Residential Wiring Final Exam 2024 |
Residential Wiring Exam Update Latest
2024 Questions and Correct Answers
Rated A+
Many electricians wire the lights and receptacles in a room on different
circuits because this -ANSWER-offers the advantage that all power in
a room will not go out if the overcurrent protective device trips
Ceiling fan speed can be controlled by -ANSWER-pull chain on the
fan; speed control mounted in a wall box; remote control similar to
TV/VCR type
The NEC allows what maximum number of receptacle outlets to be
connected on a 120-volt residential lighting or small-appliance branch
circuit? -ANSWER-unlimited
The maximum volt-ampere loading permitted on a 20-ampere branch
circuit with a continuous load is -ANSWER-1920 VA
Which of the following switch types is rarely used in residential wiring?
-ANSWER-double-pole
When someone decides to use a bedroom as a home office instead, -
ANSWER-a lot of electronic equipment will have to be plugged in
When installing a ceiling paddle fan, the outlet box must be -
ANSWER-listed and marked as acceptable for fan support
,Receptacles installed on 15- and 20-ampere branch circuits must be
of the ______ type. -ANSWER-grounding
The selection of outlet boxes and switch boxes is made by the
electrician. These decisions are based on Code requirements, space
allowances, good wiring practices, and -ANSWER-common sense
Ceiling fan boxes designed to support more than _____ pounds must
have the maximum weight they are designed to support included in
the marking. -ANSWER-35
In a home office, the current draw is -ANSWER-low
A raised plaster cover (often called a plaster ring or mud ring) is
permitted to increase the maximum number of conductors permitted in
an outlet box when it is -ANSWER-marked with its cubic-inch volume
A light above a workbench is an example of -ANSWER-task lighting
A light dimmer ______ be used as a speed control for a ceiling fan or
other motor. -ANSWER-should not
Receptacle outlets must be installed in any wall space ______ or
more in width. -ANSWER-24in (600mm)
In a room that may be used as a home office, you could consider -
ANSWER-using 12 AWG for the home run or even the entire branch
circuit(s); wiring in quadplex receptacles instead of duplex
receptacles; using only plug-in strips that are UL listed
During the winter, it is suggested that a paddle fan should -ANSWER-
draw up air
,Sliding glass panels ______ considered to be wall space, the same as
any other interior or exterior door. -ANSWER-are not
Which of the following is required in order to dim fluorescent fixtures? -
ANSWER-fluorescent dimmer; dimming ballasts
Ceiling fans must be specially supported for all of the following
reasons, except for -ANSWER-safe grounding
Residential wiring plans generally show lighting and receptacles outlet
locations but not circuits. The electrician should design the installation
with which of the following in mind? -ANSWER-economy-minimizing
the number and length of circuits; convenience for the homeowner or
other user; NEC requirements
When designing a home office, you could consider roughing in more
wall receptacles than the NEC -ANSWER-minimum
Install luminaires listed for _____ locations if they will be subject to
shower spray. -ANSWER-wet
As defined in Article 100, a bathroom is required to have a -ANSWER-
basin
GFCI-protected receptacles _____ permitted to be installed within a
tub or shower space. -ANSWER-are not
Recessed or surfaced-mounted luminaires and recessed exhaust fans
may be located within the restricted zone near the bathtub -ANSWER-
may
, Ceiling-suspended paddle fans must not be located within a zone
measured _____ horizontally and ____ vertically from the top of the
bathtub rim or top of a shower stall threshold. -ANSWER-3ft (900mm);
8ft (2.5m)
Lighting fixtures intended for installation in wet locations must be -
ANSWER-marked "suitable for wet locations"
A location exposed to the weather is a _____ location -ANSWER-wet
The Code permits all bathroom receptacles to be on a single _____
branch circuit so long as it doesn't supply other loads -ANSWER-20-
ampere
In addition to being fastened to the outlet box, the track for track
lighting is generally fastened to the ceiling with _____. -ANSWER-
toggle bolts and screws
Lighting track in residential installations shall not be cut to length in the
field unless permitted by the ______ -ANSWER-manufacturer
When using nonmetallic boxes, the volume allowance is based on
______ -ANSWER-wiring devices; cable clamps; equipment
grounding conductors
Lighting track is not permitted to be installed less than _____ above a
finished floor unless it is protected against physical damage, or if the
track is of the low-voltage type operating at less than 30 volts rms
open-circuit voltage. -ANSWER-5 ft
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