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Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to ensure you get answers that are relevant to you. Posting photographs of wiring junctions or drawing a wiring diagram and posting it is also highly recommended.

0 votes
1 answer
95 views

Can NMB wire be used in conjuction with THW?

I'd like to replace a section of 12 gauge solid THW wire that goes from the well's pressure switch to a point about 15 feet from where it goes into the ground. Is it okay to use 12/2 NMB wire (which I …
Trevor's user avatar
  • 785
6 votes
3 answers
10k views

Is my Breaker Panel beyond its capacity?

Attached are 2 pictures of my breaker panel. I know instinctively that there is a lot that's not right with it, but what I'm most concerned about is the total capacity. It looks to my untrained eye li …
Trevor's user avatar
  • 785
12 votes
2 answers
8k views

Can I leave excess wire to allow for future use?

If I'm running wire through the crawl space for say a light switch in a wall above, but I plan on moving said wall 8 feet further away in a couple years is it legal/advisable to leave extra wire coile …
Trevor's user avatar
  • 785
1 vote
0 answers
439 views

How to Correctly Wire This Outdoor Light/3-way Switches Setup?

At that time a major overhaul of the electrical system will happen. I just want to be safe and well-lit for now.) …
Trevor's user avatar
  • 785
0 votes
1 answer
2k views

How many switches do I really need in a room with multiple entrances?

We are removing walls to turn 4 tiny rooms into one large room with a center column that will have electrical. …
Trevor's user avatar
  • 785
0 votes
1 answer
219 views

Can two branch circuits share one lighting box?

detectors for the house are wired through the first floor ceiling joists, up through walls and to 2nd floor ceiling joists all of which are inaccessible without creating a lot of extra work (there are electrical
Trevor's user avatar
  • 785
4 votes
1 answer
701 views

How do I correctly replace a section of wire to a submersed well pump?

A previous owner did the original wiring of it and made a connection or two with wire nuts and electrical tape but without a junction box. It is just laying in the sand - which makes me uneasy. …
Trevor's user avatar
  • 785
26 votes
3 answers
9k views

Do I really need to include a wall switched lighting outlet in every room?

According to the Black & Decker Wiring book, the NEC indicates that each room should include at least one "switch-operated lighting outlet". Is that true even in rooms that have overhead lighting, or …
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  • 785