Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps 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.

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20 views

how do i troubleshoot a substantial AC volatge neutral to ground?

I've been having some problems with my computers at home. Today I decided to check voltage from the receptacles. I have 120VAC hot to Neutral, as I would expect, but then I have 50VAC Hot to GND, and ...
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1answer
16 views

How to replace a CFL recessed light with LED fixture

I bought a few LED new light fixtures and was able to replace them in bedroom in 5-10 minutes each. But the ones in kitchen had a weird CFL format and not the usual lightbulb screw kind of holder so ...
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2answers
19 views

Three way circuit powering a GFIC outlet

I have two light switches, one at each entry to a room, that are set up three way to power a standard outlet (for a lamp). I replaced that standard outlet with a GFIC outlet. I noticed that the tiny,...
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8answers
4k views

What happens if ground and neutral are swapped in a light switch?

I’m replacing a light switch in an old house with lots of uncolored wiring. I removed the switch plate to find two black wires (connected to the switch) and a capped up white wire (see photo below). ...
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1answer
45 views

Single pole/single throw switch turns one light on and one light off

I have a single pole, single throw switch which controls a ceiling light, no pull chain (light A) and (unnecessarily) a wall light, with pull chain (light B). When the switch is in the OFF position, ...
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1answer
51 views

Where can I find a reversible 1HP motor compatible with my home outlet? [closed]

Project I want to create a storage rack in my garage that can be raised and lowered to the floor. I'm not sure how to properly spec the motor for the project. Criteria I've come up with the following ...
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2answers
146 views

Rewiring outlet from half-hot to full-hot

I have multiple outlets in my room where the top plug on the outlet is controlled by a light switch. My objective is simply to make it so that these top plugs are always hot, regardless of the ...
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2answers
49 views

Can I use a 60A circuit for both a cooktop and oven?

I removed an electric slide-in range. The box was wired with 8-3 stranded copper on a 60a circuit breaker. I am installing a cooktop with a built-in oven. All I have is the one 8-3 wire in the wall. ...
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1answer
42 views

Detecting voltage at garage door opener control panel wire

I've removed our previous 20 year old garage door opener and am installing a new one. I'm now at the step of wiring the new control panel to the wall. The garage is finished, and the old control had ...
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0answers
44 views

Flexible mains cord for cable management

To help with cable management I want to make some custom power cables for low power devices (computer peripherals, small audio devices etc. all under 100W). The smallest flex I can find is 1mm^2 PVC ...
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1answer
112 views

is it safe to use a microwave with the outside glass missing?

The outer glass on our microwave shattered recently. The part can no longer be purchased. Two related questions: Is it still safe to operate? Can the shattered glass be replaced with plexiglass? It ...
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1answer
64 views

Which is the ground wire in my lighting circuit?

I am installing track lighting and have uninstalled the old florescent lighting. I am now left with: 1 white wire 2 black 1 yellow And what looks to be an exposed copper wire. I understand that the ...
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2answers
32 views

Oven “flickers” in power every now and then

Our oven seems to "flicker" in power every now and then. By that I mean it loses power just momentarily --- or at least it loses power long enough for the clock to reset. This has happened ...
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2answers
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Can I bond gas plumbing via gas water heater's electrical connection ground?

Locale: WA State, U.S. Inspector approved gas plumbing and followed up later, saying: "Please note that we will be verifying the bonding of the new gas piping at the next inspection, please ...
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3answers
124 views

Does the arrangement of breakers within a panel matter or follow any rules?

When somebody is installing breakers initially or doing a major remodel, are there rules or restrictions that must be followed in regard to which breaker goes where in the panel spaces? Obviously dual-...
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2answers
41 views

Changing old light fitting to new - wiring problem

I am looking to change a new light fitting in cloakroom. The old wiring has a black wire with red tape around, which I think signifies a ‘live’ . I also have 3 red cables and 2 other black cables plus ...
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3answers
72 views

Replacing older light switch, confused about “5a 250v 10a 125v” rating

I have an older light switch in my basement that no longer works (when lifted to the "on" position there is no "click" and it simply falls back to the "off" position). I ...
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1answer
43 views

Dual Grounding Electrodes In Parallel versus series

I've installed two 8' copper rods each with a beefy piece of copper tying them back to the panel ground. It is the entrance panel, so neutral is also on that ground and the service pole is ~15' away ...
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2answers
235 views

Two opposite phase circuits in one conduit… do i need 2 neutrals or an oversized neutral?

Im running two individual single pole 20A circuits though a single 1/2" EMT conduit and hanging a duplex outlet every 6'. They will alternate which circuit (phase) is feeding them (im running ...
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0answers
36 views

Why does my ceiling light go out a few seconds after I turn it on?

Weird problem. My ceiling light will not stay on in the morning. When I flip the light switch it will go on for a few seconds and then go out. However, in the afternoon, the light seems to work ...
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3answers
82 views

I'm getting a fake short on my fuse tripping GFCI

I recently went to change an outlet to a GFCI (It was the first in the line) After I installed it (as I have done dozens of times) and It kept tripping. I replaced the outlet thinking it was faulty, ...
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4answers
80 views

Breaker Box Replacement/Upgrade

I was planning to get our box upgraded from a old 100 amp Zinsco box to a newer possibly 200 amp box. I have been talking to a couple of companies and they have been wanting a arm and a leg, and also ...
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0answers
15 views

Why does double f96t12 fixture sometimes not light until a bulb is touched?

two f96t12 single pole bulbs in a grounded and properly wired metal fixture sometimes neither bulb will light until I touch one of them and both immediately light up. If I touch a bulb and the metal ...
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0answers
51 views

Can I run cable through a junction box in a cabinet and then to the dishwasher?

My electrical wire to my dishwasher comes up through a hole in the subfloor wired right to the dishwasher. I wanted to replace it (too much to go into here, just know the subfloor got wet, and I ...
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2answers
138 views

Help identifying possible dual pot light plug

In my kitchen, I have a number of ceiling lights that take MR16 bulbs. However, I noticed that the plugs seem to also accept another kind of bulb as well. At first, I thought these other sockets were ...
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4answers
7k views

Is this 230V steampunk metal robot lamp safe?

I bough a steampunk robot lamp from ebay. It is made out of (painted) metal fittings. After receiving it, I was a little concerned regarding safety and disassembled it. The plug suggests that this is ...
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1answer
50 views

Do AFCI breakers interfere with any shop equipment?

I'm setting up a workshop and have several tools planed which I've heard don't get along with Arc Fault Interrupters. I don't know if this is true or just something people tell themselves to get out ...
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0answers
49 views

Workshop Outletts on Metal Conduit

Im putting outlets into my new Shop, planning for a 1" EMT conduit containing three circuits running from the panel box: A 20A 120V, B 30A 240V and C 50A 120/240. So 7 conductors plus the ...
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0answers
56 views

Low Voltage Home Wiring

I have a custom built new construction home, but I was not involved with the build process, so I don't know the thought behind some of the equipment decisions. I am an engineer, so curiosity has me ...
2
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2answers
345 views

Lights go out in part of the house whenever I plug.something in

Weird thing. Whenever I plug something (TV,computer, anything really besides the fridge which is even weirder) in in one part of the house a bzt bzt sounds can be heard, lights flicker and ...
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1answer
86 views

Re-fishing a broken wire

I've recently moved into a new house, and the workshop has what looks like power run to it. There's a cable that goes from the breaker to the workshop, but it does not have power. I assume there's a ...
2
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3answers
157 views

Why does the hot terminal of my extension cord always burn out?

Need help on understanding why does the "Black Wire" is always burned/damaged periodically? It's always being replaced. Is this normal? How can I prevent this from happening. Thank you!
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2answers
86 views

How can I make a switch activate two circuits, when both are normally switched independently?

In my garage I have two lighting circuits with two separate switches in the same junction box. Total, on both switched circuits, I have 16 recessed lights, each is a 15w LED. One switch is an ...
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2answers
1k views

Horizontal Electrical Outlet - How to Rough?

I'm out in Chicago, and we are required to pipe in everything with conduit and use metal boxes. For vertical 2 gang outlets, we use normally a 4 inch box with side mounting to a stud and two mud rings ...
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1answer
45 views

Cable clamp connector and knockout size for 6/2 NM and 8/2 NM

I'm running some cables for an electric tankless hot water heater. I haven't decided which one yet. It'll either need 2 x 40A, 2 x 50A, or 3 x 40A, all 240V (there are some that need 60A, but I'll ...
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1answer
27 views

Trying to find correct bolt for ceiling fan electrical box

I'm really struggling trying to find the correct bolt for this electrical box for a ceiling fan. After taking the old ceiling fan out, I found 2 mismatched bolts that the previous person had used. One ...
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1answer
25 views

Installing New Bathroom Exhaust Fan

I’m adding a new exhaust fan to my bathroom where there was not one before. I added a double gang box for a second single-pole switch to operate the fan. The existing light switch had the following: a ...
5
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2answers
305 views

NEMA 14-50 outlet installation - uninsulated ground ok to use?

Purchased a new house that is pre-wired for electric car charging with 4 wires: red, black, white, and 1 uninsulated wire (see picture). I'm trying to install a NEMA 14-50 outlet (for a Tesla) and its ...
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0answers
44 views

AC current existing on cable company Cable TV / Internet Coaxial Cable

Is AC current on Cox Cable Coaxial cable (cable TV/Internet service) something I need to get fixed?. Using a Fluke 322 clamp meter I measure 0.02 amperes AC reading on the COX coaxial cable, measured ...
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0answers
34 views

Are the conductors in UF-B THWN?

I have a run of UF-B going to an outdoor wooden post. On that post I have a couple of outlets and a switch. Once at the post, can I remove the outer sheathing of the UF-B conductors and use them to ...
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1answer
52 views

Help: Black and White Wires on Switch but No Neutral?

I was going to install a Kasa smart switch, which requires a neutral. When I opened up this box, which contains 2 switches that control 2 separate lights outside (porch and walkway), I noticed black ...
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2answers
46 views

How best to isolate dirty power caused air conditioners or other motor driven devices at the dirty device itself?

I have two air conditioners that are the source of some voltage fluctuation/line noise in my home. The two A/C's running at the same time is definitely and unambiguously at fault. This is primarily a ...
3
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0answers
37 views

Generator Connection

I picked up a used 10kva (45a) Generac unit and want to get it connected thru the transfer switch. Just looking for some feedback on how to get it connected. I was going to use 1" schedule 40 ...
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0answers
15 views

Water spills from kitchen seep to downstairs

Noticed some water in basement in the middle of the floor. I looks to be seepage from a water spill in the kitchen from earlier (water must have gone further back under the fridge than what was ...
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1answer
20 views

Test light wiring

I'm renovating a pantry. There was a light in there that didn't work. We were told after purchase that it had been "deactivated". Before I moved the box I tested the wire and it in fact had ...
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1answer
29 views

Help to find out Hot/active, Neutral & Earth in this junction box in Australia, NSW

Help to find out Hot/active, Neutral & Earth in this junction box in Australia, NSW It got Red- ? Back-? Green&Yellow - Earth. It seems an old house & wiring with old color standards. Just ...
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0answers
16 views

Trading out Crestron dimmers for standard (non Crestron) 3 way switches

I would like to trade out my current stairway lighting which is Crestron master dimmer/2 slave dimmers and replace them with 3 standard 3 way switches. Once the Crestron units are removed, is the ...
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1answer
47 views

How to install a utilitech heater ventilation fan with light?

Just trying to replace an old Broan heater/fan/light with a new Utilitech one and very confused about how the wires are meant to go. I suspect the initial set up was not to code. Very novice on ...
1
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1answer
65 views

Any issues wiring bathroom exhaust fan to low-voltage heated mirror?

I'm in Maryland, US. I was hoping to wire from the switch: https://smile.amazon.com/gp/product/B01CXXZV96/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 to this: https://www.clearmirror.com/...
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3answers
45 views

Power a dust collector 2 different ways

Looking to power my dust collector in a way where with using a light switch in one position it is running constantly and the other position power is running through a power foot pedal to activate the ...

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