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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3answers
101 views

How can this panel pull 100A without any breakers tripping?

I have a three phase panel fed from a three phase 100A breaker on another panel. I found the 100A breaker tripped on the main panel, but none of the breakers in this panel were tripped. My ...
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3answers
56 views

240 volt house wiring, 130 volts on one leg and 112 volts on the other?

In my folks old farm house, at the panels main input from outside. L1 is 130v. L2 is 112v. When a load is applied both legs down voltage, allot! Anywhere from 10 to 20v. The wires running from the ...
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2answers
50 views

GFCI pops when the heater comes on

Just wired a new heater like this and the GFCI pops when the heater comes on. Can someone explain to me why this is happening?
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3answers
109 views

Will 2 multi-port USB chargers overload a 13A socket?

I am a bit confused about some supposedly basic electronics concepts :/ (I kind of have an answer but just want to confirm) So let's say I have got this setup: A 13A 220V mains socket A 13A ...
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1answer
150 views

How can I tell if two outlets are on different phases?

I have a house that had a 240v stove in it, and then was replaced with a gas stove, all before I bought it. There are two regular 120v outlets under it, that are both 120v, and the gas stove is ...
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4answers
187 views

Strengthen repaired cable?

The other day, I accidentally cut the power cable on my lawnmower (you can guess how). I later repaired the cable by stripping off the cable coating and wrapping the relevant wires around one ...
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3answers
2k views

how many ring or radial socket makes a circuit

like how many sockets can one have on a either ring or radial circuit planned to be protected by 20A breaker
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4answers
918 views

Should a neutral wire ever be connected to the neutral for the power meter?

I was not working with this circuit breaker box but I was interested to see what was going on with only 3 breakers for the entire apartment. I found a neutral from the apartment going into the ...
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2answers
2k views

Why aren't my PIR security lights working through my window?

Can any one help? I purchased a solar powered PIR security light, with the intention of putting it inside my kitchen window. The PIR would be inside the window, but this does not work. When I go ...
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2answers
188 views

How can I prevent multiple socket from being damaged?

I have the following setup at home: one PC (300 W PSU) two 22 " TFT monitors a speaker system one external hard disk with separate PSU - all of the devices are plugged into a multiple socket ...
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1answer
65 views

what is code for jboxes in celing joists that I intend to cover with plywood?

If I cover the boxes and properly secure the cables per code can they be hidden or do I have to surface mount them?
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2answers
54 views

Why does this switch trip the breaker?

I have been living in my house for 8 years now, and there has always been a mystery switch and outlet (both located on the same wall). My wife has rearranged the room, and now we will need to use the ...
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2answers
67 views

20 amp wires into 15 amp outlet

I'm replacing a hall way outlet that only runs the hall light. I have the 15 amp outlet and the wires coming out of wall are too big to fit in holes. Guessing 20 amp? Is it ok to just wrap them around ...
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1answer
44 views

can i change out (2) 30-amp breakers with (2)40 amp breakers

replacing water heater with a tankless one, breakers have to be (2) 40 amp I have (2)30 amp breakers now the electric wire is 10-2
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2answers
66 views

No outlet in bathroom?

My 1950's era house doesn't have any electrical receptacles in the bathroom. Doesn't the Building Code state there should be? I reside in California N.A.
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3answers
196 views

Is this true about circuit breakers being out of phase in a house?

I just read this on another message board: If you know which breaker each outlet is on, it's easy. Breakers that are directly adjacent to each other (above/below or left/right) are on ...
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2answers
100 views

Exposed wiring outside

I tore down an old shed that have electricity going to it. Now the shed is gone but I have an exposed wire outside. I want to install a small street light there next spring but what should I do with ...
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3answers
272 views

Distance between floor and breaker panel?

How far off floor should circuit box be? Changing from 100 to 200 amp. Lead in wires are underground and come into bottom of box making them too short to connect.
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4answers
624 views

Using indoor-only Xmas lights — in the outdoors, where they'll get wet

Imagine that you bought a few strings of incandescent Xmas lights. They are rated for indoor use only. The tag says not to use them outdoors. They aren't any cheaper than the outdoor-rated lights ...
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3answers
881 views

Want to add outlet to bathroom

I have a bathroom with only a light switch and no outlets. The wiring is old so there are no ground wires. Can I put an outlet on that circuit and if so, should it be a GFCI?
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1answer
393 views

Three-way switch problem, potentially faulty

I have a fairly specific question related to three-way switches. While I understand in principal how they work and how to wire them (I think anyway), my specific wiring is not generating the expected ...
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2answers
719 views

Why two breakers (one for the line, one for the neutral) on a single-phase line?

I'm wondering why in my house I have a tied-together pair of breakers (one breaker for the hot line, the other for the neutral) for one geyser, while my other geyser only has its hot line with a ...
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2answers
194 views

trying to save a cheap electric driller

I wanted to use an old electric driller that it's battery has worn down and i couldn't find a new battery. on the battery it says 7.2V. So i took a AC-> 7.5V DC 1A Transformer and used it in place of ...
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2answers
52 views

Should I install a sub-panel or add a second service drop?

I am considering converting my barn into a woodshop. It would require me upgrading the current wiring to handle the tools that would end up in the shop. I have a very old farm house and the main ...
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3answers
45 views

GFCI Outlet Neutral Shows Hot

I have a question about whether a GFCI outlet leaks power to the neutral contact. I have a 12 AWG (Black/White/Bare) wire coming straight off the panel directly to a GFCI. Prior to wiring the GFCI, ...
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2answers
83 views

Can I bring power to the 4-way switch?

I have a standard circuit with a 3-way switch on each end and one 4-way switch in the middle. Will it work if I run power to the 4 way switch instead of one of the 3-way switches? The light is also ...
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2answers
71 views

Why would power go off and on after replacing an electrical panel?

I replaced an old 109 amp panel, with a new 100 amp main breaker EATON with 20 spaces. Now my wife says the electric goes off and comes on. Can anyone think what could be the problem?
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2answers
69 views

How can I detect the total ground fault leakage current in my home?

In Europe, houses often have all breakers chained beneath one or more RCDs (their word for GFCI). I would not want the nuisance of multiple circuits shutting off at once, so I'm glad in the US we ...
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1answer
148 views

How deep are gas lines and electrical lines under ground (to code)?

Before I start, I know I should always call Diggers Hotline (or comparable service depending on where you live) to have them mark all under ground gas & electrical lines. At what depth ...
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3answers
91 views

Safest electric cable to use in insulated walls and attics, fire prevention

Is there any standard out there in terms of ranking residential electrical cable options for fire safety, specifically in enclosed and/or insulated spaces? I've read that old knob & tube is ...
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3answers
87 views

Can I use a rheostat as a potentiometer?

Is it possible to safely use a rheostat as a potentiometer to control an incandescent ceiling light? I have replaced a ceiling fan with a light fixture and would like to use the existing rheostat as a ...
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1answer
61 views

Light fixture wiring

I might be a bit paranoid but it's electricity! I removed an older light fixture from my kitchen ceiling and am ready to attach the new one (Ikea). I just want to make sure that I am doing it ...
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2answers
168 views

What cable do I need to run from my main breaker in the house underground in schedule 40 conduit to my garage?

Well, we finally closed and moved in to our new home. I called around and the electrical contractors in my neck of the woods are ridiculously expensive. So Off to Lowes I went. I bought a Eaton 100 ...
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2answers
322 views

Electrician Terminology “FAU”

I've noticed these letters several times written on the circuit breaker panel door. Does someone know what F.A.U. stands for in this context?
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1answer
51 views

How do GFCI breakers behave on two wire circuits?

Will a GFCI breaker nuisance-trip if a three prong outlet has a jumper between ground and neutral on an old two wire system?
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1answer
41 views

open neutral caused from changing water tank?

I had my water tank changed and since then my dish washer does not work. There is no power to it from the existing wire. Ihave since turned off the breaker to it changed it and nothing. There are no ...
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4answers
274 views

Should I be switching just the hot, or both hot and neutral?

I'm thinking of building my own alarm clock because none of the one's I've found are meeting my needs, and because it's kind of fun. I am a bit out of my depth on at least on part though, and I want ...
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3answers
564 views

How can I figure out why my Sears Craftsman garage door opener will not work?

I have tried troubleshooting my Craftsman door opener (model 139.53325SRT), because it will not close. It will not close when pressing the wall switch: the opener light just blinks if I do that. ...
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3answers
179 views

How to repair an electric outlet which died while running a carpet cleaner?

I ran a carpet cleaner in my condo for the first time in a bedroom and the outlet and lights died. Then I went to the living room and ran the cleaner and the outlet died too. But I was able to use two ...
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1answer
174 views

How do I figure out what this 30amp 2 pole breaker is doing?

I have am looking for space in my circuit breaker panel to do an upgrade. There is a 30 amp dual pole breaker labeled "water heater". Our water heater was upgraded to a tankless about 6 years ago and ...
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1answer
200 views

What should I do if wire gauge is too large to fit into a screw terminal?

First time poster here. I am working on a robot controller that requires mains power. I was provided 10AWG wire (the unit recommends 14-10AWG, and this is National Electric Code FTR). I took out the ...
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2answers
6k views

Use existing light switch to also power bathroom exhaust fan?

The builder of my house neglected to place an exhaust fan in my guest bathroom. When I brought that to their attention, they replied that code only requires fans in bathrooms that don't have ...
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2answers
1k views

can we use UPS as stabilizer for 1.5 ton AC?

I bought split A.C 1.5 ton Samsung AR18FC5efbh model. Can I use an 800VA Microtek UPS as stabilizer for this 1.5 ton A.C? AC Specs ...
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2answers
296 views

What would a circuit labeled “Heat Trace” be used for?

I have just purchased a brand new (just built) upmarket apartment and having been looking through the circuit board and have come across a circuit labeled 'Heat Trace' I do not understand what 'Heat ...
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3answers
206 views

What could be wrong with this receptacle?

the power outlet where my tv was plugged in lost power all of a sudden. However, when I plug in a receptacle tester, the power goes back on but when I remove the receptacle tester, power goes off ...
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1answer
53 views

Safe way to remove an outlet

We recently removed a wet bar from our living room and we're going to replace it with a kegerator. On the wall above the wet bar, there are currently two switches and one outlet, but not in a row; one ...
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1answer
19 views

Electrical light switch circuit split

I have one inside switch that turns on 3 porch lights. I would like to install a ceiling fan where the middle light is but do not want the other two lights on the same circuit to turn on. How can I ...
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2answers
66 views

Can I take power from the hot line on another switch in a multi-gang box?

I have been working on wiring a Z-Wave 3 way dimmer. In my current three way configuration, I only have line, ground, and 2 travelers in the remote box. In the primary box, I have 2 travelers, ...
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1answer
40 views

How to determine if a circuit breaker has GFCI

I recently discovered none of the grounds in the three-prong outlets in my house are connected to anything. AFAICT the only way this is allowed without GFCI outlets is to have GFCI circuit breakers ...
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2answers
57 views

Will a 1500VA autotransformer do the job for an appliance with 13A and 120V?

I have a device that says it is 1500W. However looking at the specs, it says it is 13amps at 120V. If I multiply A x V then that is actually 1560W. I'm just wondering, if I then get a transformer ...