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
82 views

Can a 220V AC to 12V DC adapter be plugged into 120V mains?

I ordered a piece of equipment with a small low-RPM electric motor that came with DC adapter. It's marked ANGEL MODEL SG-4805 DC 12V AC ADAPTOR HA 10025-2003A AC 220V 16VA 50/60Hz DC 12V 850mA ...
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1answer
34 views

Unswitched hot in Fixture Junction Box

A comment on an answer to this question seems to be saying that its illegal for an unswitched hot to run through a light fixture junction box, even though its not connected to the fixture at that ...
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1answer
91 views

Dug up an outlet- how to safely fix it?

I bought a house from an older lady last summer with a pretty elaborate backyard. I noticed in the evenings, lights would turn on around the perimeter and shine on some of the trees. Then after a few ...
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2answers
61 views

How do I add an electrical switch for a closet light using an existing light switch?

I currently have a bedroom in which a 15amp single pole switch is wired to the light in the room. Power is coming from the light. The two brass terminals on the switch have the white (which has black ...
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0answers
24 views

Thermostat replacement in a double wide

We have a new double wide and I want to replace the thermostat with a new programmable one. We took off the old one and it has 3 red wires, 2 yellow, 1 white and 1 green. I get the 2 red indicate a ...
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4answers
76 views

What could cause a 3-bulb fixture to blink when turned off?

Two new lightbulbs(energy efficient spiral) blink rapidly when I turn OFF the switch for the 3 bulb fixture in my kitchen. House built in 1912ish. My house but previously had tenants. They only had 1 ...
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2answers
38 views

wall mounted switch to control a motor

I have a motorised shutter and I need to buy a in-wall switch to automatically stop when the shutter reaches the floor or the ceiling by only one push and not keep holding the switch.
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2answers
64 views

One 4-way switch and two 3-way switches

I decided to be handy and change all of my receptacles in the house. Everything went well until the garage. There are 3 light switches in the garage that go to 1 light source that has me stumped. Two ...
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1answer
46 views

How do I wire a 3 wire receiver unit to a ceiling fan that has 6 wires from the fan unit

Original switch was a mechanical wall mounted (plugs into an electrical outlet) push button switch (3 buttons for each of 3 speeds, 1 button for the light, one off button and one slide switch for ...
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1answer
20 views

New thermostat for electric radiant ceiling heat

I live in the Pacific NW where radiant ceiling heat is common in older homes. I a have home built in 1969 and want to upgrade the thermostat to something newer that we can program and save money. This ...
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4answers
715 views

Is it acceptable to run 10-3 wire to a 110V 20A junction box?

I have leftover 10/3 wire from a 220V outlet installation. I need to install a 110V outlet and splice to an existing junction box. Using the existing 10/3 wire will save me a trip to the store. At ...
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1answer
41 views

Which Component Is Broken in the Refrigerator

My freezer and refrigerator are too warm and I want to know why so I can fix it or at least not be swindled by a repairman. The fans work. The evaporator obviously does make the air colder given the ...
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2answers
38 views

Noisy exhaust fan starting itself

Our bathroom exhaust fan is located on our second floor bathroom. It's the original installed in 1986. Suddenly, it started to make an unbearably loud noise upon operation. So loud that the sound ...
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2answers
72 views

How to wire switch with 8 gauge wire?

I want to connect 8 gauge wires to a 30 amp safety switch (http://smile.amazon.com/Leviton-3032-2W-Toggle-Double-Pole-Grounding/dp/B002MPPTBQ), but the wire is too thick to wrap around the screws on ...
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2answers
50 views

How can I figure out where power is coming from in 4-way switch wiring?

My 4-way switches work correctly. I would like help figuring out where the power is coming in from and where the light fixture is (at the end, after a certain switch, etc.) I'm also trying to ...
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2answers
47 views

Adding a light fixture to an existing fixture

I added a new light fixture by splicing into an existing fixture. When I turn the light on, the existing light comes on, when I turn it off, the new light comes on. What have I done wrong? I want ...
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1answer
130 views

I shorted a circuit, reset a breaker, now much of the house electricity only works if I turn on a wall AC unit

I'm wondering if any of you could guess what might have happened. I live in an older 60s ranch with an older electrical system. I was cutting some shrubs this morning and hit a 3 strand wire that was ...
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5answers
158 views

What is code or common rule when securing multiple electrical lines?

What is common practice or code when running new electrical lines in a home(15 amp/20 amp) in a basement that feed up to the 1st and 2nd floor of a home? Is there a rule on how many wires can be run ...
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1answer
47 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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1answer
25 views

LED bulb with slow on motion detector

Can an LED bulb be used with a retarded on motion detector? Incandescent bulbs come on slowly with this type of detector to extend the lamp life. These are externally mounted on an electrical box ...
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3answers
101 views

Baby proof 240V outlet(for air conditioning) in living room

I have a 240V outlet in living room. It is used for AC unit installed just above it. This outlet is very close to floor. Around 3 inches above floor. We have small baby in house and she has started ...
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2answers
207 views

How do I identify six light switch wires with a multimeter?

I need help identifying wires to know if I have what I need to install some new light switches that require line, load, neutral and ground connections. I'm hoping to do this with a multimeter, but I ...
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2answers
28 views

Panel switched back on fried garage door opener (need surge protector)

I shut off the power to this entire house, from inside, the larger main switch at the top of the panel. 12 hours later we started hearing the garage door opener circuit board make a noise like a relay ...
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1answer
35 views

How does a soft-start autotransformer compare to a regular autotransformer?

I'm using some commercial kitchen appliances from the U.S. in Europe, so I need to transform the voltage from 230v to 115v. I have been learning about different autotransformers, and came across some ...
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1answer
876 views

What are the dimensions of US outlet holes?

I am specifically referring to the standard NEMA 5-15 three hole outlet that is used in North America. What are the dimensions of the holes in the outlets? Surprisingly, I am having difficulty in ...
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0answers
41 views

New Range won't turn on - trips our breaker

We just purchased a used Frigidaire slide in range. We attached the recommended 4 prong cord but when we plug it in, there is a quick spark and it won't turn on. Our old range is the same brand and ...
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2answers
73 views

Old wiring into appliance has 60V neutral to hot and 120 either to ground?

I have an appliance (stove hood) and it is hooked up to wiring that supplied the previous stove hood. It isn't working and the voltages measure 62 volts between neutral and hot, but 120 volts between ...
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1answer
58 views

Size and kind of wire required to go from main panel to garage 400 ft away

What kind and size wire do I need to run underground, from the main panel in the house to a garage 400 ft away, to get 60 AMPS (usable) at the sub panel in the garage?
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1answer
71 views

Replaced outlet still not working

I have 1 light switch and 1 outlet in a 2 gang box in the kitchen. The old gfci outlet stopped working so I replaced it with another but it still doesn't work. The new outlet is gfci too and I can't ...
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0answers
46 views

Connecting to overhead line from meter for multiple panels

At the main power pole we have a meter with a 200 amp disconnect. From the meter we ran about 250 feet of aluminum wire overhead in a straight line. 2 hot and neutral. What we are wanting to do is ...
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2answers
55 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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2answers
41 views

Electrical Circuits in my Greenhouse

There's a 40A circuit in the greenhouse that's separated into 5 individual circuits consisting of two 15 amp breakers and four 20 amp breakers, one of which is unused. If I run 2 small electrical ...
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2answers
61 views

How to control a set of lights with a switch and a subset with another switch

Hey i am installing recessed lights in my bedroom and was wondering if anyone had thoughts on how you would have the main switch power all of the lights but another switch only turn on a few by the ...
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1answer
40 views

Ceiling Fan update with Metal Sheathed Cables and Romex

I have a few questions here. I was checking out my ceiling fan to see if I could install a separate switch for the fan and the light. When I got into the attic, this is what I found. Questions.. I ...
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2answers
57 views

Unusual three-way+ light configuration

I have been working through the wiring in my house to add in gfci's in the appropriate locations and update outlets and switches. I am familiar with usual three-way and four-way light set-ups and ...
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1answer
54 views

Wiring switched-controlled GFCI outlets outdoors

I have a dedicated outdoor 20 amp circuit (GFCI breaker) in my yard that was for a pool we got rid of. 2-gang box w/weatherproof cover. I want to install a GFCI outlet that is controlled by a ...
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1answer
75 views

Can I bury a bare ground connecting rod?

We just ripped out an old rotting deck at our house, this exposed the wire that connects the electrical panel to the grounding rods. There is a PVC pipe encasing the wire from the panel to ground ...
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1answer
53 views

How should grounding be handled for multiple RV pad feeds?

Trailer pads were wired at my deer camp over 15 years ago. The main power pole has meter with 200 amp disconnect. From the meter a 3 wire service was run overhead to each pad. At the first breaker ...
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3answers
247 views

Why does my mobile home's panel read 240 volts between hot and neutral?

The red leg of the panel in my mobile home reads 240 volt from hot to neutral. What might be the cause of this? It's causing the light bulbs to pop, and I'm afraid to turn on any appliances
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2answers
103 views

How do i know how many amps to send to my subpanel?

I am building a 24'x15' woodworking shop inside a larger pole barn. I want to put a subpanel in the shop fed by the buildings main panel but how do i estimate the size of the breaker to use in the ...
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2answers
61 views

Do I need USA-color-coded wire on fixtures with flexible cable?

I often obtain lighting fixtures with flexible cords (but no plug) intended to be fed into a box and spliced. (e.g. this LED flood light). They are made in China for a world market, and have Euro ...
0
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1answer
55 views

How to wire a three-prong extension cord to 110 outlet?

I have a 1000w inverter wired to a 12v DC battery. The inverter has two GFCI 110 outlets on it. I want to run an extension-style cord from the inverter receptacle but cut off one end and wire a ...
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0answers
22 views

dimmable led bulbs won't work in dimmable fixture

Our living room has 4 dimmable lights controlled by 1 switch and slider. Many years ago, we replaced the incandescent lights with fluorescent bulbs (we didn't know that fluorescent bulbs don't dim out ...
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1answer
37 views

Subpanel run to secondary floor apartment from basement [duplicate]

What size wire would I need to run a 100 amp subpanel 28 feet away? I have 6/3 wire would that do it?
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1answer
31 views

Replacing Non-Working Single-Pole Dimmer Switch

Ok- so I hope I explain well- I will also attach photo. Dimmer switch and switch to fan located in same box. When we removed the plate, the cords came out of there locations before we could see what ...
2
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3answers
421 views

when there isn't a ground wire , is it ok to ground to the neutral on a outlet? [duplicate]

When there isn't a ground wire, is it okay to ground to the neutral on a outlet ? There is no ground wires to my outlets.
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2answers
49 views

Correct sockets to be used with 277v light bulbs

I am a project that requires 277v lighting. I have found medium based light bulbs that are rated to work on a 277v circuit but the not a medium base socket that is rated for usage above 250v. I have ...
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1answer
55 views

How can I Run a 230V 50hz tool on 100V 60hz

I have a drilling machine bought in England which I want to use in Japan. I believe I will need some kind of inverter. Suggestions for the cheapest way to do this?
3
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2answers
69 views

Are barrier terminal blocks or bus bars inside a junction or weather-proof box up to NEC code?

I'm going to be adding some Particle Photon relay control to some receptacles so I can remotely turn on and off appliances and lighting. I'm going to house the Photon board and relay in a ...
2
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1answer
32 views

Modify T3 Bulb for a T4 Socket

I messed up and got G8 T3 LED Bulbs to replace G8 T4 Halogens. The bulbs work just fine in the sockets except the pins are smaller than the socket was designed for (T4) and don't stay well. They ...