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 ...

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24k views

How do I wire up a 4-wire dimmer switch when I only have two 2 wires from the wall?

I'm replacing (yet again) my bathroom dimmer switch. The old switch had 3 wires: 2 black and one green. The two black wires were attached to the wires coming out of the wall and the green wire was ...
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2answers
455 views

bath exhaust fan light combo

I have a bathroom fan light combo controlled by a rotary timer. Can I get the light in the fan to operate with the switch for the vanity light in the same bathroom? Both switches are side by side.
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1answer
123 views

What should I do about nonmetallic sheathed cable that was wet?

The wire running to my dryer (240V) got wet from a leaking AC window unit directly above on second floor and tripped the breaker. I saw the ground wire paper was damp after removing the outlet cover ...
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1answer
333 views

How can I wire switch to convert a regular outlet to half switch?

I have a junction box with 2 switches: - Right switch controls the ceiling fan. - Left switch does nothing, but the black(hot) wire is labeled "Fan". The white neutral wire is not attached. I'm ...
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3answers
2k views

What is wrong with this panel wiring?

I have a main breaker panel downstairs, and a subpanel upstairs. After I hired an electrician to rerun the service entry cables, nothing upstairs is right, and all the upstairs lights blew as soon as ...
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2answers
179 views

Re-wiring a bathroom

So I have a bathroom that I am going to remove the old wiring, add a new breaker and pull new wire to from the breaker panel the bathroom. I want to install an exhaust fan and a vanity light on the ...
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1answer
147 views

Code compliance for outdoor 20 amp receptacle?

Looking to add a 20 amp receptacle on the outside of my house, on a separate circuit. I don't know what NEC codes to look out for. It will be on the outside wall of the house, if that helps. The code ...
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2answers
239 views

Lighted bookcase with capacitive touch hinge

A while ago I saw a lighted bookcase at a furniture store whereby you could turn its lights on and off (actually dim them by a couple of levels), just by touching one of the hinges on one of the ...
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2answers
6k views

Why did the neutral wire burn out in my electric shower?

I've had my shower fitted for about 3 years and just yesterday it went bang and stopped working. (My wife was using it and says there was a blue flame!) When I checked inside the unit I saw that the ...
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2answers
309 views

What's the easiest way to reframe a portion of a wall with minimal disturbance to the electrical lines?

I'm in the process of remodeling a bathroom and need to re-frame a portion of the wall that had water/termite damage. The wood work itself shouldn't be too hard but there are romex lines running ...
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1answer
321 views

How do I wire a light controlled by two switches?

The ballast in one of our oldest florescent lights finally died, so I thought it would be a good opportunity to replace it. The wiring was a bit of a jumble (I should have taken a photograph). We ...
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1answer
467 views

How to install ceiling light where there previously was none?

I want to install ceiling lights in two upstairs bedrooms in my house. There is a light-switch on the wall that turns power on and off to one of the electrical outlets. I would be perfectly happy to ...
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2answers
8k views

What is the proper way to leave unused nonmetallic sheathed cable inside walls or ceilings?

The question pretty much sums it up. I nailed through a live wire in my ceiling. Rather than splice it and install a jbox, I ran a new run to the outlet. However, I took a slightly different route ...
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3answers
2k views

Door open lightswitch for sliding closet doors

My closets are the kind with door doors, either of which slides to the side, overlapping the other. I'd like to have the light inside the closet come on when either of the doors is opened. This is for ...
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2answers
2k views

Use of combination CAFCI and GFCI breakers instead of recepticles

I am about to begin a project that will include one or two new circuit for outdoor lights and receptacles attached to the main building. I will probably installing a new home run line from the panel ...
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1answer
783 views

What's the recommended procedure for converting a single circuit light switch into two switches for controlling a bathroom fan?

I think my question might be similar to Controlling two fixtures on same circuit independently but I don't need anything as fancy. Summary: I'm remodeling a bathroom. Presently it has one switch ...
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2answers
161 views

Can I replace a junction box with a piece of conduit if I rewire the circuit completely?

I have a bathroom where the fixture was moved. Can I remove an old junction box if I use conduit joiners to splice in a piece of conduit ? I plan on rewiring the fixture from the switch after.
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1answer
609 views

How do I wire a GFCI switch/outlet receptacle?

I'm replacing a switch with a switch/outlet (GFCI) in my bathroom. The switch will control the bathroom exhaust fan. Currently I only have two wires to work with (hot & neutral...no ground). ...
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1answer
41k views

Wiring to a detached garage

I have a detached garage approximately 50' from the house supply panel. I want to wire 6 outlets & maybe 2 overhead lights. I will have no heavy use, mainly 1 outlet & overhead lights. I have ...
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1answer
4k views

Is there some kind of adapter for an old ceiling box?

I was replacing a light in the entry vestibule at our new house with a cheap flush mounted light fixture. When I removed the old light I discovered that the ceiling box is an old type with a cross bar ...
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2answers
836 views

What is the preferred method for removing & replacing electrical wiring in the garage?

I just purchased a house built in the mid-1990s in Kansas, U.S. The garage is generally finished: It has sheetrock walls and ceiling. It also has outlets spaced every 6 feet or so about 4 feet above ...
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1answer
415 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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1answer
123 views

trying to wire a light fixture in a 1923 house with knob and tube wiring

I am installing a new light fixture in my bedroom ceiling. Up in the attic, at the fixture there are three copperish looking wires (wrapped in cloth tape) coming in from different directions. I can ...
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5answers
29k views

Three dead power outlets, no tripped breakers

A few days ago I was using a multimeter to check for current to the thermostat on my garage refrigerator. I wasn't thinking and did something wrong (wrong HOT, I believe) and power to the refrigerator ...
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1answer
294 views

How do I properly install GFCI outlets with existing 12/3 wire in parallel and on a switch?

I am trying to help my inlaws with a problem in their living room. Two of their outlets stopped working and I don't really know why. The outlets were wired to a switch in the hallway, which ...
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2answers
103 views

Testing circuit breakers?

I have a panel of type XO circuit breakers in my house. One of them has failed closed (!) and I need to replace it. However, a few minutes on Google seems to indicate that this type of breaker is no ...
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2answers
151 views

new electrical outlets and switch pop breaker [duplicate]

We have a house from the 1960s with armored cable and metal boxes. I was trying to replace the outlets and a switch in the kitchen so they weren't almond/painted but the new outlets and switch keep ...
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2answers
247 views

Lighting in the hall: How to substitute a missing wire?

I have a problem with the lights in my appartement. The current setup is below (and photos further down): simulate this circuit – Schematic created using CircuitLab There are two ...
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2answers
2k views

Adding USB Dual Port Charger Receptacle Blows Mains

I purchased a Hubbell "USB Dual Port Charger with 15A Duplex Receptacle" from Lowes to replace the duplex receptacle on my kitchen island. I first opened the circuit labelled for the island. The ...
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2answers
426 views

Can I use these replacement ballast even though the yellow wires are on the opposite end?

I am trying to replace a ballast for my garage lighting. I removed the old one but there are absolutely no markings, numbers, diagrams or anything on it. It is a 2 lamp 120V fixture with 40W T12 ...
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3answers
6k views

Electric panel distance from windows and/or gas service entry

I can't find anything specific anywhere else, but what is the minimum distance a main electrical panel can be from a window when the panel is mounted on the outside of the house? Additionally, is ...
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2answers
55 views

Garbage disposal Power source

I just replaced my garbage disposal following the instructions from a youtube video. I followed the instructions which to summarize were: 1. Flip the breaker to off 2. Switch the garbage disposal ...
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4answers
7k views

Do under cabinet electrical outlets meet code and be passed by NEC in new construction?

I would like to have the quartz back splash be clear of outlets and have them in a strip at the back under side of my kitchen cabinets. The electrician currently is telling me that these strips will ...
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2answers
143 views

Should I reconfigure my shared neutral breakers to have tied handles

I have several shared neutral circuits in my house (built in CT approx 1980) that do not have ties between the breakers to ensure that both are turned off together. I'm not 100% positive that they ...
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2answers
4k views

Installing a fixture with no ground, no ceiling box

I recently bought some nice track lighting to brighten a room who's only light source was buried in a corner. I removed the old fixture and found (to my horror) this: Two wires, no ground, no box (...
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1answer
820 views

Is a weather resitant gfci required outside in a metal box with in use cover?

I have a pool that is just off my deck. The gfci i have went bad so i need a new one. It was a 15 amp gfci in a metal box attached to 1/2 in emt conduit with a metal box and a non in use cover. Thi is ...
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2answers
58 views

What's the name of type of AC Circuit where you can remove an element?

There are different type of circuits, such as parallel and series. I'm wondering the name / type of the [AC] circuit where there are n number of circuit elements and even if one element is removed (...
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5answers
16k views

In a multi-gang box, are neutral wires paired with specific hot wires?

I have a four-gang box that I'm installing new dimmers in. Currently all of the neutral (white) wires coming into the box are connected together (and not to the dimmers). The new dimmers require ...
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1answer
1k views

Should I put a basement dehumidifier on a timer, or trust the hygrometer?

Dehumidifiers draw a LOT of power (as you might expect of something which is basically a modified air conditioner or refrigerator). I do want the humidity in my basement kept at a comfortable level, ...
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2answers
1k views

What's the amperage on a circuit breaker that's “linked” together?

On our circuit breaker, we have several circuits that are linked together by a metal handle. For instance, there are several cases of three 20A circuits all linked together, meaning you can only flip ...
2
votes
2answers
489 views

What size replacement fuse is required for this hot tub?

I recently had a power outage that blew one of our air conditioning fuses (which we were able to fix) and one of the fuses (out of two) in our spa equipment service control board. Next to both fuse ...
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1answer
919 views

Wiring GU10 Sockets: Cables are of same color - which one should be “live”?

Question: How can I know which cable should be "live" and which one should be "neutral", or does it not matter? (GU10 socket).
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0answers
266 views

What codes are invovled in running an overhead subpanel feeder to a detached garage?

This subfeeder will be going to a detached garage about 30ft away, and powering a 100amp subpanel. I'm not sure what codes are involved in this feat. I'd like to know the codes involved for compliance....
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5answers
32k views

Why do I have a green light on my GFCI but the outlet will not come on?

While cleaning, my niece sprayed my GFCI outlet causing it to go out. I attempted to reset it but came up with negative results. I purchased another one, hooked it together (green light came on ...
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1answer
332 views

Controlling two fixtures on same circuit independently

I currently have an existing loud bathroom and a ceiling light on he same circuit. The wiring goes from the switch to the ceiling box and then to the fan. Both of these are controlled by the same ...
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2answers
1k views

Why do my fluorescent lights turn on slowly or not at all in the summer?

We live in Florida, and the fluorescent lights in the kitchen turn on very slowly (if at all) in the summer. Other clues are: They work fine in the early morning Later in the day (hot day) they ...
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1answer
177 views

Adding circuits in a sub panel

I have a 50 amp sub panel in my basement with 6 circuits in it, which is not enough. How many circuits can I run with a 50 amp service?
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2answers
220 views

How to fix double-tapped 14-3 cable to boiler

I have an oil boiler for heat. 14-3 cable runs from the panel to a thermal cutoff above the boiler, then into the boiler's control box, and from there to a Taco controller that manages three zone ...
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3answers
452 views

Home Theater projector re-searches for input when power surges (light/ac/fridge turning on or off)

I live in the US and have an interesting problem with my home theater system that Google couldn't quite solve for me. My home theater setup is as follows (I can provide model numbers upon request, if ...
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1answer
383 views

In the UK, what type of flexible conduit should I use for electrics in shed that run underground and emerge through the concrete base?

In the UK, what type of flexible conduit should I use for electrics in shed that run underground and emerge through the concrete base? I see various standards quoted such as IP66. Would this be ...