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3 votes

How to determine if an electrical box is code-compliant/listed for non-permanent installation?

Since there are no 14-30R receptacles designed to attach to the end of a cord that I can find Use the "box" trick discussed in your link. You don't need 8/4 cordage unless you have length ...
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4 votes

How to cut a hole through kitchen ceramic floor tile to install pop-up electrical box?

Drill the corners, Score & Break the sides With a handheld "tile scoring tool" you can also score a rectangle after drilling the corners, and tap with a hammer to break up the tile ...
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0 votes

Should I use a 14-50 outlet with #10 wire for a 30A range?

I think the relevant 2020 NEC section is 210.21.B (1) which states that "a single receptacle installed on an individual branch circuit shall have an ampere rating not less than that of the branch ...
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3 votes

How can I shorten the cable on an outlet bar?

It all depends on what cord/plug you have right now. If you currently have a removable plug then you open it up (usually one or two screws), unscrew the wires, cut the cord where you want it, strip ...
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2 votes

Vanity Light Install

Connect all three black wires together and all three white wires together with wire nuts. The ground wires will remain connected and should be connected to the junction box if it's metal. If the ...
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22 votes

Does it cause problems to overtighten connections on receptacles/switches?

This was investigated more formally by researchers, and it was determined that your folk "knowledge" is only half the story. Too tight is also a problem. Also, they discovered via testing ...
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4 votes

Does it cause problems to overtighten connections on receptacles/switches?

Conceivably, if you grossly over-torqued a connection, you could deform the wire and squeeze much of the conductor metal out of the connection. That could lead to a bad connection (excessive ...
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28 votes

Does it cause problems to overtighten connections on receptacles/switches?

Recent (last 10 or 20 years, maybe a bit more) code says to use torque wrenches/screwdrivers for all connections now. You found some problems with going too tight. In addition, you also squeeze the ...
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  • 9,557
0 votes

USB outlet in narrow wall box

Wrap the usb duplex with black tape to cover the screws. I had this issue in a 1950 house.
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  • 1
0 votes

Pulling a 120v outlet from an existing 240v hot-water heater line

You might be out of luck, like me. I tried that, and when opened the box, I found 2 phase cable but no neutral. So could not make 120 V plug. The only way for me to do it, is to extend the low voltage ...
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  • 2,909
3 votes

Pulling a 120v outlet from an existing 240v hot-water heater line

You'll need to ditch the wall-wart... Even if your powered anode's "wall wart" power supply is rated for 240V operation (likely, albeit not guaranteed), you still cannot interface it ...
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0 votes

Does cable for a 30A circuit between garage studs need shielding?

The plain cable should be okay inside the wall, the mounting/attachment requirements should be waive inside a finish wall. you don't need to attach to wall. This is for the cable. I believe any plugs ...
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  • 9,557
0 votes

Does cable for a 30A circuit between garage studs need shielding?

Code requires the cable through the studs below 8’ to be covered. In the past we have cut a sheet of Sheetrock in strips to cover the Romex (what we used). Plywood would have been better but on these ...
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3 votes

Is This Receptacle Up To Code?

Some states require compliance with NEC 406.12 for TR receptacles. I can't tell from the photo which type is installed there. If you've replaced the GFCI, then NEC 406.4(D)(5) also applies where ...
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1 vote
Accepted

3 wire hot connected to 2 wire neutral in split receptacle

You have a half-switched receptacle connected to an old-style switch loop What you are looking at there is a half-switched receptacle where the switched hot is coming from an old-style switch loop ...
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2 votes

GFI triping with dog bone adapter

In addition to the excellent answer from manassehkatz, you should understand why GFCIs make your idea basically impossible. A GFCI works by comparing current between the hot and neutral. Normally, ...
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2 votes

GFI triping with dog bone adapter

So many problems: 2 x 30A @ 120V = 1 x 30A @ 240V. But that is less than 50A @ 240V. You may say "but the breaker will trip at 30A, so what's the problem?" The problems (there may be others....
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3 votes

Unused outlets get warm when others under load

Nothing should make other outlets warm: you have a problem which should be fixed. You may have hot wires. Hot wires cause fires. You may have hot junctions. Hot junctions cause fires. Hot wires are ...
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51 votes
Accepted

Unused outlets get warm when others under load

The appropriate response to a hot outlet is NOT "change usage patterns to reduce somewhat". The appropriate response to a hot outlet is Kill It With Fire before it kills YOU with fire. This ...
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19 votes

Unused outlets get warm when others under load

If everything is properly installed and undamaged, ordinary connections (junctions between wires, between wires and receptacles, between wires and switches) should produce very, very little heat and ...
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2 votes

Installing a new ceiling fan without existing wiring

You have an old-style switch loop, which was 100% legitimate when installed, but you should not use that for a new switch, because switch boxes are now required to have neutral. Plus you have other ...
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0 votes

How to fix an electrical outlet where the threaded mounting hole is stripped?

I had a similar problem with my plastic receptacle but was lucky enough to buy a longer 6-32 screw and screw past the stripped area in the front of the screw hole. $3 fix for me.
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2 votes

Power flicked after changing my outlets

Flickering can be from a short or open but the breaker tripping is a short (overload). I had had an apprentice wire up some new motion lights they worked for a day and died, he did not want to try to ...
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