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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3
votes
4answers
12k views

How do I troubleshoot a ceiling fan that suddenly stopped working?

I've got a ceiling fan in my kitchen that all of a sudden stopped working one day. No lights, no fan. Power is still up in the rest of the kitchen, and no breakers tripped. Is it common for a ...
12
votes
1answer
970 views

How do I know if my wiring is aluminium or copper?

In this answer, Chris has mentioned that, before replacing a worn-out electric outlet, it is important to know whether the building has an aluminium or copper wiring. How can I get this information? ...
0
votes
1answer
77 views

Can you put a small breaker panel after a 30 amp breaker from main panel in the house?

Looking to run lights in my garage. If I put a 30 amp breaker in my main panel on a 10 wire to a small breaker panel in my garage, can I put 2-4 15 amp breakers out there for the lights? Likewise, ...
1
vote
5answers
537 views

Can a NEMA 6-15 Device be connected to a NEMA 6-20 receptacle?

I have a new -80 deep freezer that calls for NEMA 6-15R receptacle, but the old one it is replacing called for a NEMA 6-20. I note that the plug actually seems to fit in the 6-20, but is there a ...
0
votes
3answers
33 views

How do I wire a ceiling fan?

I recently purchased a ceiling fan - Harbor Breeze Tilghman WITHOUT a light - to replace a ceiling fan WITH a light. The wires coming from the (old)ceiling are red, black, white, green, and copper. ...
0
votes
1answer
124 views

Are the connections in the pictures below an attempt at stealing power for another apartment

I need help indentifying if the connections here are stealing power from one apt. for use in another.suspect
1
vote
2answers
1k views

Can you terminate more than one common on the furnace C terminal?

TL;DR: Can you terminate more than one common on the furnace C terminal? Background: I've linked a diagram of how my non-programmable thermostat is currently hooked up. I want to replace it with a ...
0
votes
3answers
2k views

How can I use a separate transformer to provide a C wire to my thermostat?

I Purchased the Honeywell WiFi Prog Thermostat to replace my Round Digital Honeywell Thermostat. I have separate Heating and Cooling (Heating is a Weil McLain Boiler for Hot water baseboard and Hot ...
0
votes
1answer
92 views

How to open old under cabinet halogen light?

How do I open this to change the bulb? It is an under cabinet 12v halogen fixture installed in 2001.
2
votes
1answer
36 views

How to determine polarity on cloth covered wires?

I am wiring a ceiling fixture. There are three cables in the ceiling box. Only one of the cables has power. This cable powers the others that go on to power switches to ceiling fixtures in two ...
4
votes
2answers
2k views

How does 4-quadrant metering of 3-phase electricity work?

I have a 3-phase 4-quadrant electricity meter installed because I have a photovoltaic plant on the roof of house. A 4-quadrant electricity meter means it can measure both consumption and generation of ...
1
vote
2answers
99 views

How to rewire house electrical?

I just had an electrician replace the old 100A fuse box of my 1954 house, with a 200A breaker box. The breaker on my meter base and wires between breaker and breaker box were also replaced with 2/0, ...
0
votes
2answers
47 views

Drilling holes behind existing walls/ceilings

We are remodeling a 1914 house, and want to keep damage to the walls and ceiling to a minimum. We had to take a few walls down already, and as a result have the ability to drill new holes behind the ...
-3
votes
2answers
57 views

Can I use a UPS as a Voltage Stabilizer for 32 or 42 inch LED TV? [on hold]

I need a voltage stabilizer for 32 inch or 42 inch LED TV. Can I use a UPS for this? I'm expecting the Voltage control when the input power is beyond 270V or 290V and to produce output 240V range. ...
0
votes
1answer
87 views

Should I replace a receptacle with a small burn mark?

I have a window A/C in my room. I turned it on last night and power from that socket, the restroom lights, second bedroom and hallway lights are not working now. The plugs in the restroom do work. The ...
0
votes
4answers
67 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 ...
1
vote
1answer
51 views

GFCI to light not working

I put a gfci outlet in my front yard for use during christmas time for lights and such i ran it to on my front porch light so it only turns on when my front porch light is on i also added to the gfci ...
1
vote
1answer
90 views

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire?

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire? If I can't would using a 15 amp breaker be ok?
2
votes
6answers
5k views

How can I run a coaxial cable into an existing single gang electrical outlet?

The cable outlet in my girlfriend's living room is in a strange place. She wants to move her TV to a different wall but the landlord doesn't want any new holes in the wall or floor. If the wall was ...
0
votes
1answer
51 views

Networking Phones Together in Building

I have a number siemens optipoint 500 economy phones. They have been used in an office environment in which the networking of the phones were managed by a third party. I would now like to use them in ...
1
vote
1answer
458 views

How do I convert a 3-way circuit with two lights into two 3-way circuits that control each light separately?

I have two switches in my kitchen, one on each side, that each turn on two lights at the same time. What I want to do is change it around so each light is turned on separately but still from both ...
2
votes
1answer
1k views

Why doesn't my motion sensor light work?

I want to install a simple motion sensor (Lutron Maestro MS-OPS2) on a single pole switch in my garage. When I installed it the light would not turn off. The instructions (PDF) that come with the ...
0
votes
1answer
34 views

2-wire switch loop controlling 2 outlets - replacing with 3-wire to fix?

I am in nearly this exact situation: Can I use a switch loop to power a ceiling fan? We are trying to install a fan, but instead of having a single duplex outlet on the same wall as the switch, we ...
0
votes
1answer
47 views

2 circuits connected in one box?

I'm swapping out outlets and this one has me stumped. This is in a room of switched outlets (top outlet is always hot, bottom is switched) so the red/black side tab on each outlet is broken off. The ...
2
votes
2answers
311 views

How do I change a switched outlet to a half-hot outlet?

I am trying to change a switched outlet to a half-hot outlet. If you can see the picture, the outlet currently only has a white, black, and ground wire coming to it. The switch is on the other side ...
1
vote
2answers
95 views

How do I interpret a central air conditioner label?

The label on my central air conditioner looks a lot like this one (photo below). What do the two numbers (separated by a slash) mean for voltage and the three amperage ratings?
1
vote
1answer
45 views

Can I replace Slater boxless receptacles with conventional ones?

Most of my receptacles have stopped working on one side. When I went to replace them, I found out that they are Slater Boxless Receptacles. Can I replace the Slater ones with conventional outlets?
0
votes
1answer
34 views

Electrical problem - loss of power to fixture and outlet

Hot to ground and neutral to ground read 120 V. Hot to neutral 0 V. This is a portion of a circuit that appears to be at the end of the wiring. An overhead light/fan and one duplex outlet are not ...
0
votes
1answer
56 views

What circuit should I use for a new outlet in my living room?

My house (built in 1953) has a number of electrical inconveniences, including the fact that the same circuit that powers the outlets in the living room also powers many other disjoint locations ...
1
vote
1answer
30 views

How many circuits do I need? and can I bundle wires in the wall?

I'm looking into running new electrical circuits to my attic and second floor. The attic is two bedrooms + a small bathroom, the second floor is four bedrooms + another bathroom. I'd like some advice ...
0
votes
2answers
53 views

Running power to an external building

I'm thinking of running power to my garage, it's about 40 meters away (as the cable flies). I've been researching and already know the best way to do this would be to run a cable from the house ...
1
vote
3answers
257 views

How would I wire a thermal circuit breaker and switch together?

I want to wire a circuit breaker and switch to a GFCI and some other outlets. This is for power outlets on a work bench. Something like: I have this for a circuit breaker: and this for a switch: ...
1
vote
1answer
126 views

My electric oven runs 200C too hot. What can I do?

I have a fairly new (2011-ish) electric oven by Amica which has been running about 200 °C too hot. I can't find a thing in the manuals about re-calibration, though I have read in the past that ...
2
votes
2answers
99 views

Countertop receptacle spacing issue

I am rewiring my kitchen and I have installed 28 inch wide windows. NEC states that there should be no space along the countertop that is more than 24 inches from the nearest outlet. With the window ...
5
votes
1answer
177 views

Central air conditioner grounding wire size difference

I disconnected the central air conditioner long ago during the initial phase of my home renovation. I am preparing to hook it up again and have a technician come out to look at it. The original wire ...
0
votes
1answer
199 views

What do the buttons on a Comelit Okay Simplebus2 Intercom/door entry system do?

I've got a Comelit Okay Simplebus2 door entry system which yesterday wasn't able to be used to let someone into the building, however I'm not sure if the buttons next to the phone were being used ...
0
votes
1answer
2k views

After binding the three live (brown) wires together, remaining ceiling lights won't turn off

I've got the three separate ceiling lights all on the same switch. The other two are simple with a single grey cable fitting. But this one is obviously the key light because it has three main grey ...
0
votes
2answers
49 views

Lights not working after replacing blown light bulb

Room with two recessed lights, each with a 65 watt bulb, controlled by light switch and dimmer. One of the lights blew out and the casing cracked off when I tried to remove it. When I did this the ...
1
vote
1answer
219 views

What would cause my LED tape to flash when plugged in?

I just removed our new tape lighting and plugged it in. The brand name is Patriot Lighting 12 volt 16.4' flexible LED tape light. All it does is flash on and off. Any suggestions?
0
votes
2answers
79 views

How do I remove a 3-way switch?

I am taking a non bearing wall down that has electrical work in it, including a 3 way switch for a single light. I want to disconnect this switch so the other one works. How do I do this?
0
votes
1answer
44 views

What should I do about a recessed light without a housing?

I looked into my attic today and found one recessed light mounted directly in the ceiling (sheetrock) without a can/fixture. Isn't it dangerous (in terms of fire hazard) to have so. What do you guy ...
3
votes
1answer
390 views

Why does my circuit breaker keep tripping?

Every time I switch on one specific circuit breaker, the residual-current device (RCD) switches off. I've disconnected every device that's on the group, and even took out all light bulbs, but the ...
0
votes
0answers
22 views

Ceiling fan fixture lights flicker then whole unit fails completely

I have two remote controlled ceiling fan fixtures in my living room. The individual units are the same, three speed fans with three lights on each. One day one of them began flickering after I flipped ...
3
votes
1answer
99 views

Can I install wiring in the space used by a sealed air duct and PVC water supply lines?

I have a space between walls that is about 14" deep and 8 foot wide, and goes from the floor to the ceiling. This space is on the second floor. Petty much in the center of the house. The space ...
3
votes
3answers
252 views

What should I do if my vacuum trips my AFCI device?

I have a vacuum that trips the AFCI device of the circuit that services my bedroom. The vacuum has some age on it, and there is some wear on the motor's commutator. This wear causes electrical ...
0
votes
0answers
16 views

How does a Helita Pulsar Lightning Protection System works?

Could anyone please help me with the working of a helita pulsar lighting protection system. How does it actually work and what is the role of the capacitors in this lightning arrestor ??
4
votes
1answer
486 views

Can I install a light between two three-way switches?

is it possible to add a light to a three way switch circuit between the two three way switches (ie can i tie into the three wire connecting the two switches in anyway to make them work the new light ...
0
votes
0answers
92 views

Identifying an unknown and intermittent source of electric power usage

I have noticed a problem with my power usage today. I'm watching the meter often and making a record of each reading for the last three days. So far, nothing to note as far as unusual usage until ...
0
votes
2answers
54 views

Wiring requirement for small kitchen

I am in the process of renovating an older home where I require just two or three counter top receptacles. I discovered in the NEC that: The countertop receptacle outlets in kitchens must be ...
0
votes
0answers
28 views

Why does my GFCI receptacle only have power when a device is plugged in to other receptacles on the same circuit?

Replacing a GFIC in my kitchen that has a breaker that is also supplying three other receptacles. The reason I'm replacing it, is because the old one after 20 years of service would ONLY work if I ...