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NHIE Electrical Practice Test Questions And Answers
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NHIE Electrical Practice Test Questions And Answers
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NHIE Electrical Practice Test Questions AndAnswers
The 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 - correct answer 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 - correct answer C.
require their own circuit
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
, NHIE Electrical Practice Test Questions And
Answers
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 - correct answer 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. -
correct answer D. The white neutral wire returns current
to ground.
Aluminum branch circuit wiring was commonly used in
what years?
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