp
The following conductors are permitted to be installed in the service raceway or service cable: Exception: e3601.4
1. Grounding conductors 2. Bonding jumpers 3. Load management control conductors
Electrical panelboards and overcurrent devices shall not be located in the following locations:
1. clothes closets 2. bathrooms 3. over the steps of stairway
Above ground service entrance cables where subject to physical damage shall be protected by one of the following:
1. rigid metal conduit 2. intermediate metal conduit 3. Sch. 80 PVC conduit 4. electrical metallic tubing
The minimum number of branch circuits shall be determined from the following:
1. total calculated load 2. size or rating of the circuits used.
Recessed lighting not IC rated shall have all recessed parts _______ inch(s) from combustible material.
1/2 in.
Steel reinforcing bars or rods not less than _____ inches in diameter, installed in one continuous ______ foot length encased in concrete shall be considered a grounding electrode.
1/2 in. 20 ft.
Where metallic plugs or plates are used with nonmetallic enclosures they shall be recessed at least _______ inch from the outer surface of the enclosure.
1/4 in.
Where nonmetallic-sheathed cable is used, the cable assembly, including the sheath, shall extend into the box not less than _____ inch through a nonmetallic sheathed cable knockout opening.
1/4 in.
Cords that supply swimming pool equipment shall have a copper equipment grounding conductor not smaller than _____ gauge.
12 AWG
Over residential property and driveways, service-drop conductors shall have __________ feet minimum clearance above final grade.
12 ft.
Minimum size circuit conductor for 15 amp rated branch circuit is ______ gauge.
14 AWG
Grounding electrodes of pipe or conduit shall not be smaller than trade size ____ and where of iron or steel shall have the outer surface galvanized or coated for corrosion protection.
3/4
A _______ ampere branch circuit shall be permitted to supply fixed utilization equipment.
30
Ground rings shall be in direct contact with the earth at a depth of not less than ______ inches from the earths surface and consisting of at least ____ feet of bare copper conductor not smaller than _____ gauge.
30 in. 20 ft. 2 AWG
At least one receptacle outlet in bathrooms is required to be within ________ inches of each lavatory basin.
36 in.
A _______ gauge or larger conductor shall be protected where expose to physical damage.
4 AWG
All metal less than ______ feet from pool shall be bonded.
5 ft.
Receptacles for appliance like the washer shall be located within ____ feet of the appliance location.
6 ft.
Receptacles shall be installed so that no point along the floor line in any wall space is more than _________ feet, measured horizontally, from an outlet in that space.
6 ft.
The maximum cord length for a 240v A/C window unit is ____ feet.
6 ft.
The space equal to the width and depth of the panelboard and extending from the floor to a height of _____ feet above the panelboard or to the structural ceiling shall be dedicated to the electrical installation.
6 ft.
A minimum of one 15 or 20 amp receptacle shall be located a minimum of ______ feet and a max of _____ feet of indoor spas/hot tubs.
6 ft. 10 ft.
Switches shall not be more than _________________ feet _________________ inches above the floor or working platform when the switch is in its highest position.
6 ft. 7 in.
___________________ ceilings with removable panels shall be permitted within the 6 foot dedicated space. Exception: Dedicated panel board space
Suspended
Connected to establish electrical continuity and conductivity. (definition)
bonded
Metal enclosures of conductors, devices and equipment shall be connected to the _______________________________.
equipment grounding conductor
Receptacles installed on 15 and 20 ampere rated branch circuits shall be of the ___________________ type.
grounding
Ceiling suspended paddle fans shall be supported ______________ of the outlet box.
independently
A _______________ shall be installed at each conductor splice point.
junction box
A minimum of ________ amp branch circuit shall be provided to supply the bathroom receptacle outlet(s). Such circuits shall have no other outlets.
one 20-amp
A minimum of _____ 20 ampere rated branch circuits shall be provided to serve all wall and floor receptacle outlets located in the kitchen, pantry, breakfast area and dining area.
two
Underground service conductors not encased in concrete and buried 18 inches below ground shall have their location identified by __________________.
warning ribbon
Underground service laterals that are not encased in concrete and that are buried 18 inches or more below grade shall have their location identified by a ________________ _____________.
warning ribbon
Where raceways are installed in wet locations above grade, the interior of such raceways shall be considered to be a ______ location.
wet
In no case shall the point of attachment for service drop conductors be less than _______ feet above finish grade.
10 ft.
Interior metal water piping located more than ____ feet from the entrance of the building shall NOT be used as part of the grounding electrode system.
5 ft.
Rod-type grounding electrodes of stainless steel and copper or zinc coated steel shall be at least ______ inch in diameter.
5/8 in.
Grounding electrodes made of steel shall be a minimum of ______ inches in diameter and grounding electrodes made of copper shall be a minimum of _______ inches in diameter.
5/8 in. 1/2 in.
A disconnect for an air conditioner condensing unit should be located within sight, and no more than _______ feet away from it.
50 ft.
The ______ shall not be considered as an effective ground-fault current path.
earth
The markings for identification of disconnecting means shall have the durability to withstand the _________________________ involved.
environment
Service disconnecting means shall be installed at a readily accessible location either ____________________or inside nearest the ____________ of the service conductors.
outside point of entrance
Circuits with __________________ conductors shall be permitted to terminate on a single terminal where the terminal is identified for connection of more than one conductor.
parallel
Mechanical appliances installed in attics shall have a luminaire controlled by a switch located at the required ________________________ and a receptacle outlet provided at or near the appliance location.
passageway opening
Knob & tube wiring should be installed in a _________ tube when penetrating wood.
porcelain
Minimum size circuit conductor for 30 amp rated branch circuit is ______ gauge.
10 AWG
A metal underground water pipe that is in direct contact with the earth for _____ feet or more shall be considered a grounding electrode.
10 ft.
The maximum cord length for a 120v A/C window unit is _______ feet.
10 ft.
Equipment intended to interrupt current at fault levels shall have a minimum interrupting rating of ____________ amperes.
10,000
For one-family dwellings, the ampacity of the ungrounded conductors shall be not less than ____________ amperes, ______ wire.
100 3
Minimum size circuit conductor for 20 amp rated branch circuit is _____ AWG.
12
In clothes closets, surface mounted incandescent luminaries shall have ______ inches clearance from the nearest point of storage space.
12 in.
Warning ribbon shall be a minimum of _____ inches above the underground installation.
12 in.
Service entrance cables shall be supported by straps or other approved means within _____ inches of every service head, gooseneck or connection to a raceway or enclosure and at intervals not exceeding ____ inches.
12 in. 30 in.
NM wire (Romex) must be stapled _______ inches from the wall outlet and then every _______ feet.
12 in. 4 1/2 ft.
Electrical services within the scope of the IRC are limited to ____________-volt, 0-to _______________ - ampere, single-phase systems.
120/240 400
Branch circuit conductors supplying a single motor shall have an ampacity not less than ______ percent of the motor full load current rating.
125%
Where a branch circuit or a feeder supplies a continuous load, it shall have an ampacity of ______________ percent of the continuous load.
125%
GFCI protected hot tubs/spas shall be permitted to be cord & plug connected, provided the cord does not exceed _____ feet in length.
15 ft.
A _______ or _______ ampere branch circuit shall be permitted to supply lighting units or other utilization equipment
15 or 20
The minimum cord length on a range hood is ______ inches, the maximum is _______ inches.
18 in. 36 in.
Flexible cords for kitchen waste disposals shall be _____ inches minimum and _____ inches maximum length.
18in. 36in.
Metallic components used as a grounding electrode shall be encased by at least _____ inches of concrete and shall be located horizontally within a portion of a concrete foundation or footing that is in direct contact with the earth.
2 in.
In calculating box fill each No. 12 AWG conductor shall require ________ cubic inches free space within the box.
2.25 cu in.
A minimum of one ____________-ampere-rated branch circuit shall be provided for receptacles located in the laundry area and shall serve only receptacle outlets in the laundry area.
20
Multi-outlet branch circuits serving lighting or receptacles shall be limited to a maximum branch circuit rating of _____ amperes.
20
Kitchen countertop receptacles shall be installed so that no point along the wall line is more than _______ inches from the receptacles.
24 in.
Receptacle outlets in kitchens shall be installed so that no point along the wall line is more than ______ inches.
24 in.
Where impracticable to locate the service head or gooseneck above the point of attachment, the service head or gooseneck location shall be not more than _____ inches from the point of attachment. Exception: e3605.9.3
24 in.
10 gauge aluminum wiring is rated at _____ amps.
25 amps
Conduit shall be clamped within _______ feet of the service box.
3 ft.
Flexible cords for pools/hot tubs/spas shall not exceed _____ feet in length.
3 ft.
An 8 foot roof clearance shall be maintained for a distance of ______ feet if the roof slope is less than ________.
3 ft. 4/12
Hanging luminaries, lighting tracks and pendants shall be located a minimum of _____ feet horizontally and ______ feet vertically from the top of of a bathtub rim or shower stall threshold.
3 ft. 8 ft.
A bare copper conductor not smaller than _____ gage and encased in concrete shall be considered a grounding electrode.
4 AWG
The minimum distance for a junction box from a swimming pool is ______ feet.
4 ft.
Bends for type NM and SE cable shall be made so that the inner curve radius shall not be less than ______ times the diameter of the cable.
5
Type NM or SE cable running along the bottom of joists in unfinished basements containing two or more conductors _____ AWG or larger and assemblies containing three or more conductors size ____ AWG do not require additional protection.
6 8
Ground electrode conductor ______ gauge in size shall be in rigid metal conduit.
6 AWG or smaller
Attics that are not provided with permanent stairs or ladders cable protection shall only be required within ______ ft. of the nearest edge of the attic access.
6 ft
Overcurrent devices shall be installed so that the center of the grip of the operating handle of the switch or circuit breaker, when in its highest position is not more than _________ above the floor or working platform.
6 ft 7 in.
All 125-volt, single phase 20 amp receptacles shall be provided with GFCI protection where located within _____ feet of the outside edge of a laundry sink.
6 ft.
The working space shall be clear and unobstructed from the floor to a height of ______ feet or the height of the equipment, whichever is greater. Figure 3405.1
6.5 ft.
Ungrounded conductors for other than dwelling units shall have an ampacity of not less than _____ amperes.
60
A luminaire that weighs more than _____ pounds or exceeds _______ inches in any dimension shall not be supported by the screw shell of a lampholder.
6lbs 16 in.
Cable guard strips shall be provided in accessible attics/ roof spaces where cable runs across the top of floor joists or run within _____ ft. of floor or joists.
7 ft
Conductors shall have a minimum vertical clearance of _____ feet above the roof surface.
8 ft.
Rod and pipe electrodes shall not be less than ____ feet in length.
8 ft.
Rod and pipe electrodes shall be driven to a depth of not less than _____ feet. Electrodes shall be driven at an oblique angle not to exceed ______ degrees from the vertical or shall be buried in a trench that is at least ______ inches deep.
8 ft. 45 degrees 30 in.
The rating of any one cord and plug connected utilization equipment shall not exceed _______ percent of the branch circuit ampere rating.
80%
Conductors in NM cable assemblies shall be rated at _________ degrees celcius.
90
All mechanical elements used to terminate a grounding electrode conductor or bonding jumper to the grounding electrodes shall be _________________.
accessible
Panelboards and overcurrent protection devices shall not be located in _______________, ________________ or __________________.
clothes closet bathroom stairway
Bonding shall be provided where necessary to ensure electrical _______________.
continuity
Branch circuit ratings for space-heating and water heating appliances shall be considered _______________ loads.
continuous
Service disconnects shall be permanently marked as a ___________________.
service disconnect
Service disconnecting means shall consists of not more than _____ switches or circuit breakers mounted in a single enclosure or in a group of separate enclosures.
six
There shall be a wall switch at each floor to control stairway lighting where the stairway has _____ or more risers.
six
Cable exposed to direct rays of the sun shall be covered with an insulating material and listed and marked as "________________________________"
sunlight resistant
