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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2answers
3k 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
920 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
390 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
575 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
94 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
983 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
193 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
968 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
308 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
695 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
311 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
400 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 ...
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
81 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
186 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
269 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
1k 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
175 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
319 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
30 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 ...
1
vote
2answers
8k views

How do i know if my service panel will accommodate a 240v circuit breaker

We are looking to install a hot tub and trying to find out if our service panel will accommodate a 240v circuit breaker. This is what our panel says but I do not know what all of this means: ...
0
votes
1answer
8k views

Is 40-amp breaker enough for my new range?

My new range says it needs a 40-amp circuit breaker minimum. But it also says maximum draw is 13,200 watts on 120/240, so doesn't that mean a 40-amp breaker would be inadequate? By my math, max ...
1
vote
3answers
2k views

How many dimmer switches do I need?

I have an electrical situation, 3 switches controlling one light and I want to put in a dimmer. What type of dimmer do I need, 3-way, 4-way,or what?
1
vote
1answer
445 views

Wiring from Oven to Switch

At the moment under the oven switch the cable is plastered over (without capping) till it reaches under the counter; there it pops out of the raw plaster and is draped across the back of the units ...
0
votes
1answer
58 views

Will a water heater use more or less power overall if equipped with larger or smaller heating elements?

For electric water heaters that can be obtained with various different options for the size and power draw of their heating elements, will larger elements use more power overall? For example, let's ...
1
vote
4answers
3k views

Moving a light switch without moving it

I live in a rented house, and there is a lightswitch which is unconventionally not next to the door in one of the rooms. Is there a way to move the lightswitch so it's next to the door. I am currently ...
3
votes
1answer
173 views

Are old work electrical boxes acceptable for roughing in?

My landlord is repairing a room in our home. He ripped out all the plaster and left just the lath boards. HE has "roughed in" using old-work drywall boxes. I don't know if he plans on screwing them ...
2
votes
2answers
218 views

Why are only half of my receptacles working after an electrical arc in one of them?

I live in an apartment above an older building that I help care for. I was unplugging my phone charger (I may have pulled it out too fast) and there was a huge arc and flame color and it smoked. This ...
0
votes
0answers
70 views

How do I reuse a fluorescent light fixture?

I am reusing a fluorescent fixture with two black wires and one white. Do both black wires go to the black (hot) wire?
0
votes
3answers
97 views

FPE panels replaced [closed]

Does any of you who is electrician know if my home insurance can refund me for having the Federal Pacific E panel and wiring replaced? I got it replaced with new one because I was warned that the ...
0
votes
3answers
248 views

Extremely confusing 48 v on neutral

I am actually a pretty good electrician, but am baffled by what I found today. During a remodel and adding a few new boxes for future lights, I received a shock from a neutral wire and a floating ...
0
votes
2answers
719 views

Why two breakers (one for the line, one for the neutral) on a single-phase line?

I'm wondering why in my house I have a tied-together pair of breakers (one breaker for the hot line, the other for the neutral) for one geyser, while my other geyser only has its hot line with a ...
1
vote
3answers
11k views

What to look at first when when circuit breaker that fridge is on is tripping?

I have a house where the circuit breaker has tripped a few time over the last several days. It flipped one evening, we flipped it back and was ok for a couple days. We went away for the weekend and ...
2
votes
1answer
298 views

How do I seal an electrical box for a ceiling fan?

We recently installed new electrical boxes and hung fans from them. We caulked around the boxes to seal off airflow into the attic. There are several small holes (and one has a medium sized hole) on ...
0
votes
1answer
997 views

How to run flexible metal conduit through wall of attached garage?

The photo shows a disconnected generator transfer switch and a sub-panel in an interior room on a wall that is shared with an attached garage. The transfer switch is pre-wired with some sort of ...
1
vote
2answers
707 views

How should I use the ground wire for this welder?

So I want to use "ol big red", my trusty arc welder in my new home. I intend to use the electric range circuit since we have a gas range. I re-routed the range wire and was about to hook it back up ...
1
vote
3answers
255 views

4 way switch with only two switches

I just bought a 3-way dimmer switch for the kitchen. There are only two switches that switch the overhead lights. I went to take off one of them to install the dimmer and the switch had 5 wires (2 ...
4
votes
2answers
2k views

What are these marks on the Romex wire in the wall?

I was replacing some damaged siding and decided to replace the old dirty insulation at the same time. After pulling out the insulation I noticed that the Romex running to two outlets had some brown ...
3
votes
3answers
596 views

Why am I getting no power to the branch circuits with a new sub-panel?

My home had an ancient Zinsco sub-panel in which the breakers were grounding out and arcing to the panel. I've swapped it with a new Eaton 100 amp panel. I've re-installed all the breakers, and ...
2
votes
3answers
8k views

How can I fix flickering and continuous-clicking with a UPS on an inverter-supplied circuit?

My whole house has been backed up by an inverter for a few months now. My computer is still connected to a UPS so that it gets clean power - I don't trust the inverter alone to provide ultra-stable ...
3
votes
3answers
2k views

How common is it for new homes to have gas-only dryer hookups?

I am relocating my dryer. I had the gas line relocated and a dedicated circuit put in for the washer and dryer. The original location had the option for an electric dryer. We have a gas dryer and ...
0
votes
2answers
124 views

Nothing Seems To Get Enough Power…?

I just moved into a studio that someone is renting out. They just finished putting in a new kitchen, including a new fridge and stove. However, today is my first day here and I have already noticed a ...
-1
votes
2answers
113 views

How does the wiring in this light hookup?

I'm trying to install this light in my house, but I don't know how the wiring works for it. The light has a switch on the front of it that controls both bulbs and the switch has two black wires coming ...
0
votes
1answer
1k views

How can I connect multiple lamps to a single cable?

I have 5 lamps, which I want to attach to a single power cord. If it was only 1 or 2, I'd just plug the wires into an insulating screw joint like these: But 5 cables are just too thick. How should ...
0
votes
1answer
134 views

Encasing electrical outlet behind a panel above overhead microwave

My remodeling contractor has installed an overhead microwave. The electrical outlet is no longer in a cabinet above the microwave. He has taken the limited space above the microwave ( about 8 inches ...
2
votes
3answers
2k views

How to install LED strip where before I had a fluorescent tube?

I want to install a LED strip where once there was a fluorescent tube. I like to think myself as google competent but this time I could not find a satisfactory answer. Right now, in my ceilling I ...
1
vote
2answers
19k views

How do I wire a new light fixture with a red wire?

When replacing an old chandelier with a new ceiling, there was one red wire, two white wires tied together and two black wires tied together. I had capped the red wire and tied in the remaining ...