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Joe Rocker

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I asked an earlier question today and I was not clear in how I asked it. Here is the example: You have a metal box which is for a light and one ground wire enters that box. Can you just connect that ground wire to the grounding screw or do you have to get another groundwire (pigtail), and connect that to the ground screw. I got the code reference, I just want to understand it and I figured you all are smarter than I am.
Thank you
 
You need to bond the box. You can loop your one grd. wire around the screw then to the light. Or make a pig tail to hit both the box and light..
 
You can do it either way. The EGC entering can be terminated directly to the box, or it can go to a splice and a 'pigtail' can connect the splice to the box.

When I can, I leave the line cable's EGC long to connect it to the box directly, and then it remains long enough to splice. Need 6 inches of 'free' conductor, I leave 6 between the cable entry and the ground screw too, in case it is reterminated in the future there will still be enough to work with.
 
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