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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4answers
89 views

Rewire polarized power receptacle that is installed backwards

The extension of the house I just bought seems to have the US 120V recpeticals wired backwards. The large blade tests hot and the small blade tests neutral. This and a bunch of other issues where ...
2
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3answers
46 views

Joining 10-2awg to 12-2awg wire

I have a 30 amp breaker with a 10/2 feeding a 220 volt dryer outlet. Currently it is powering an air compresser in the garage. I want to put in a 220 wall switch so I don't have to go to the panel and ...
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1answer
28 views

Wifi switched Elect Hot Water Tank

For a vacation home application, I am looking for a wifi controlled/linked switch for the 220v, 30 amp hot water tank circuit. I see that Rheem makes wifi controllers compatible with some of their ...
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0answers
27 views

Changing switch to dimmer (UK)

Right in the middle of this job and realised I don't know what I'm doing. I'm in the UK. I currently have a Crabtree switch (which I believe is called a single gang two way switch) on a light on my ...
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1answer
42 views

Will running cable near metal stair railing cause interference?

I want to increase the range of my router on the upper floor, for gaming in another room. For this, the cable will have to run alongside metal stair railing. Will this cause interference? Will the use ...
4
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3answers
439 views

How do I read the markings printed on the outside of electric wires?

In my recessed lighting project, I finished roughing-in the Romex copper wires and I was about to connect the recessed lighting wires when I noticed the wires from the lights are of a silver-colored ...
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1answer
37 views

Thermostat/electrical

I have a Honeywell RTH2510 series thermostat that I want to install in a condo with baseboard heating. I took off the very old thermostat that was previously installed and there are only two very ...
4
votes
1answer
211 views

Are these black marks near an electrical box signs of an electrical problem that I should be concerned about?

My garage has an electrical box with no receptacle in it, just wire-nutted wires. It came this way when I bought the house. A non-contact voltage tester shows that the black wires are hot. I was ...
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1answer
32 views

wire sub panel about 30 feet from main panel 50amp

Can I use #8 copper with a 50amp breaker to wire my sub panel using 3/4" electrical PVC pipe running two leads one neural one ground. I have a 125amp sub panel this is for a new addition with full ...
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0answers
33 views

power tripping but fuses not tripping

we had a bad storm a few weeks ago and my power to the house has not worked since. I have solar power with generator backup. I put the generator on and it's good from generator to power box but as ...
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1answer
38 views

I am going to install a ceiling light.

Our bedroom doesn't have an existing ceiling light. The switch controls the top plug in an outlet on the other side of the room for the lamp. I have been up in the attic already and can see the wire ...
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2answers
41 views

Can I use 12 awg ground copper for 14 awg electrical box wirings?

My electrical box has 14 awg wires and I have a 12 awg copper ground wire lying around. Can I use the 12 awg copper or do I need to get a 14 gauge?
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2answers
41 views

Staples in LVL beams: okay or to be avoided?

I just added LVL to both sides of the carrying beam in my basement which was overloaded due to a 2nd story added. The original built-up beam was three 2x8 nailed together. It was completely covered ...
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1answer
60 views

what is this load center amperage total?

Yesterday I took a picture but forgot to took the info plate for amperage rating on it. My main question: Is there a way to calculate the total amperage that load center currently has? Extra ...
3
votes
3answers
59 views

Adding a switch to a light circuit

I have a workshop with a single switch that turns on and off two sets of lights. The first set is a row of spots and the second, at the other end of the room, is a fluorescent strip light. The wiring ...
1
vote
2answers
172 views

Electric wall heater keeps tripping off. What might be the causes?

Just moved into a new house that uses in-wall electric heaters. Sooner or later, we'll be switching to a heat pump, but until then, I need these as it's getting cold. Our first floor has two heaters ...
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2answers
62 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.
1
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2answers
109 views

When are copper pipes a ground?

There is an exposed copper wire attached to the cold-water pipe near the dryer plug in my house. It's not attached to anything and I'm wondering when it would be useful if at all? This wire just ...
2
votes
1answer
53 views

Replacing light switch with dimmer switch… white wire?

On a three gang switch, I'm replacing a single pole light switch with an electronic dimmer and a second single pole light switch with a WeMo switch. The third switch is getting replaced with a ...
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4answers
134 views

Get electricity to outlet behind wall mounted TV

I want to install a recessed outlet behind my TV but I am not sure how to get electricity to the outlet. There is an outlet at the bottom of the wall, below the TV. Can I run a Romex 14/2 wire from ...
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2answers
57 views

What's the wattage of the heater

I have an in-wall heater with this label attached: How come it has 4 different currents/wattages listed? Which one applies?
0
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1answer
49 views

Separating two lights on one switch

I have 1 light switch that controls a fan/light and a pair of recessed lights across the room. I want to separate them and add another switch next to the existing one. Where do I start?
2
votes
5answers
416 views

Need copper to ground electrical box

I need to ground my switches by connecting the grounding wires from switches onto an electrical twist nut and pig tailing it it to the box. Does Home Depot or other stores sell little pieces of ...
3
votes
2answers
304 views

Should I downsize a circuit breaker from 40amps to 30 amps?

I just fixed a hard-to-find short circuit in my home wiring. I had heavy gauge aluminum wires running from two 40 amp circuit breakers to bring 220V to my electric cooktop. My guess is that those ...
1
vote
1answer
90 views

Wiring a Z-Wave 3-way auxiliary with neutral from other switch? (w/ diagrams!)

I found my question difficult to phrase, so I mocked the wiring diagram up in Photoshop. I have a 3-way switch setup like so: I am going to upgrade this to a Z-Wave enabled pair of 3-way switches ...
1
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1answer
79 views

Splitting a light circuit into two

I currently have a simple circuit. Three ceiling lights, and one switch. I would like to break it into two lights on that switch and the other light on another switch. Will I have to run all the ...
0
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1answer
51 views

how to hang 2-3 with ground nm-b cable from floor joists

I bought a house where the previous homeowner hung 2-3 with ground nm-b (cable) with metallic conduit hangers from wall studs below the floor joists. It looks like the hangers are cutting through the ...
0
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1answer
37 views

What device can I purchase to monitor my electrics long-term? [closed]

I currently live in a rented property that I suspect was wired up by a cowboy, the outlets are anchored poorly in the walls and the breaker board hums when any high-energy appliances are running. It ...
0
votes
1answer
45 views

Replacing oven element

The element in my oven died. I bought a new one and removed the old one only to find out I received the wrong element. When I went to put the old element back in the wires dislodged some on the ...
0
votes
3answers
124 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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3answers
107 views

Where should the ground wire go at a light switch with no ground screw?

I am going through some basic electrical stuff in a house that had some pro and some amateur work done. Some of the things I've been working on (e.g. light switches) have been wired correctly ...
4
votes
2answers
117 views

Testing 3-wire receptacles indicates no ground even though 12/2 w/ground wire is connected

I have an interesting question. I have a hundred-year-old house with electrical panel updated a few years ago by a professional electrician. I went around last week with a circuit tester just to make ...
0
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3answers
70 views

Installing a exterior light in existing vinyl siding

My house is a 50's cape which originally had clapboard siding. The previous owner put a layer of rigid foam over the clapboard, then vinyl siding. As far as I can tell, from looking at the wall ...
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1answer
52 views

How do I wire mutilple sections of lights with 3 way switches to same power source?

I want to wire four separate sections of lights for my basement from the same breaker. Three sections will be wired to 3 way switches, and one is a single pole. The previous set up was wired from ...
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0answers
35 views

Fitting glass lampshade given standard ceiling pendant

I have a standard British ceiling pendant room light in my hallway. I also have a glass lampshade (which is roughly a truncated cone in shape). I'd like to fit the lampshade on the pendant. The ...
0
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0answers
69 views

How do I connect this light switch?

I'm trying to replace my light switch, but I'm not sure what needs to connect to what. The first picture is the wires for from the new switch. The other pictures show the old switches and how it's ...
1
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2answers
56 views

Is having cloth touching a grounding wire ok?

In my basement, the ceiling of one of the closets is the copper grounding wire that runs from the breaker box to my water main. This wraps around the perimeter of the basement on the top of the rooms ...
0
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0answers
40 views

Electrical wiring does not work

Okay so I just got a new place it was built in the 80s. It is Also a mobile home. I am redoing all the light switches and outlets. I've done most of em and they have worked but with this particular ...
1
vote
4answers
63 views

Can outdoor receptacle go right over conduit leading to it?

Ideally, I would like to place an outdoor power outlet box right over this 1/2" PVC conduit leading to it so there is A) no conduit visible around the box and B) there isn't an extra 90° bend to make ...
0
votes
1answer
52 views

I want to wire in a single gang light switch for a lamp

I have a lamp with a weird switch on it so I want to attach a light switch to it and place it on the wall. I do not want to use an inline switch as they are often fiddly too. I have been trying all ...
0
votes
2answers
71 views

NEC Breaker Selection for Motor Loads

In the case of motor loads connected to a long branch circuit, why does NEC Table 430.52 limit selection of an over current protection device (OCPD) to a smaller size than the branch conductor will ...
0
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1answer
55 views

Electrical wiring question

These are the wires I found in my ceiling : I couldn't identify the color code (we live in the UAE, so there is no "natural" convention, and I'm used to EU convention). There is tension (voltage) ...
1
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2answers
76 views

How can I wire two closets from one power source?

We have two closets side by side. Ran black/white/green wires from power source to closet 1 light, then closet 1 switch, then to the closet 2 light, then closet 2 switch. Whoops. Obviously now the ...
1
vote
1answer
45 views

What is suitable method for controlling lighting based on pause/play? [closed]

I am in the process of turning my basement into a Home Theater. I have seen some people with home theaters where when they pause a movie it dims the lights up and I would love to use this feature. ...
0
votes
2answers
86 views

Fridge starting up turns TV on/off

I think this is simply because its old, but whenever the fridge "kicks on", it being on the same circuit as the TV makes the TV turn off/back on. Just curious if there is anything I can do other than ...
1
vote
4answers
100 views

Should I use 14/2 Romex or Armored Cable between plaster attic ceiling and exterior roof?

I am running wire for some recessed lights in my finished attic. It is a typical gable roof; the interior is plastered with 2x6 joists. Im curious to know if running Romex in the ceiling between the ...
1
vote
2answers
86 views

Mounting a relay socket to a junction box?

How can I mount a relay socket (such as this one) to a junction box with a blank cover in a way that: complies with the 2014 NEC won't surprise the next electrician working on the circuit (as I ...
0
votes
1answer
117 views

Illuminated Light Switch flickers

My illuminated light switch flickers when off. I've had it a long time and never noticed it flickering before. I recently had an electrician replace the 3 mini hanging lights I had that were a ...
1
vote
1answer
48 views

Gluing PVC junction box for custom size

I have a wall that's 2" deep. I'm using 4" square boxes for the outlets, as normal x-gang boxes are too deep. I'm need a 4-gang switch bank in one place. Would it be acceptable/wise to cut the ends ...
2
votes
1answer
99 views

Can I use a switch to toggle the neutral bonding on a generator?

I am in the process of attaching a 2-Pole transfer switch to my breaker panel and powering it by a 7500W generator. The generator is neutral-bonded-to-ground. I understand I have to disconnect this in ...