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.

learn more… | top users | synonyms

1
vote
1answer
69 views

NEMA 10-30 to European 220V?

I have recently relocated to the US and brought European 220V appliances with me. I planed to use power transformers from 110 to 220, but learned that I have NEMA 10-30 outlet in my home, which, from ...
0
votes
2answers
56 views

Trying to Replace 3-Way Light Switch

I'm aware that the WeMo light switch does not work as a 3-way switch, but I had purchased it before opening up the existing light switch plate and understanding the wiring I would work with. Anyway, ...
1
vote
1answer
66 views

Third Wire in 14-3 Wire Showing 50V When There Should be None

In the basement I have 19 recessed lights connected to 8 3-Way switches. There were dimmers on the 4 switches located in the main 4-gang box, and they were making a lot of buzzing noise. Not only ...
0
votes
0answers
65 views

How do I rewire two light fixtures controlled by two three way switches into two separate circuits?

I apologize if the title doesn't make sense so let me explain what I'm working with and what I'm trying to do. Currently, the light fixture in my foyer and the light fixture in my front hallway are ...
2
votes
1answer
97 views

Can I put dimmable LED bulbs in a ceiling fan fixture and wire it to a dimmer switch marked LED compatible?

Would there be any problems with putting dimmable LED bulbs into a ceiling fan fixture that holds three bulbs and wiring it to a dimmer switch marked LED compatible? The fan itself will be on just the ...
0
votes
0answers
40 views

Checking wire with a voltage detector

I have newly installed and wired 4 outlets and a switch from a junction box. The live wire has not been connected yet. From the junction box goes the wire to one plug outlet on the left. from the ...
0
votes
0answers
20 views

exterior electrical under overhang; can I run under 2" of insulation

I have a 4' overhang outside and recessed light boxes going in; no problem. I thought to run romex down over the sheathing but under the 2" of rockwool, 3/4" drain cavity, and 5/16 fibercement siding. ...
0
votes
3answers
109 views

Under Nec 2011, I need neutral to every switch box; can I just use 2 14/2's instead of paying extra for 14-2-2?

I have two deadend 3way switches planned for the box (on the same breaker). I have 14/3 for each one going on, but then learned of the new rule about needing neutral at every box. I thought to replace ...
5
votes
2answers
658 views

In electrical terms, what is the definition of a “disconnect”?

Santa Cruz County, CA, USA I'm working on a project that requires an electrician to install a "disconnect" at a building/shed separate from my house (as per NEC 225.31). I'm unfamiliar with this ...
0
votes
0answers
32 views

Why would my lights turn on for a second then go off?

My hall lights are on a 3 way switch they turn on and stay on from the switch closet to the front door, but when i use the switch at the end of the hall they go on for a second then go off. Any ideas ...
3
votes
2answers
93 views

Generally speaking, when is it necessary to install a sub-panel for providing electricity to an outside shed/office?

Santa Cruz County, CA, USA I'm in the process of building an outdoor office in my back yard (mainly as a "man cave" and quiet place to work from home). The picture makes it look large but it's ...
0
votes
0answers
33 views

Does NEC require a separate circuit for a whole house fan?

I can't figure out any additional details that would improve the question, so let me take this space to say THANKS for your help. I am in Los Angeles County if you happen to know of any ...
3
votes
2answers
110 views

Why “extra” power disconnect for small HVAC unit?

I am in the throes of learning enough to do a DIY install of a small heat pump package unit. The installation manual calls for (and suggests that NEC requires) a "fused disconnect" inline with the ...
2
votes
2answers
123 views

I have phantom electricity

I have three outlets in a room that are not on the same circuit as the rest of the outlets in two rooms. I have most of the circuits in the house mapped and identified on two breaker panels. The ...
2
votes
1answer
99 views

Running NM wire romex along rafters in vaulted ceilings

So my ceilings look like this: /\ I want to replace / relocate my breaker panel. The circuits run along the rafters into the attic space (small, cant stand up). My questions: Can I just fish ...
0
votes
2answers
80 views

Where do I connect the ground wire in the disconnect?

I had to put a disconnect after my meter, and run 4 cables to my main box. I had to remove the bonding screw in the main box, and separate the white and ground wires onto their own bars. The 2 hot ...
2
votes
2answers
102 views

Why does my new switch keep tripping the breaker?

I am attempting to enable a light switch in a bedroom that had the wiring but had no ceiling light fixture and no switch (just a blank plate). However, I am running into an issue and I want to seek ...
1
vote
1answer
147 views

Help wiring Bathroom fan

I am not 100% sure how to wire my new bathroom fan, and I am looking for a little guidance. (This is for a NuTone QTN130LE1) Here are the existing wires in the attic. I have a white wire, a black ...
1
vote
1answer
62 views

Electric Shock from concrete pad

MY band recently played a gig at a friend's farm. We set up on a concrete pad behind his barn. I received my first shock when I set my arm on the top of my guitar amplifier. It was a hot sunny day and ...
0
votes
1answer
75 views

100 amp disconnect

I have a 100 amp disconnect box after my meter and prior to my main box. I run 4 wires from disconnect to main. The ground and neutral are connected in the disconnect box and isolated in the main ...
1
vote
1answer
93 views

Should I have a 15 amp breaker instead of a 20 due to aluminum wire?

I've been digging into an addition to my house from the early 1970s (final permit signature dated 1973). It uses individual wires in flexible conduit from the panel through the crawl space, and NM in ...
0
votes
1answer
45 views

Should I replace a GFI in my kitchen that will not reset?

I have three wall plugs fed into a 15A wall GFI. One of the outlets has a refrigerator with a two pronged plug. When plugging in a toaster oven and countertop grill the circuit tripped and will not ...
0
votes
1answer
39 views

What is the right way to run ethernet wiring and electrical wiring in a house? [duplicate]

Im currently planning to build a 2nd floor in my home, I already know how to do the electrical wiring design according to the norm, however im wondering if its possible to run the ethernet cables ...
3
votes
4answers
120 views

How can I prevent water from leaking on an outlet?

I recently moved into a new house rental and am setting up my washer & dryer. I am uncomfortable with the proximity of our hot/cold water valves to our washer's power outlet and was wondering if ...
2
votes
1answer
101 views

How can I add a 3-way switch to my light? (confused about existing wiring)

I'm trying to install a 3-way switch for a specific light but I'm not sure how to do the wiring. The existing switch box has quite wires inside: 3x 12-2 1x 12-3 The hots (black) are all tied ...
0
votes
3answers
87 views

What is the difference between “Input” and “Output” values on power adapters? Which one represents the amount of power being drawn from a circuit?

I'm trying to get a rough idea for how much electricity I consume in my home office. I understand that there are a lot of ways to measure this kind of thing: Turn everything else off in all ...
5
votes
2answers
186 views

How can I secure NM cable to a metal stud?

I use NM staples to secure NM cable to wood studs but I am unfamiliar with the options to secure NM cable directly to metal studs despite trying a number of different search terms. Would it be okay to ...
2
votes
2answers
68 views

Why do my bedroom and kitchen lights switch off or on without operating them from the switch?

I connected a ceiling Fan to my En-Suit, and ever since that night, my Bedroom and kitchen lights are switching on and off at irregular intervals. But the fan is getting power from a circuit breaker ...
0
votes
1answer
51 views

What could be causing lights to be flickering and multiple breakers tripping and won't reset?

I was outside yesterday when my wife called to me saying the lights in the kitchen were flickering. Next thing I know the power to the TV went out so I went downstairs to the breaker box to find that ...
3
votes
1answer
187 views

Can I use an old 50 amp circuit that was previously used for an electric stove to feed a new sub panel in my garage?

I have a 100 amp service entry which is about 40 feet from the attached garage. Currently, I am only using 50 amps to feed the house and want to use the other 50 amps to feed my garage. I reside in ...
1
vote
1answer
43 views

Plug/fire stop holes drilled for running low voltage cable?

I am considering running a low voltage cable (probably Cat6, but maybe fiber) up inside an exterior wall, between studs, from basement to 2nd floor in an existing home in the US. I should get riser- ...
1
vote
1answer
22 views

Installing a ceiling light fixture in USA that was purchased in HongKong?

I purchased a light fixture on a recent trip to HongKong and someone told me that it would not be compatible with USA. Is this true and if so is there an easy way to convert it so I will be able to ...
0
votes
1answer
57 views

Why won't my lights light up, even though there's power to the lights?

I have new construction, one switch with power to it. From the switch I ran the wire to the first light(4 total) from the first light I ran wire to two different lights and then from one light of the ...
0
votes
1answer
37 views

3 prong to 4 prong dryer cord change

My 2 year old whirlpool dryer has a 3 prong cord. My new house has a 4 prong. The dryer doesn't have a spot for 4 wires. The ground wire coming from the dryer is attached to the dryer itself. A new 4 ...
0
votes
1answer
41 views

How can I turn off the power so I can safely replace a fixture?

I have old outdoor spotlight near door that needs fixture replaced. How do I shut electricity off to the fixture? My fear is, I will be electrocuted. :) Any help appreciated.
2
votes
2answers
283 views

If garage door circuit board is fried by power surge, wouldn't outlet also be fried?

The control/circuit board is dead in Wayne Dalton opener. Is covered by our American Home Shield warranty. However, because tech suggested to AHS work "approval dept" that it could have been fried by ...
2
votes
2answers
55 views

What could be causing an earthing fault in a specific socket?

When I connect a device to one specific plug socket, I get a current in the device body. When I connect the device to any other plug in my house, then the device is normal, i.e no current in the ...
0
votes
0answers
23 views

How would I wire 4 fluorescent lights inside an old oil company sign with one control?

I have an old oil company sign,(plastic). I've made a wood frame, and now I want to add (4) 4' fluorescent lights in sequence around the inside. I would like one control, maybe one plug-in with a ...
3
votes
0answers
71 views

Different circuit breakers keep tripping, some not re-setting

Background: South Carolina house built in 2009, assume all electrical systems, main panel and circuit breakers new at that time. I moved into the house in May having transferred from the UK. I brought ...
4
votes
1answer
93 views

How to get switched and constant power combo on an outlet

I have electricity coming into outlet box from two sources, one is coming via light switch and another one is coming from another outlet. So I want the top of the twin outlet to be controlled by the ...
1
vote
2answers
210 views

All outlets on one 15-amp circuit, need AC unit

The central AC in our apartment is not working effectively in the summer; we are running the AC continuously for 14 hours a day to keep the temperature below 80 degrees. As you can imagine, our ...
2
votes
2answers
133 views

What could cause my in-wall air conditioner to blow 3 power boards?

I've had my house for nearly two years, and suddenly my in-wall air conditioner stopped working. I replaced the main power board, and it worked again...for a week. I replaced the main power board ...
1
vote
1answer
22 views

replacing a light switch with a dimmer

I am replacing a single 3 light track style fixture in our kitchen with an Ikea track that will better light the space. Opening the switch box up this afternoon I saw that the wiring is a little ...
1
vote
0answers
27 views

Can I turn one set of twinkle lights into several by cutting the wire & adding new plugs?

I am working on a project for wedding reception lighting and would like to make several chandeliers using Christmas tree twinkle lights but the strands I have are way too long for one single ...
1
vote
0answers
19 views

Replacing a two prong outlet with a 3 prong/ 2 prong didnt have a grounding wire, can I replace them? [duplicate]

Can I just replace the socket with the 3 prong and not worry about grounding?
2
votes
1answer
31 views

What does “8(3)A” mean on a relay spec sheet?

In the specs for this heating controller (http://www.ecr-nederland.nl/files/lae_bediening_ac1-2w_en_de.pdf) the relays have a capacity of 8(3)A (top-right). What does this mean? 8A/3A?
2
votes
1answer
62 views

How should I wire my pool heat pump?

I am wiring a new heat pump-- 50K btu, 208-230v ~60 hz. Plaque on side says 12a running current, minimum 20a circuit, max 30a. My breaker panel for the pump is a sub panel running off the main with ...
3
votes
2answers
65 views

Can I put a UK 3 pin plug or use an adapter on a dishwasher I brought in South Africa?

can I put a UK 3 pin plug on a dishwasher I brought over from South Africa, or use an adapter? Thankyou for your help. Kind regards
0
votes
1answer
59 views

Question about electrical service for subpanel in pool house

I have a small existing pool house (built 1988) that has electrical service ran to it from the house distribution panel. Two breaker and two separate sets of wires go to the pool house, 240 single ...
1
vote
1answer
61 views

How to test appliances for energy used

My energy bill is twice (at least) as high as the neighbors with similar sized homes. Of course the hydro co. thinks their meters are perfect. I want to find out if an appliance is consuming much ...