NHIE Electrical Practice Test Questions and Answers

NHIE Electrical Practice Test Questions and Answers 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 - 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 - Answer-C. require their own circuit EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 2/10 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 - 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. - Answer-D. The white neutral wire returns current to ground. Aluminum branch circuit wiring was commonly used in what years? EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 3/10 A. B. C. D. - Answer-C. 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 - Answer-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 - Answer-B. The hot and grounded conductors are reversed EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 4/10 A GFCI functions by sensing A. An overcurrent condition B. A current imbalance C. A short circuit D. An open neutral - Answer-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 - Answer-D. must be grounded