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
43 views

Wires barely fit in gang box, is this okay? If not, where to get deeper boxes?

What to do when the wires barely fit in the box? We got them to fit with a lot of fusing, but I'm not sure if that's okay or not. Lots of smushing down and the outlet covers don't fit flush on some. ...
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1answer
51 views

Can I use #16 duplex wire extension to a 2800 watt chop-off cutter?

Is it possible to use #16 wire as extension wire for 2800 watt cut-off machine?
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1answer
18 views

How to waterproof metalic electrical conduit entrance in concrete wall?

I have concrete garage inside the hill below house level. Electrical metal conduit runs underground and enters the garage at the top of concrete wall. It may 12"-15" below surface. See pictures. It's ...
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1answer
60 views

How to wire 240 volts fluorescent lamps

How many 240 volt fluorescent (2 X 4 recessed, 4 tubes) fixtures can I connect to a 30 amp breaker using 4 mmsq cable?
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1answer
15 views

Backlight moving mirror in bathroom

Bathroom will have a medicine cabinet behind the mirror. Going to use wall mount sliding door hardware to make the mirror move. Will look similar to this: I would like to use some 12v LED lights on ...
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1answer
26 views

Proper method to wire through different surfaces

I have added a 6" deep bump out with a TV and an electric fireplace in the center of a wall. There is a recepticle behind the feature wall which the tv and fireplace plug into. I am also creating a ...
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2answers
74 views

How can I determine why my lights flicker when the A/C is running?

My lights considerably flicker whenever a large load comes on in the house and it has been this way since we renovated five years ago. I am attempting to troubleshoot this now and have already ...
0
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1answer
176 views

Can I wiring LED light fixtures in parallel?

I have 4 120 v 20 watt LEDs. I want to put them over my desk. They are the Lusa Lighting Model #33000 (If you want to see the PDF). They come with plugs so you can plug them in separately. I want 1 ...
3
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2answers
118 views

Why is there increased dryer motor hum while powered by a generator?

We have an off grid home, solar powered 120v. While running the home on the backup generator (also charging batteries), the drum motor on the propane dryer has an increasing noise, then gets to a ...
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4answers
787 views

Plugs won't stay in wall receptacle

We bought a new house 25 years ago. The wall plug receptacles never from day one would hold a plug. Are they defective or are there springs missing that would keep them in place? Can they be adjusted ...
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2answers
28 views

spotlight is always on and switch is not working

I have a spotlight outside all the wires are tracked and in working order but the light stays on constantly .even when connected to its switch. this one is a head scratcher. I replaced the light ...
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1answer
67 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 ...
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0answers
26 views

Relay for electric oil filled heaters - does it have to be so noisy?

On a new build, (the conversion of an old stable block into a habitable annexe), our electricians installed three electric oil filled heaters which are controlled by a thermostat, which operates a ...
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2answers
688 views

Why won't the heat shut off in one zone?

we have a three zone baseboard hotwater furnace. a few months ago one zone would randomly stay on, we did change the thermostat we have not noticed the problem again, but in another zone we have the ...
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3answers
307 views

Why are my dimmer switches malfunctioning?

I have two dimmer switches that have started malfunctioning. They are in the same box with two other standard switches. Each controls a set of three small flood lights. There is no other way to ...
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2answers
63 views

garden network and power cables

I'm trying to bury cables for my garden. The requirements are to have 12v power for a water pump 30-40 watt (2.5 amp), network connectivity for sensors and a webcam. I want 4 stations at opposite ...
2
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3answers
125 views

Why does my GFI keep going off? Is it dangerous?

I have a small condo with one bathroom. There is a GFI in the kitchen and bathroom. The GFI in the bathroom trips off on a regular basis. It started slowly (like 1/week) and now it happens multiple ...
3
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4answers
507 views

Best way to splice together 20/22 gauge wiring?

We have some holiday lights that had wiring snipped it seems and wondering what others have done to permanently splice 22 gauge wiring (fed from 3.5V plug). Update: On one set I have soldered the ...
2
votes
1answer
3k 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 ...
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3answers
977 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 ...
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1answer
45 views

trying to figure out corresponding breakers to outlets

I just purchased a Klein ET300 Digital Circuit Breaker finder. I tested it with known circuits so i can figure out how it works. One room in my house that I have always had problems with is not ...
2
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1answer
146 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 ...
3
votes
2answers
586 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 ...
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2answers
42 views

I am wondering can I add a new electrical connection for a gas range to this line? [duplicate]

I found the electrical line with only with one receptacle for a garbage disposal. I am wondering can I add a new electrical connection for a gas range to this line?
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3answers
62 views

Can I connect 12ga to 10ga for gas range?

I am remodeling my kitchen right now Can I use existing 10ga line which already been built and used in my house for electrical range to hook up 14 ga or 12 ga wire for my new gas range? Thanks for ...
2
votes
3answers
65 views

Can I splice grounding wires together to reach an old outlet that needs a ground?

I have a two prong outlet in my house and there is a ground wire behind it, not connected. The ground wire ends in a junction box halfway to the breaker box. Only the neutral and hot wire continue ...
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3answers
71 views

What is the neatest way to run power to Somfy motorized window blinds?

I have several Somfy RTS motorized window blinds installed. Right now they just have electric cables attached to them that could be tacked to the wall, but I'd rather have the cabling completely ...
4
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1answer
88 views

NM cable next to hot water pipe

Edit: The answer below indicates that at least in some places inspectors consider it inacceptable to attach any wiring to pipes. However, I would still like to understand why it is a bad idea. ...
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9answers
8k views

Does one need to be certified in order to do residential electrical work?

I have a Bachelor in electrical engineering, a lot of hands-on experience with electrical work, and I'm very familiar with NEC 2011 and electrical codes. Can I do residential electrical work without ...
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3answers
233 views

Is is safe to deal with wiring after only shutting off the room's fuse, but not the main switch?

I think the question title says it all: Given a distribution board in the house (220 VAC), is it enough to shut off only the room's fuses, or must one shut off the main switch for the board before ...
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2answers
36 views

Wiring to shed with two 30 amp breakers

I recently purchased a house that has two 30 amp breakers going to a shed for lights and outlets. How would I go about doing that correctly? Can I tie the two 30 amp breakers to the shed together and ...
13
votes
5answers
43k views

Can I backfeed a portable generator into my house's electrical system?

Is there a safe way to power my house using a portable generator? The power rating for the generator is 6kW, and I want to run my electric water heater (4.5kW) and my refrigerator (0.5kW) and possibly ...
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3answers
139 views

How do I bring a recessed wall outlet flush with newly installed paneling?

I paneled a wall with three quarter inch thick paneling and now the two wall plugs are recessed in. Do any of you know if the have specialty plugs that would plug into the wall outlet to bring it to ...
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2answers
138 views

How to wire GFCI outlet

The bathroom includes a GFCI outlet that will not reset. Research revealed that such outlets do seem to stop working sometimes. So I am attempting to replace the outlet. After pulling the faceplate ...
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1answer
25 views

Converting 2 separate ceiling fan switches to 1 and then into a wall outlet

How do I convert a ceiling fan with 2 separate wall switches, 1 for the light and 1 for the fan, to a separate fan & light switch? My next question is it possible to convert the second switch from ...
0
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1answer
40 views

What could cause this ongoing problem with my immersion heater?

For a year now, I've had nothing but trouble with my hot water tank. I'm in rented accommodations, and my landlord is sick of me calling him saying my tanks not working. The whole thing has been ...
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1answer
4k 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 ...
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1answer
309 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 ...
4
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3answers
36k views

How do I connect a dryer with a four prong plug to a three prong socket?

I've just moved house and my clothes dryer has a four prong plug but on the wall there's a three prong socket. Do adapters exist for this? Or do I need to get a new cord for my dryer? Or is there ...
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2answers
58 views

Which type of mortar or cement to set electrical box?

I have cut out two holes for 4", metal electrical boxes to be set in to the exterior walls of an old block and stucco garage. I need to secure the boxes by setting them in either concrete or mortar, ...
0
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1answer
69 views

How can I isolate grounded (neutral) conductors in a panel?

This is in reference to my question yesterday about sub panel grounding. So if my sub panel came with a ground bar on either side of the breaker mounts, are one or both of them isolated from the case ...
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2answers
27 views

How do I determine the capacity of my generator when it has a separate starting watts capacity?

I have a Briggs & Stratton Storm Responder generator that is rated at 5500 watts with a 8250 startup watts capacity. The user manual is a little confusing: it seems to state that I have to take ...
6
votes
2answers
770 views

Outdoor electrical outlet exposed to the rain

Besides tripping a circuit breaker, is there any risk created by a 120V electrical outlet getting wet from the rain? The outlet was installed on an outdoor patio by the builder, so it was intended to ...
1
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1answer
73 views

What could cause a condensing units fan to stop working?

My AC unit fan stopped working suddenly. I tested the 3 pole condenser (capacitor) and the it looks OK ( 45 uf , 5 uf is what is mentioned in the spec of capacitor). I tested the resistance in the the ...
0
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3answers
63 views

How to repair an electric outlet which died while running a carpet cleaner?

I ran a carpet cleaner in my condo for the first time in a bedroom and the outlet and lights died. Then I went to the living room and ran the cleaner and the outlet died too. But I was able to use two ...
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1answer
113 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 ??
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1answer
53 views

How do you hard wire a lamp socket to the ceiling?

I have a swag style pendant lamp that I want to hard wire into the ceiling. I cut the plug off the lamp cord and wired it directly to the neutral and hot wires in the ceiling recess. I made sure the ...
1
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1answer
142 views

Why won't my electric baseboard heaters work?

I'm installing a 72" 240V baseboard heater in a home office. I ran 12/2 gauge wire, installed a 20 amp 2-pole breaker and 2-pole thermostat. I'm pretty good with electrical, and so I can confirm that ...
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2answers
58 views

how to light up ten (10) led downlights with each having 14w power consumption?

recently i had opted to upgrade my store with LED downlights of 14w each. problem i am facing is that drivers of these are going corrupt frequently. my electrician said , we can replace these drivers ...
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2answers
110 views

How to replace recessed halogen light from an eyeball fixture?

I have a fused halogen bulb in this eyeball fixture. It's fairly resistant to twisting and pulling. The previous tenants managed to damage a similar fixture in another room, and I don't want to end up ...