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 ...

learn more… | top users | synonyms (1)

0
votes
2answers
145 views

Is it possible that my GFCI receptacle is bad?

I have a double wide mobile home. The outside receptacles and the one in master bath do not work. They are GFCI protected but the GFCI is NOT tripped. Is it possible that the GFCI is bad? I think the ...
5
votes
1answer
156 views

Can a private electromechanical meter be placed between the utility's meter and the main breaker?

I want to run an experiment which compares the readouts of the newer electronic smart meters against older electromechanical meters. Is there anything in the NFPA 70 or any other law or code which ...
8
votes
2answers
15k views

There are bare copper wires in the light box?

I opened the light switches and electrical outlets on the walls before the painting job and found in the metal casing boxes there were two bare copper wires attached on the same screw, they were laid ...
0
votes
1answer
390 views

For installing a new exterior light on a brick wall, can I connect the wires in a junction box mounted on the opposite side of the wall?

There is plenty of room to install the junction box on the other side of the wall and I would rather not put a box on the outside of the wall. Can I simply connect the wires in the junction box on the ...
2
votes
1answer
267 views

How do I properly ground a light fixture?

I installed a light fixture in my bathroom and need help grounding it properly. The previous fixture wasn't grounded. When I removed the fixture, there were two wires, one black and one white, from ...
3
votes
2answers
1k views

Is it possible (and safe) to adapt a 4-prong dryer outlet to a NEMA 6-20?

I'm considering an appliance that is 240v 16A 3500watt with a NEMA 6-20P plug. Is it possible and safe to create an adapter for this so that it can be plugged into a standard 4-prong 14-30R dryer ...
0
votes
0answers
367 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
2
votes
1answer
2k views

Is it OK to have more than one neutral wire in the same connection on the neutral bus bar on a main panel?

I'm installing a new 100 amp panel and have almost run out of openings on the neutral bus bar and still have 4 more breakers to install. Can I double up on the neutral side or should I start using ...
3
votes
2answers
2k views

Can I drive a ground rod near a gas meter?

I am redoing the electrical in my 1940s house. The house has no grounding electrodes but the meter and panel are grounded to my water pipe outside in the front of the house. (This actually looks like ...
0
votes
2answers
2k views

I have 240V cable on a 120V circuit. Should I be worried?

I'm reconfiguring my kitchen and moving some stuff around, which necessitates moving some outlets and switches. This is my first attempt at any kind of electrical work, so finding weird things makes ...
1
vote
1answer
91 views

How can I tell if there's an electrical issue or if I have a bad dryer?

I purchased a dryer from Sears: recently, which didn't work upon being connected. I performed a couple electrical checks (more on that in a moment), then called them up and told them that it was dead ...
1
vote
2answers
1k views

Could power fluctuations have killed my refrigerator?

Bought a house (built in 1937) recently. When the clothes washer runs (particularly, when it agitates), lights in the house flicker. I've read in numerous places online that this is possibly due to ...
1
vote
0answers
10k views

What size wire do I need for a 100amp underground 300 ft run?

I want to put in a 100amp subpanel in my garage. The run will be underground and 300ft long. I have a Siemens panel with breakers rated at 60/75 deg C. What is the proper wire size I need? I was ...
2
votes
1answer
116 views

What to do about hot neutral in switch?

The light switch only controls a ceiling fixture. But, the cable powering the switch also powers 2 grounded outlets. The neutral wire on the switch is live/hot. The black wire is not. Right now all ...
3
votes
2answers
533 views

How do I change which half of a receptacle is controlled by a wall switch?

I have a switched outlet in a bedroom. The top receptacle is controlled by a wall switch while the bottom is always hot. Can I make it so the top is always hot and the bottom is switched by just ...
4
votes
1answer
236 views

Can two ground rods be bonded via a PVC conduit above ground?

According to my understanding, if a supplementary ground rod is installed, it must be bonded to the existing rod via a buried 6 AWG cable (NFPA 70). However, because virtually every side of my house ...
1
vote
1answer
4k views

Unplugging Alarm System

The house I am had an alarm system put in when the house was being built. The previous owners of our house used it but we haven't and all its been is a pain in the butt. Before it would beep when ...
0
votes
2answers
457 views

Is it okay to drill a ground rod through pavement?

All the sides of my house are paved, and I need to drive a new ground rod for an antenna. Would it be against code (NEC) to drill a hole in the concrete to pound in a ground rod? Bonus question: How ...
0
votes
3answers
6k views

How far does a ground rod need to be from the foundation?

I need to ground an antenna strapped to my chimney, which requires hammering in a new ground rod. However, the entire side of my house is paved, meaning I can't dig it up to find the foundation ...
1
vote
2answers
683 views

Why use AFCI receptacles rather than AFCI breakers?

Is there any reason to use an AFCI receptacle rather than replacing the breaker with an AFCI type? It seems that providing protection on the whole circuit makes much more sense than to just one ...
0
votes
1answer
237 views

Beeping light fixture

I have been renting a house for a week. The light/fan woke me up beeping every 30 seconds. It continues if the light/fan is switched off. Its the middle of the night, and I am not handy. What should I ...
1
vote
3answers
1k views

Running a new kitchen light circuit from a receptacle with a “traveller.”

I'd like to power a set of three ceiling-mounted down-lights from an existing receptacle in a kitchen reno. A picture of the existing receptacle is attached. My confusion is it has a fourth wire (red),...
0
votes
2answers
23k views

Is ceiling fan missing grounding wire from the ceiling box, and is this safe?

I recently had a contractor/handyman install a Hunter ceiling fan for me. It worked great, but my wife came home and thought it was too big. I ordered a different Hunter fan, and figured I could ...
2
votes
2answers
4k views

Home Light Automation - Emulate 4 way switch with relay

I've been thinking of ways to do home automation that is somewhat future proof (hardwired); and the best idea I have is to use relays for lights on a 3 way switch circuit. Put in a dual pole dual ...
0
votes
4answers
24k 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. ...
2
votes
1answer
626 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 ...
1
vote
3answers
13k 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, ...
-3
votes
2answers
4k views

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

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
4answers
1k 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 ...
2
votes
1answer
3k 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?
0
votes
2answers
456 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
1answer
629 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 ...
0
votes
1answer
98 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
3answers
4k 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 ...
1
vote
2answers
2k 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
216 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?
1
vote
2answers
1k 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 ...
2
votes
1answer
319 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 ...
3
votes
2answers
4k 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 ...
2
votes
2answers
1k 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
335 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 ...
1
vote
1answer
440 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 it'...
0
votes
2answers
4k 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
0answers
86 views

Ceiling fan fixture's lights flicker then the 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 ...
0
votes
1answer
203 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 ...
0
votes
0answers
320 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 ??
0
votes
2answers
2k 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 ...
1
vote
1answer
179 views

How do I determine what size Generator I need?

What are the number of factors and considerations to be taken into account before sizing a prime rated generator ??
-4
votes
1answer
349 views

What happens when my incomer main and generators are operated together without an interlock ?

Suppose consider my incomer main is live and is feeding my MCC and now if i operate my standby diesel generator connected to the MCC what will happen in the system ?? will there be dead shorts or any ...
1
vote
1answer
32 views

Can an existing exhaust fan with a light and night light be replaced with just an exhaust fan and a seperate can light in the shower?

We are remodeling our bathroom and in our shower we have an exhaust fan with a light and night light combo which are connected to three different switches. We are replacing our exhaust fan with a ...