Article 210 NEC
Multioutlet circuits rated 15 or 20A can supply fixed appliances (utilization equipment fastened in place) as long as the fixed appliances do not exceed _____ percent of the circuit rating.
50
If a 20A branch circuit supplies multiple 125V receptacles, the receptacles must be an ampere rating of no less that _____ amperes.
15
There shall be a minimum of one ____ amperes branch circuit for the laundry outlet(s) in a dwelling unit.
20
All 125V, single-phase, 15 and 30A receptacles installed in crawl spaces at or below grade level and in _____ of dwelling units shall have GFCI protection for personnel.
unfinished basement
In a dwelling unit. illumination on the exterior side of outdoor entrances or exits that have grade-level access can be controlled by _____.
home automation devices motion sensors photocells
A dedicated 20A circuit is permitted to supply power to a dwelling unit bathroom for receptacle outlet(s) and other equipment within the same bathroom
true
The small-appliance branch circuits can supply the _____ as well as the kitchen.
dinning room refrigerator breakfast room
In _____ rooms other than kitchens and bathrooms of dwelling units, one or more receptacles controlled by a wall switch shall be permitted in lieu of lighting outlets.
habitable
Where a lighting outlet(s) is installed for interior stairways, there must be a wall switch at each floor landing that includes an entryway where the stairway between floor levels has four risers or more
false
In a dwelling unit, each wall space of _____ ft or wider requires a receptacle.
2
Kitchen and dining room-countertop receptacle outlets in dwelling units must be installed above the countertop surface, and not more than _____ in. above the countertop.
20
The maximum distance required receptacle for a dwelling unit countertop surface can be above a dwelling unit kitchen counter surface is _____ in
20
A branch-circuit voltage that exceeds 277 volts to ground and does not exceed 600V between conductors is used to wire the auxiliary equipment of electrical discharge lamps mounted on poles. The minimum height of these luminaires shall not be less than _____ ft.
22
A receptacle outlet shall be installed at each wall counter space that is 12 in. or wider, so that no point along the wall line is more than _____ in., measured horizontally from a receptacle outlet in that space.
24
One receptacle outlet shall be installed at each island or peninsular countertop having a long dimension of _____ in. or greater and short dimension of _____ in. or greater.
24,12
A 125V, single-phase, 15A or 20A rated receptacle outlet shall be installed at an accessible location for the servicing of heating, air-conditioning, and refrigeration equipment. The receptacle shall be located on the same level and within _____ of the heating, air-conditioning, and refrigeration equipment.
25 ft
The recommended maximum total voltage drop on both the feeder and branch circuit conductors is _____ percent.
5
A receptacle outlet for the laundry is not required in a dwelling unit in a multifamily building when laundry facilities are provided on the premises that are available to all building occupants.
True
Branch-circuit conductors that supply a continuous load shall have an ampacity of not less than 125 percent of the continuous load, plus 100 percent of the noncontinuous load.
True
Where more than one nominal voltage system exists in a building, each ungrounded conductor of a multiwire branch circuit, where accessible, shall be identified by phase and system. The identification can be _____ permanently posted at each branch-circuit panelboard.
color-coding phase tape tagging
A 15 or 20A, single-phase, 125V receptacle outlet must be located within 25 ft. of heating, air-conditioning, and refrigeration equipment for _____ occupancies.
dwelling commercial industrial
When considering lighting outlets in dwelling units, a vehicle door in a garage is considered as an outdoor entrance.
false
GFCI protection is required for all 125V, 15 and 20A, single-phase receptacles installed _____ of commercial, industrial and all other nondwelling occupancies.
in storage rooms in equipment rooms in warehouses
In dwelling units, the voltage between conductors shall not exceed 120V, nominal, between conductors that supply the terminals of _____.
luminaries cord-and-plug-connected loads of 1440 VA, nominal, or less
When connected to a branch circuit supplying _____ or more receptacles or outlets, a receptacle shall not supply a total cord-and-plug-connected load in excess of the maximum specified in Table 210.21(B)(2)
two
Where more than one nominal voltage system exists in a building, each _____ conductor of a multiwire branch circuit, where accessible, shall be identified by phase and system
ungrounded
GFCI protection is required for all 15 and 20A, 125V single-phase receptacles in accessory buildings that have a floor located at or below grade level not intended as _____ and limited to storage areas.
habitable
In a dwelling unit, at least one lighting outlet _____ located at the point of entry to the attic, under-floor space, utility room, and basement shall be installed where these spaces are used for storage or contain equipment requiring servicing.
That is unstitched and
All 125V, single-phase 15 and 20A receptacles installed in bathrooms of _____ shall have ground-fault circuit interrupter (GFCI) protection for personnel.
guest rooms in hotels/rooms dwelling units office buildings
Island or peninsular countertop receptacle outlets can be installed below the countertop surface in dwelling units when necessary for the physically impaired or if no wall space is available above the countertop.
true
When breaks occur in dwelling unit kitchen-countertop spaces for ranges, refrigerators, sinks, etc., each countertop surface is considered a separate counter space for determining receptacle placement.
true
The grounded conductor of a 3-wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors when the maximum demand of an 8.75 kW range has been computed according to Column C of Table 220.19. However, the ampacity of the neutral conductor shall not be less than _____ percent of the branch-circuit rating and not be smaller than _____ AWG.
70.10
GFCI protection for personnel is required for all 125V, single-phase, 15 and 30A receptacles installed in a dwelling unit _____.
Garage
A permanently installed cord connector on a cord pendant shall be considered a receptacle outlet.
True
When more than one nominal voltage system exists in a building, each ungrounded system conductors shall be identified by phase and system. The means of identification shall be permanently posted at each branch-circuit panelboard.
True
It shall be permitted to base the _____ rating of a range receptacle on a single range demand load specified in Table 220.19.
amperage
For a one-family dwelling, at least one receptacle outlet is required in each _____.
basement attached garage detached garage with electric power
All 15 and 20A, single-phase, 125V receptacles in _____ of commercial occupancies must be GFCI-protected.
bathrooms rooftops kitchens
_____in dwelling units shall supply only loads within that dwelling unit or loads associated only with that dwelling unit.
branch circuits
All 15 and 20A, single-phase, 125V receptacles installed in dwelling unit boathouses be GFCI-protected.
true
Hallways in dwelling units that are _____ ft. long or longer require a receptacle outlet.
10
A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
100
At least one receptacle outlet shall be installed directly above a show window for each _____, or major fraction thereof, of show window area measured horizontally at its maximum width.
12
What is the maximum cord-and-plug-connected load permitted on a 15A multioutlet receptacle that is supplied by a 20A circuit?
12
In dwelling units, at least one wall receptacle outlet shall be installed in bathrooms within _____ of the outside edge of each basin. The receptacle outlet shall be located on a wall or partition that is adjacent to the basin or basin countertop.
36
The total rating of utilization equipment fastened in place shall not exceed _____ percent of the branch- circuit ampere rating, where the circuit supplies receptacles for cord-and-plug-connected equipment.
50
No point along the floor line in any wall space of a swelling unit may be more than _____ft from an outlet.
6
All ungrounded (hot) conductors terminating on multiple receptacles on the same yoke to be disconnected simultaneously in _____ occupancies.
dwelling unit commercial industrial
Two 20A small-appliance branch circuits can supply more than one kitchen of a dwelling.
false
In a dwelling unit, at least _____ wall switch-controlled lighting outlet shall be installed in every dwelling unit habitable room and bathroom.
one
Where the load is computed on a volt-amperes or square foot basis, the wiring system up to and including the branch-circuit _____ shall be provided to serve not less than the calculated load.
panelboard(s)
For the purpose of determining the placement of receptacles in a swelling unit kitchen, a(n) _____ countertop is measured from the connecting edge.
peninsular
A _____ receptacle without GFCI protection is permitted to be located in a dwelling unit garage for one appliance if located within the appliance.
single
In dwelling units, when determining the spacing of general-use receptacles, _____ on exterior walls are not considered wall space.
sliding panels
A receptacle outlet must be installed in dwelling units for every kitchen and dining area countertop space _____, an no point along the wall line shall be more than 2 ft measured horizontally from a receptacle in that space.
12 in. and wider
All branch circuits that supply 125V, single-phase, 15A and 20A outlets installed in dwelling unit bedrooms shall be protected by an _____ listed to provide protection of entire branch circuit.
AFCI
GFCI protection for personnel is required for fixed electric snow-melting or deicing equipment receptacles that are not readily accessible and are supplied by a dedicated space for the appliance.
False
GFCI protection is required for all 125V, 15 and 20A, receptacles installed on rooftops, including those for fixed electric snow-melting or deicing equipment.
False
Multiwire branch circuits shall _____.
Supply one-to-neutral loads.
In a dwelling unit. illumination from a lighting outlet shall be provided at the exterior side of each outdoor entrance or exit that has grade-level access.
True
Where a branch circuit supplies continuous loads or any combination of continuous and noncontinuous loads, the rating of the overcurrent device shall not be less than the noncontinuous load plus 125 percent of the continuous load.
True
A one-family or two-family dwelling unit requires a minimum of _____ GFCI receptacle(s) to be installed outdoors.
Two
Which rooms in a dwelling must have a switch-controlled lighting outlet?
every habitable room bathrooms hallways and stairways
In dwelling units outdoor receptacles can be connected to the 20A small-appliance branch circuit.
false
Dwelling unit GFCI protection is required for all 125V, 15 and 20A receptacles installed to service the countertop surfaces in residential kitchens
true
For other than dwelling units, a wall-switch lighting outlet is required near equipment requiring servicing in attics or underfloor spaces, and the switch must located at the point of entrance to the attic or underfloor space.
true
Receptacle outlets shall, insofar as practicable, be space equal distances apart in a dwelling unit. Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless they are located within _____ in. of the wall.
18
Where a portion of the dwelling unit basement is finished into one or more habitable rooms, each separate unfinished portion shall have a receptacle outlet installed.
true
Receptacles installed behind a bed in the guest rooms in hotels and motels shall be located so as to prevent the bed from contacting an attachment plug. or the receptacle shall be provided with a suitable guard.
true
Three-phase, 208Y/120V or 480Y/277V, 4-wire, wye systems used to supply nonlinear loads such as personal computers, energy-efficient electronic ballasts, electronic dimming, etc., cause distortion of the phase and neutral currents, producing high, unwanted and potentially hazardous harmonic neutral currents. The Code cautions us that the system design should allow for the possibility of high harmonic neutral currents
true