Is it always necessary to attach the bare equipment grounding conductor of a nonmetallic-sheathed cable to the green hexagon-shaped grounding screw on a receptacle? Explain.

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24-02-2020
Engineering

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Is it always necessary to attach the bare equipment grounding conductor of a nonmetallic-sheathed cable to the green hexagon-shaped grounding screw on a receptacle? Explain.

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yahayadanjuma55 yahayadanjuma55 · Answer 1 · 2020-02-25T11:42:12+01:00

Answer: It is very necessary and important

Explanation:

By UL standard 20, a grounding means is provided by the type of flush placed for supervising the putting in the box. In almost all the cases, grounding is done by connecting a green hexagon -shaped screw to the metal yoke of the switch. Grounding is also a means of special self-grounding it is also one of the characteristics of metal yoke and it has a copper wire joined together with a green insulin.