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Residential wiring Test 2 Questions With Complete Solutions
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Residential wiring Test 2 Questions With Complete Solutions
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Residential wiring Test 2 Questions WithComplete Solutions
The smallest wire size for which overcurrent protection is
specified in the Code is ____.
a. 20 AWG
b. 18 AWG
c. 16 AWG
d. 14 AWG Correct Answers 14 AWG
hh hh
The NEC requires that conductors 8 AWG and larger must be
____ when installed in a raceway.
a. grounded
b. bonded
c. stranded
d. none of these Correct Answers stranded
hh hh
Branch circuit conductors shall have an ampacity ____ the
maximum to be served.
a. not less than
b. 125% greater than Correct Answers not less than
hh hh
The rating of a branch circuit is determined by its ____.
a. overcurrent protective device (fuse or circuit-breaker)
b. wire size
c. demand factor
d. connected load Correct Answers overcurrent protective
hh hh
device
, For a given conductor size, which material has the greatest
ampacity?
a. copper
b. copper-clad aluminum
c. aluminum
d. both b and c Correct Answers copper
hh hh
Under certain circumstances, the grounded (neutral) conductors
of a residential service ____ permitted to be sized smaller than
the phase conductors.
a. are
b. are not Correct Answers are
hh hh
Low voltage (high voltage drop) in a home can be caused by
____.
a. a conductor that is too small for the load
b. a circuit that is too long
c. poor connections at the terminals
d. all of these Correct Answers all of these
hh hh
Type NM cable can be run in all the following locations, except
for ____.
a. concealed in dry locations
b. damp and moist locations
c. exterior masonry block or tile walls
d. both b and c Correct Answers both b and c
hh hh
Type AC cable is manufactured with ____ phase conductors.
a. two
b. three
c. four
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