All Questions
Tagged with junction-box grounding-and-bonding
7
questions
12
votes
2
answers
2k
views
Does NEC allow a metal box to carry the ground connection between separate conductors?
I found this box:
You can see that most of the conductors have their grounds crimped together in the deep part of the box.
A box extension was added to this at some point, so it is rather deep, but ...
- 370
7
votes
3
answers
1k
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Best, and acceptable, connector for 12 to 20 ground wires in a junction box?
In a junction box with about 12, and may grow to 20, cables of size #14, #12, #10 what is the best, and alternative connectors to join all the ground wires together?
Can I install a ground block, the ...
- 41.8k
0
votes
1
answer
93
views
Proper grounding of old fuse panel now turned J-Box
I am working on my old house from the early 1900s. It has 100A service, a 6x15A FUSE panel that was turned into a sub panel powered by 2x 20A circuits from a small "newer" 100A breaker panel....
2
votes
2
answers
2k
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What's the proper way to extend wiring into a replacement panelboard?
I'm planning a replacement of a 1960s-vintage subpanel in my home's garage/garage apartment. Power feed from the service entrance is through EMT, which I'll have to use as the grounding means as it's ...
- 439
0
votes
1
answer
723
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Mounting lug to junction box
I need to bond 10 ga stranded EGC to a metal junction box. I’d like to use something like this lug. The box will be screwed to a floor joist in the crawl space under my house.
Does this lug need to be ...
- 545
3
votes
3
answers
2k
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Is my non-standard outlet box grounding screw code-compliant? (US in 2022)
I'm installing GFCI outlets in my 1950s era existing kitchen counter wall boxes. The metal boxes in the wall have a number of holes in them that I thought were for standard green grounding screws, but ...
- 4,448
2
votes
3
answers
10k
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How to properly bond metal junction box with 6 AWG conductors
What is the appropriate way to bond a metal junction box containing a receptacle wired with 6 AWG wire? It seems that most metal junction boxes have a 10-32 tapped hole to accept a ground screw but ...
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