ELC 113 FINAL
What depth dimension is required in a 4" square box containing 9 number 12 stranded conductors?
1 1/2 inches
A [___] " thick nail plate must be used to protect cables when they are installed less than [___________]" from the edge of a joist or stud.
1/16, 1.25
The Building Code does not allow you to bore a hole in the center [___________] of a load bearing joist nor with-in [____] inches of the edge
1/3, 2
In walls constructed of noncombustible materials you are allowed to have a box set back in the wall no more than [__________] of an inch and gaps around the box cannot exceed [______] of an inch
1/4, 1/8
A receptacle is required in any hall _________ feet or longer in length.
10
A receptacle is required in any habitable room, along any continuous wall space, every ____________ feet.
12
On a kitchen counter, a receptacle is required in any space greater than __________ inches wide.
12
A gangeable box 3 3/4" x 2 x 2 ½" has a volume capacity of how many cubic inches
14.0 in³
5. What size cu.in. box is required in order to install 2 12/2 Romex cables and a receptacle.
15.75 in³
The small appliance circuits are assigned a load value of ________________ VA each when calculating service-entrance requirements.
1500
Floor mounted receptacles are to be installed with-in _________ inches of the wall if they are to be considered as the required outlet for that space.
18
A house has 1200 square feet of heated space. How many 15 amp general lighting circuits are required?
2
When installing a multiwire branch circuit, a means must be provided to simultaneously disconnect all of the hot conductors at the panelboard where the circuit originates. This means it is normally a(n) ____________________ with fuses, a 2-pole circuit breaker, or two single-pole circuit breakers with a listed ____________________.
2-pole breaker, handle tie
A receptacle is required in any habitable room on any wall space greater than ________ inches.
24
A receptacle is required in any habitable room on any wall space [_____________] inches or greater in width and with-in [___] feet of a doorway or opening. Wall receptacles are to be placed no more than [_______] feet apart
24, 6, 12
In a location where there is heating or air conditioning equipment , a receptacle is to be installed with-in [____] feet of the equipment on the same [___________] .
25, level
On a kitchen counter, receptacles are to be spaced no more than _________ feet apart.
4
How many cubic inches must you allow for a receptacle being installed in a box containing #14 conductors?
4 cubic inches
3. How many cubic inches must you deduct for a receptacle being installed in a box containing # 12 conductors?
4 ½ in³
10. A switch box contains three 3-way switches on three yokes, 2 # 14/2 Romex cables, 3 # 14/3 Romex cables and intergal clamps. What is the minimum volume required in the box?
42 in³
What depth dimension is required in a 4 11/16" square box containing 15 number 12 conductors?
42.0 in³
How many # 12 conductors are you allowed to put in a 4" round box 1 1/2" deep?
6
When passing through a floor, a NM cable is to be protected up to ________inches above the floor.
6
The NEC requires a minimum of [__________] inches of conductor in a box and at least [_____] inches shall extend past the front of the box.
6, 3
The ampacity of the conductors in type UF cable shall be based on that of a _______________ ºC conductor
60
The ampacity of the conductors in nonmetallic-sheathed cable is based on that of ____ conductors.
60°C (140°F)
8. How many # 14 conductors are you allowed to put in a 4" round box 1 1/2" deep?
7
What is the allowable ampacity of a number 4 THHN copper conductor terminating on a 75 degree lug ?
85 amps
The conductors in NM-B cable are rated at [_______]ºC but their ampacity rating shall be that of [_____]ºC conductors.
90, 60
Laundry Areas (GFCI LOCATON)
At least one receptacle outlet shall be installed in areas designated for the installation of laundry equipment.
Crawl Spaces (GFCI LOCATON)
At or below grade level
What kitchen appliance is required to be GFCI protected?
The dishwasher and disposal
An individual branch circuit can supply any size load for which it is rated.
True
Connectors/terminations not marked AL or AL/CU are for use with copper conductors only.
True
Bathtubs or Shower Stalls (GFCI LOCATON)
Where receptacles are installed within 6 ft of the outside edge of the bathtub or shower stall
Kitchens (GFCI LOCATON)
Where the receptacles are installed to serve the countertop surfaces.
Sinks (GFCI LOCATON)
Where the receptacles are installed within 6 ft from the top inside edge of the bowl of the sink.
What are "gangeable" metal boxes?
boxes that can be put together
A _____________ ______________ is the circuit conductors between the final over current protection device and the outlets.
branch circuit
The dining room circuit is allowed to supply the outside receptacles.
false
Basements (GFCI LOCATON)
in each separate unfinished portion of a basement.
Older texts used the term "MCM," which means the same thing as ____.
kcmil
When a luminaire is connected to the conductors, the outlet is referred to as a ____ outlet.
lighting
The NEC defines a kitchen as an area with a sink and ____ provisions for food preparation and cooking.
permanent
As defined in Article 100, a dwelling unit has the following feature(s):
permanent provisions for living, sleeping, cooking, and sanitation
NEC 210.11(B) requires that load be evenly proportioned among the different circuits in a panelboard. This is normally performed at the load center panelboard by connecting branch-circuit wiring so that the connected load on the two ____________________ is as equal as possible.
phases
In a dwelling, a water heater is considered a continuous load.
true
Split-wired duplex receptacles, where only one ½ of it is switched, do meet the spacing requirements required by the NEC.
true
The circuit supplying the washing machine can be used to supply other receptacles in the laundry room/area
true
A box contains 4 #14/2 Romex cables. How many cubic inches must you allow for the grounds?
2
On a kitchen counter, a receptacle is to be installed within ________ feet of the end of a counter or other broken space.
2
The code requires _________ (quantity) receptacles to be installed outdoors.
2
When fire stopping material is used where more than ____________________ nonmetallic sheathed-cables pass through wood framing members, their ampacities must be adjusted, according to 310.15 (C)(1).
2
2. What depth dimension is required in a 4" square box containing 13 number 14 conductors?
2 1/8 in³
1. How much free space is required in a box for a number 12 solid conductor? 2.25 in³
2.25 in³
4. A box contains 3 # 12/2 Romex cables. How many cubic inches do you allow for the grounds?
2.25 in³
How much free space is required in a box for a number 12 stranded conductor?
2.25 in³
How much volume must you allow in a box for a number 10 conductor? __________ cu.in
2.50
How much free space within a box is required for a number 10 solid conductor?
2.50 cubic inches
A box contains 3 # 10/2 Romex cables. How many cubic inches do you allow for the grounds?
2.50 in³
How many cubic inches must you deduct for a receptacle being installed in a box containing # 10 conductors?
2.50 in³
How much free space is required in a box for a number 10 solid conductor?
2.50 in³
What volume is required in order to install 3- 12/2 Romex cables and a receptacle?
20.25 in³
9. A gangeable box 3 3/4" x 2 x 3 ½" has a volume capacity of how many cubic inches?
21 in³
What size box is required in order to install 3 -12/2 Romex cables and a receptacle?
22 cubic inches
A receptacle is to be installed with-in ________________ feet of equipment requiring servicing such as an air conditioning compressor.
25
In a residence, the minimum number of lighting branch circuits required is based on _______ VA per square ft.
3
Hanging light fixtures must be kept at least ____________________ feet horizontally and ____________________ feet vertically from the edge of the tub rim.
3, 8
A 4"x4"x2 1/8" box has a raised cover with 4 1/2" cubic inches marked on it. How many #10 conductors are allowed in the box?
30 cubic inches
What is the cubic inch volume required for a box containing 2 # 14/2 cables connected to a switch , 2 #12/2 cables connected to a receptacle and two cable clamps?
30 cubic inches
What is the cubic volume required for a box ,with clamps, containing 2 # 14/2 NM, 1 # 14/3 cables connecting to 2 switches and 1 # 12/2 NM cable connecting to a receptacle?
35.5 in³
In a bathroom, a receptacle is required to be installed on an adjacent wall with-in ____________ inches of the _______________ .
36, sink
In the living room, how high above finished floor are the switches to be located ? [___________] inches, and The receptacles? [________] inches.
46, 12
A switch box contains three 3-way switches on three yokes, 2 # 12/2 Romex cables, 3 # 12/3 Romex cables and intergal clamps. What is the minimum volume required in the box?
47.25 in³
A 4"x4"x 1 1/2" box has a plaster ring installed that has 3 cubic inches stamped in it. How many # 10 conductors can you put in if it already has 4 # 12 conductors in it?
6
A receptacle is required in any habitable room with-in ________ feet of a doorway , opening or anything that breaks up the wall space.
6
A wall-mounted lighting fixture, weighing not over _________ pounds, may be supported by a device box with 6/32 screws.
6
Lengths of flexible metal conduit longer than ____________________ feet are not acceptable as an equipment grounding conductor. In such cases a separate bonding jumper is required to run outside of the flexible conduit to maintain the continuity of the grounding path.
6
Foyers, not part of a hall, that have an area greater than [________] sq.ft. shall have a receptacle installed on any wall space greater than [______] feet in width.
60, 3
How many number 14 stranded conductors are allowed in a 3 x 2 x 2 3/4" device box ?
7
7. A 4"x4"x 1 1/2" box has a plaster ring installed that has 3 cubic inches stamped in it. How many # 12 conductors can you put in if it already has 4 # 14 conductors in it?
7 #12 conductors
Cord and plug connected equipment cannot exceed [_____] % of the branch circuit rating and equipment fastened in place cannot exceed [_______] % of the branch circuit rating if the circuit also supplies lighting and/or receptacle loads.
80, 50
In order that the connections inside an outlet box remain accessible, the NEC requires that a surface extension from an outlet box cover be made using
Flexible Metal Conduit
The rating of the _______________________ device determines the rating of the branch circuit.
OCPD
The refrigerator is allowed to be put on its own 15 amp circuit.
True
All measurements in the National Electrical Code are shown in which system(s) of units?
both inch-pound and metric values
The NEC requires that a(n) ____ be installed at each conductor splice connection point.
box or conduit body
Conduit or tubing used to protect NM cable installed on a wall in an unfinished basement must be provided with a suitable insulating _______________________ or ________________________at the point the cable enters the raceway.
bushing or adapter
The NEC requires receptacles to be mounted with the ground up
false
The dishwasher is allowed to be wired to the small appliance circuit since it's an appliance.
false
Type NMC overall jacket covering shall be ___________________ retardant and __________________, _______________________, _________________________ resistant.
flame, moister, fungus, corrosion
A lighting fixture must be installed at every exterior entrance with _______________ ___________________ access.
grade-level
Because of the dangers associated with the open neutral (grounded conductor), NEC 300.13(B) does not permit the continuity of the ____ conductor in a multiwire circuit to depend on a receptacle.
grounded (neutral)
Garages (GFCI LOCATON)
in each attached garage and in each detached garage with electric power, at least one receptacle outlet shall be installed in each vehicle bay and not more than (5 ½ ft) above the floor.
GFCI protection is not required for ____.
receptacle installed behind a range or refrigerator
The volume afforded by a raised cover can be used when calculating box fill requirements when it meets what condition?
stamped on the cover
Balconies, Decks, and Porches (GFCI LOCATON)
that are within (4 in.) horizontally of the dwelling unit shall have at least one receptacle outlet accessible from the balcony, deck, or porch.
In an unfinished basement, a NM cable with [_______] or more number 8 conductors is allowed to be secured to the lower edge of the joists above. Smaller cables are to be run through bored holes or on [______________________] boards.
three, running
The receptacle for the refrigerator can be supplied by a 15 or 20 amp circuit rather than using one of the small appliance circuits.
true
In order for the volume provided by a plaster ring to be used when calculating box fill, what must be indicated on the plaster ring?
volume in cubic inches must be marked on the plaster ring
