One of the circuit conductors in a building or other-structure electrical-power distribution system is purposely referenced to earth ground to aid in the dissipation of lightning should it strike the power supply conductors before they enter the building.
The distinctive __________ colour of insulation along its length identifies this specific conductor as a current-carrying circuit conductor that has been intentionally grounded.
A) other than white, gray, or green
B) white or gray
C) None of the answers
D) green or green with one or more yellow stripes
Show Answer
Answer:B
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