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28 votes

How to patch underwater power line

Look for an underwater cable splice kit (standard listed product) and just use the outer encapsulating part of the kit, if the inner conductors are not damaged. The splice kit fill (an insulating ...
  • 145k
20 votes

How can I measure the actual amperage rating of my circuits so I can match it with correct fuses/breakers?

... the previous tenant ... This indicates to me that this is a rental property. Call the landlord and ask him to review to be sure that his property doesn't burn down. Sure, you can do simple work ...
  • 32.4k
12 votes

Is THHN allowed inside cavity of the wall less than 3 feet to main panel?

Nope. Conduit used as a wiring method suitable for housing THHN, must be entirely end-to-end the entire run. There can't be gaps (especially if the metal conduit is carrying the ground instead of a ...
7 votes

What precautions are needed when doing electrical work on cables containing asbestos?

Turn off the breaker. Since older wiring often has faults or simply unmarked MWBCs (which cannot be detected by voltage testers), I suggest turning off the main breaker. For the other risk, look into ...
7 votes

How can I measure the actual amperage rating of my circuits so I can match it with correct fuses/breakers?

Fuses are color-coded same as breakers used to be. Blue = 15A (#14 wire) Red = 20A (#12 wire) Green = 30A (#10 wire) You might take appropriate hobby paint or nail polish and mark the area around ...
6 votes

How to patch underwater power line

I doubt that can be easily and safely repaired. Water and contaminants have infiltrated the outer protective cover, which will wick quite a distance into the outer cover. In addition, that black ...
  • 1,934
6 votes

How can I measure the actual amperage rating of my circuits so I can match it with correct fuses/breakers?

The breakers are to protect the wiring, not the load. You can generally size by the wire size example for 60C rated wire: AWG 14=15 amps, AWG 12 = 20 Amps, AWG 10 = 30 Amps. It is dependent also on ...
  • 4,029
4 votes

How to patch underwater power line

I'm going to add something to Milwrdfan's answer, in that I agree the cable should be replaced. That's not UF cable, and looks curiously like NM cable, in that it seems to have a simple jacket (UF ...
  • 20.9k
4 votes

Where is the neutral hooked up to this old fuse box?

Neutral is being fed through fuses here This panel is so old that it appears to have fused neutrals -- i.e. neutral is one of the fused/switched busbars in this panel, while the only hot is the other ...
4 votes

Why is my ceiling light permanently dim?

Harper's Law of Seemingly Unrelated Problems says that if you are chasing a problem A which is vexing, and in the course of that see a seemingly unrelated problem B, correct problem B. Either problem ...
3 votes
Accepted

How to wire this 220 wire

This is cheap Chinese unit off of Amazon Marketplace, which is a 3rd party marketplace similar to eBay where you are buying from random 3rd party sellers. . Marketplace results are seamlessly ...
3 votes
Accepted

How to wire a NEMA 6-50 receptacle to a 240V GFCI breaker?

The GFCI breaker will have a neutral pigtail, or PON. It needs that to power the breaker's internal electronics, but it also carries load neutral on a 120/240V circuit. If you have a 240V-only ...
3 votes

When did Handle Ties become mandatory for MWBC?

I'm posting this down here because it fits more as an answer than an update to the question. Turns out that while there is no official solution to handle-tie the outer pair of a quad/tandem breaker, ...
  • 2,550
3 votes

Do I need an GFCI Breaker if my outdoor outlets are GFCI

I'm a little confused about what your Alcan 3/C cable is. Is it 3-wire including ground, or 3-wire with ground also? I gather it's #12 aluminum which doesn't bother me if you make a point not to ...
2 votes

Changed vanity light to a switch light but only works with ceiling light on

Let's go all the way back to the original setup. the pull chain vanity light that was originally on there was capable of being turned on without the ceiling lights being switched on The ceiling ...
2 votes

wiring diagram for double gang box bathroom

This is quite doable, without putting anything but the outlet, assuming that there is a completely separate connection to the integrated switch. As far as I can tell, most of these combo outlets have ...
  • 9,262
2 votes

Wilo Star S 21 FX pump for outside wood burner using only a 2 wire power supply (hot and neutral)

First off, some pictures of your junction box would help us determine what you can do here. I'll address your questions one by one. I have a black wire (hot) that goes to the "L" slot, and ...
  • 2,550
2 votes

Need specific instruction how to wire UK 3-wire 240v appliance to US 240v wiring and plug

Shipping electrical appliances across oceans is always a mistake. They sell electrical appliances on this side of the pond, honest. First - and your electrician may hold your feet to the fire on ...
2 votes

When did Handle Ties become mandatory for MWBC?

Finally: when I fix this, since I will be moving circuits in this panel and possibly relocating 1 or 2 to my subpanel to make room, will I need to comply with the current code (2019 CEC/2017 NEC ...
2 votes
Accepted

When did Handle Ties become mandatory for MWBC?

Seems like your potential code editions put you right on the cusp, as it was required starting in NEC 2008. https://www.ecmweb.com/content/article/20890842/code-changes-2008
  • 145k
2 votes

Is it code compliant to have this many things on a single circuit?

All circuits serving bathroom receptacles must pick one of these two rules and follow it. It can serve receptacles ONLY, in any number of bathrooms. ...or... It can serve receptacles in 1 bathroom, ...
2 votes

Is it code compliant to have this many things on a single circuit?

This sounds like a few different issues. Combining Loads on a Circuit There are certain circuits that are required, by modern code, to be dedicated. They include: Bathroom Receptacles - Can be shared ...

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