Exam (elaborations)
NHIE ELECTRICAL PRACTICE TEST
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NHIE ELECTRICAL PRACTICE TEST
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NHIE ELECTRICAL PRACTICE TESTThe ampacity of copper-clad aluminum is
A. the same as for copper wiring
B. higher than for copper wiring
C. the same as for aluminum wiring
D. lower than for aluminum wiring - Answers-C. the same as for aluminum wiring.
Electric dryer receptacles in older houses:
A. work with four-wire cords and plugs
B. may share a wire with a 120-volt receptacle
C. require their own circuit
D. are rated for at least 50 amps - Answers-C. require their own circuit
Aluminum branch circuit wiring was commonly used in what years?
A. 1945-1955
B. 1955-1965
C. 1965-1978
D. 1978-1985 - Answers-C. 1965-1978
Upon viewing the interior of an electrical panel, the MINIMUM size copper conductor
used on a 15-amp rated circuit breaker is:
A. 8 AWG
B. 10 AWG
C. 12 AWG
D. 14 AWG - Answers-14 AWG
Reversed polarity in a receptacle means:
A. The receptacle is installed upside down
B. The hot and grounded conductors are reversed
C. The hot and equipment-grounding conductors are revered
D. The grounded and equipment-grounding conductors are reversed - Answers-B. The
hot and grounded conductors are reversed
While inspecting the wiring of a residential metal storage shed, you observe non-
metallic sheathed wire installed through standard cut-outs in metal wall studding and
clamped tight to the studding where the wires run vertically. Your recommendation
should be
A. plastic grommets and plastic stand-offs should be installed
B. the wire must be removed and replaced with bx cable
, C. all the wiring must be re-run in rigid conduit from the ceiling
D. all the wiring must be re-run in rigid conduit from the floor - Answers-A. plastic
grommets and plastic stand-offs should be installed.
Which of the following is TRUE about the white (neutral) electric wire?
A. no electric current flows through the withe neutral wire
B. the white neutral wire should measure 110 volts to ground
C. white wires will not function for any other purposes than as a neutral
D. The white neutral wire returns current to ground. - Answers-D. The white neutral wire
returns current to ground.
A GFCI functions by sensing
A. An overcurrent condition
B. A current imbalance
C. A short circuit
D. An open neutral - Answers-B. a current imbalance.
Three-hole grounding-type electrical receptacles:
A. Are required to have an insulated ground
B. Must connect to the nearest water pipe
C. Cannot be installed downstream of an ungrounded GFCI
D. Must be grounded - Answers-D. must be grounded
Which of the following is currently required to be GFCI protected?
A. Hydromassage tub
B. Attic outlets
C. Dishwasher
D. Garbage disposer - Answers-A. Hydromassage tub
When testing the GFCI test/reset device in the hall bathroom, you discover that the
power shuts off to the outlets in the remaining bathrooms as well. You conclude
A. All these outlets are properly wired on the same GFCI protected circuit, and no
correction is needed
B. All these outlets are improperly wired on the same GFCI protected circuit, and
correction is needed
C. The GFCI test/reset device is properly wired; however, test/reset devices are needed
at the other outlets
D. The entire circuit is illegal since each bathroom GFCI outlet must be provided with a
dedicated circuit - Answers-A. all these outlets are properly wired on the same GFCI
protected circuit, and no correction is needed.
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