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.

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Adding recessed lights to existing ceiling fan connection

I replaced an old ceiling fan in my sons room that had a light fixture and dimmer switch. The new ceiling fan only operates with a remote that it came with. No pull strings for the light or fan. I ...
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2answers
21 views

Is a grounded (neutral) conductor required at a switch location that controls a switched receptacle used for lighting?

The National Electrical Code requires that all habitable rooms and bathrooms, have a switch controlled light (210.70(A)(1)). It also allows a switched receptacle to be used, instead of a lighting ...
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0answers
23 views

High electric bills due to electric problem [duplicate]

We get a low voltage shock when you touch metal with wet hands. When the electrician was at our house he turned off the main that supplies power the house and went around the house with a voltage ...
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1answer
14 views

after power cut - fuses all on and no power? (to pool filter)

We had a power cut last night due to a thunderstrom and this morning our pool filter wouldn't turn on. I checked all fuses in the fuse box, and everything appears to be switched on. I have a ...
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1answer
30 views

Air conditioner works in an outlet but not a timer

I have a wall unit air conditioner that works fine when I plug it into any outlet or power strip. However, when I plug it into a timer or a thermostat timer, which is then plugged into an outlet, the ...
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1answer
2k views

Is this a fire hazard?

I was going to change a light switch and repair some wall damage. When I started opening up the wall above the switch, I saw the electrical wire clamped to the stud. I noticed black marks around it. ...
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1answer
49 views

Electrical appliances on one outlet

Firstly, this is in France so we're talking 220V power. I've got two new single/individual induction hobs. They're both 2100W at full blast. I'm replacing a double hob unit where one hob was 1900W ...
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2answers
272 views

Explain voltage readings on NEMA 10-30 socket

The clothes dryer in the garage is plugged into what appears to be a NEMA 10-30 socket (receptacle). Reading the voltages on the socket with a multimeter, the voltage between the two diagonal ...
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1answer
21 views

Any issue connecting neutral and ground of bluetooth light switch to ground (or neutral)?

I'm installing a blue-tooth light switch that has live, bulb, neutral and ground. The light switch that's being replaced has 3 wires, black, white and exposed copper (I'm guessing that's neutral or ...
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0answers
15 views

Multile (Isolated?) Grounds for Electronics Test Equipment [on hold]

So I'm not really sure which forum (this or the Electrical Engineering Stack) was the more appropriate one on which to ask this question, so I figured since it had to do with possibly digging a hole ...
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1answer
15 views

Camper 30 amp plug. Trying to make my own

I have a 10 Gage 600v cable with four aluminum conducters. How long can I make it for a 125v 30 amp camper plug? Also I'm having trouble with the male side of the plug if you had a picture of the ...
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0answers
22 views

Electric Stove Smooth Heating Elements - How Should They Be Wired?

I have a question. My oven has just 2 heating elements (the other side grills or griddles). Whoever wired it did so with only 3 contacts. One contact is hooked to 2 wires with each one going to a ...
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1answer
27 views

Is it safe to put a window a/c unit over kitchen sink window?

Pretty self explanatory. I have a small window unit that would fit right over my kitchen sink window. About 2.25' of clearance above the counter top. Just thinking being near a water source may be ...
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3answers
33 views

how can I fix a tripped breaker?

how do I fix a breaker that trips when the window ac is on? I have tried unplugging other appliances . The breaker box is an old one.
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2answers
319 views

Are LED's always necessary/desirable?

I don't need or find it aesthetically pleasing to have little green micro-energy leeches illuminating every outlet and switch in my home. are there any GFCI's/outlets/switches that are LED FREE for ...
4
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1answer
136 views

Can light fixture be installed in attic hatch?

This is a rather unusual scenario but is it compliant with the NEC to have a light fixture installed in a door that moves, e.g. an attic hatch? I have a hatch to my attic in the middle of a closet ...
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0answers
37 views

Can NM cable be exposed in attic?

All the visible cables in my attic are old armored cables, thus protected from possible critters trying to chew them (I've had squirrels there before) and other forms of direct impact. As I'm doing ...
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0answers
41 views

How to connect two dimmers to control two sets of lights independently

I have just moved to Germany, and have a room with a double-gang system. The lower is a rotary dimmer which controls the lights in the kitchen, and the upper is a double rocker switch that simply ...
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1answer
26 views

Accepted electrical raceway material to residential detached garage

When exiting a home with an electrical raceway to serve a detached garage, is PVC a generally accepted (code-worthy) raceway material to use? My feeders are carrying one 20A dedicated circuit. My plan ...
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1answer
23 views

Are HVAC Transformers Interchangable (if their power ratings match)

I'm troubleshooting the blower not starting in a friend's HVAC system. We think the issue is either a) a blown transformer, or b) the relay that controls the blower has blown. The next step is to ...
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1answer
28 views

Easiest/affordable way to monitor what's using power in your home?

My electric bill seems to be unusually high. I'm trying to figure out if there is an issue somewhere (faulty wiring, someone stealing power etc) or if one of my devices is a power hog. Does anyone ...
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0answers
19 views

Both A/C air handler and outside unit won't turn on

I went to turn on my A/C for the first time this year, and nothing happened. I checked power to both the air handler and outside unit...both at getting 220v going into the boards on each. I then ...
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3answers
65 views

Can I buy or make an adapter to hook 2 generators together to run a 220 volt welder?

Can I buy or make an adapter to connect 2 generators together to get more amps for my 220 Arc Welder?
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3answers
68 views

How can I wire two switched outlets but power is connected at the first outlet?

I'm trying to connect a new switch and two new outlets (from switch) to an existing electric line. This new switch should turn the two new outlets on and off. However, I'd like to connect it as ...
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2answers
19 views

Grounding metal box joining two BX cables without ground

If I have a metal handy box used to join two legacy BX armored cables that don't have a ground wire, do I need to ground that box like I would with NM cable by connecting the box with the NM ground? ...
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1answer
28 views

New junction box, or pigtail within receptacle?

I need to add a wall receptacle in a bedroom. (There aren't enough outlets as is.) The bedroom is on the main floor of a 1-story house, with an unfinished attic and an unfinished basement. Walls are ...
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0answers
18 views

Electrical — Open Ground on One Tester, Correct on Two Other Testers

Very Simple: I have a multi-unit building that had two separate outlets in different rooms with open ground readings on an outlet tester. Grounded each separate outlet to a nearby junction box with ...
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2answers
81 views

why is a service neutral grounded but not the subpanel-neutral?

I know it's code (refer to NEC 250.24(A)5 and 250.32), but I don't understand why you can't use a bonding jumper to connect the ground bus and neutral bus in the subpanel? I've been told it's because ...
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2answers
71 views

What are the potential dangers of not removing the tabs on a split receptacle?

If I feed a duplex receptacle from two separate branch circuits, I'm supposed to remove the jumper tabs between the receptacles. But what would happen if I didn't remove the tabs?
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1answer
42 views

Is there such a thing as a backless junction box/conduit fitting?

I have a battery enclosure for a small off-grid solar installation, and I want to run the battery cables out of the enclosure to the DC breakers and inverter. I'm looking for a backless junction box ...
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2answers
73 views

Electricity passes through a bulb holder, even when the switch is off

In my home, electricity passes through a bulb holder even when the switch is off. I heard that happens due to 3-way switches. Could anybody tell me if it is okay or worth worrying? Update Let me ...
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0answers
12 views

Missing Remote. How do I control this Split Type Air Conditioner?

This is a long shot, but I'm open to fun ideas (Universal Remotes? A Raspberry Pi with some shield attachments that can be programmed to speak to this thing?) I'm in a rental unit where we have an ...
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0answers
31 views

Best way to wire in a subpanel in an outbuilding?

I've been asked to help a woman add electricity to her shed/kitchenette/classroom. I went to school for commercial wiring and have not held a job as an electrician in over a year, plus I don't have my ...
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2answers
149 views

Can I use an outdoor 8/3 wire to hookup lights outdoor?

I have removed a hot tub from my house and want to know if I can use the cable for some outdoor lights. The wire is a 8 gauge 3 wire hooked up to a double pole 50 Amp breaker. It is a lot of wire ...
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1answer
120 views

Electrical problem

In my house we get a low voltage shock when you touch metal with wet hands. We had a electrician in who told us it was a problem outside our house. He said it had to do with the transformer that fed ...
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0answers
64 views

AC Unit does not receive 24 volts on outside unit

My outside unit does not turn on itself, but it does work. I just did a quick repair just thinking it was the capacitor and it was only 15 dollars for a new one so I changed that out and still had the ...
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1answer
38 views

New cooktop has aluminum wires

New cooktop has aluminum wires. Is it ok to connect those wires to the present outlet which had copper wires connecting the old cooktop? Thank you for your help
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1answer
57 views

13-Amp lawn mower + 10-Amp cord tripping 15-Amp breaker?

To illustrate, I have the following setup: 15-Amp breaker 100ft 16-gauge extension cord rated at 10-Amp 13-Amp corded electric Lawnmower When I make the mower work extra hard by trying to mow some ...
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2answers
76 views

Dishwasher Power Cord has Two White Wires. Isn't the wide one neutral?

A contractor hooked up our dishwasher this way (see image), but I believe it's wrong. The dishwasher's hot (black) and neutral (white) wires are the ones going into each wire nut from the left side. ...
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1answer
32 views

How to wire an outdoor GFCI with two pairs, both hot?

I have an outdoor duplex outlet which was not GFCI, nor was it protected by a GFCI outlet indoors. I tried to tone the outlet to find the specific circuit, but could not, so I shut off power at the ...
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0answers
20 views

4 white wires in original light fixture? Help! [closed]

I'm replacing an original light fixture in my 50's era ranch with a celing fan. I've done this before, but there are 4 white wires! I connected two, and just left 2 and wrapped them in electrical ...
0
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1answer
71 views

Why did I need to switch several appliances in order to power my electric stove?

This is a bit more theoretical but I am confused as to how this may have happened. I own an electric stove that is plugged into one of those large 240V sockets on the wall. Yesterday when I switched ...
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2answers
57 views

How to size an earth continuity conductor?

For the line wires, I just check the maximum load current and select a conductor from the manufacturer datasheet that can support that maximum current. What about earth continuity conductor, how it ...
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2answers
136 views

How to diagnose a broken transformer?

I have a 2000w, 240 -> 120v transformer. It's a Bronson++ AVT 2000, with a continuous max wattage of 1200w, meaning if running for over 30 minutes it should be under 1200. I ran a 1500w blender on it ...
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1answer
18 views

I need to replace the spring-loaded lighting cover for the light in the tub

Anyone know where I can get a trim kit for this basic round ceiling light? It has an outer edge/flange that seats against the ceiling and there is a plastic light cover inside the outer edge. It has ...
0
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1answer
14 views

electric water heater wiring [duplicate]

Main panel has one 100 double breaker and two 60 amp double breakers. There are extra slots for more breakers. Can I install a 30 am double breaker in on of the extra slots to wire up a 30 amp ...
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0answers
15 views

Wiring Breaker for electric Hot Water Heater [duplicate]

I have a breaker panel with one 100 amp double breaker and two 60 amp double breakers. There are other slots for more breakers. Can I add a 30 amp double breaker to this panel with the correct wire 10 ...
0
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1answer
29 views

Is there a functional electrical difference in a wire splice vs a second line

The three wire connections as shown. A splice O-rings bolted Double slide-on I can understand why there may be connection type diferences for ease of construction. Are there any ...
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3answers
54 views

120 V between Ground and Neutral?

I had a new cooktop installed but it does not work. The unit replaced an old one and was simply plugged into the existing outlet. After checking the basics (no tripped breakers, etc), I whipped out ...
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2answers
49 views

wiring breaker box

My second question is, there is a main panel with a 100 amp double breaker and two 60 am double breakers. Prior owners run a line off the 60 amp double breaker to the wash room washer and dryer. Can ...