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.

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.

answer:

science is the study of the nature and behavior of natural things and the knowledge that we obtain about them. a science is a particular branch of science such as physics, chemistry, or biology. physics is the best example of a science which has developed strong, abstract theories.

pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method.

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answer:

explanation:

assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.