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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4
votes
2answers
13k views

What type of wire should I use to feed a 70 ampere subpanel?

Finishing a basement and I need to add a subpanel. Main panel is outside. Subpanel will be in the basement. 70 Amp breaker in the main to feed the subpanel. I was thinking THHN but would this mean ...
3
votes
4answers
3k views

Is a duplex outlet's max amperage rating for each socket or the whole unit?

If you have a duplex outlet thats rated for lets say 20 amps, is the whole unit rated for 20 amps, or is each socket rated for 20 amps? Edit: So if I had a circuit that had a 40A breaker on it, could ...
3
votes
1answer
33k views

How do I wire two lights with a switch?

How do you wire two ceiling lights on one switch? I have installed the switch, and the two lights, but only one light is working. It is the light that the power source enters. My setup is like ...
1
vote
1answer
42 views

Is there such a thing as a backless junction box/conduit fitting?

I have a battery enclosure for a small off-grid solar installation, and I want to run the battery cables out of the enclosure to the DC breakers and inverter. I'm looking for a backless junction box ...
1
vote
1answer
32 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 ...
1
vote
1answer
32 views

How to wire an outdoor GFCI with two pairs, both hot?

I have an outdoor duplex outlet which was not GFCI, nor was it protected by a GFCI outlet indoors. I tried to tone the outlet to find the specific circuit, but could not, so I shut off power at the ...
0
votes
0answers
12 views

Missing Remote. How do I control this Split Type Air Conditioner?

This is a long shot, but I'm open to fun ideas (Universal Remotes? A Raspberry Pi with some shield attachments that can be programmed to speak to this thing?) I'm in a rental unit where we have an ...
0
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2answers
57 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 ...
3
votes
2answers
149 views

Can I use an outdoor 8/3 wire to hookup lights outdoor?

I have removed a hot tub from my house and want to know if I can use the cable for some outdoor lights. The wire is a 8 gauge 3 wire hooked up to a double pole 50 Amp breaker. It is a lot of wire ...
0
votes
0answers
66 views

AC Unit does not receive 24 volts on outside unit

My outside unit does not turn on itself, but it does work. I just did a quick repair just thinking it was the capacitor and it was only 15 dollars for a new one so I changed that out and still had the ...
1
vote
2answers
225 views

20 amp circuit breaker trips after a few minutes or sometimes hours later

The 20 amp circuit breaker that controls my man cave, my rear patio lights including a lampost, and some outlets in my back yard started tripping about two weeks ago. Currently the lights and outlets ...
-1
votes
0answers
31 views

Best way to wire in a subpanel in an outbuilding?

I've been asked to help a woman add electricity to her shed/kitchenette/classroom. I went to school for commercial wiring and have not held a job as an electrician in over a year, plus I don't have my ...
0
votes
1answer
71 views

Why did I need to switch several appliances in order to power my electric stove?

This is a bit more theoretical but I am confused as to how this may have happened. I own an electric stove that is plugged into one of those large 240V sockets on the wall. Yesterday when I switched ...
1
vote
2answers
139 views

Confused about wiring outside light fixture with multiple switched wires

I am trying to replace an outside motion detector light fixture that was removed before I bought the house and the only things left were the plastic base in the eave and electrical taped wires shoved ...
2
votes
1answer
143 views

Why won't my lights stay bright with a dimmer switch?

I installed a 700W incandescent dimmer. Lights go dim after about 10 seconds when I turn on.
1
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2answers
57 views

How to size an earth continuity conductor?

For the line wires, I just check the maximum load current and select a conductor from the manufacturer datasheet that can support that maximum current. What about earth continuity conductor, how it ...
3
votes
3answers
618 views

Can I connect a dishwasher and an outdoor outlet on the same circuit?

I bought a "fixer upper" and I'm remolding the kitchen. The previous "hack & wack" investor added a dishwasher but to power the DW they installed an outlet box and powered that box by cutting ...
3
votes
1answer
5k views

Is there a specific NEC code specifying the distance between water heaters and electrical panels?

I have a condo in a large building with many identical units. Several times other owners have mentioned that the original layout of the utility room isn't up to code due to the proximity of the water ...
1
vote
2answers
38 views

DIY powder coating oven project [closed]

looking into a diy project with my son, looking to build a powder coating oven, its pretty big 10x10, so i was told to run 8 heating elements 4 on each side, 3000w elements or up to 5000w elements. ...
14
votes
8answers
70k views

Is using 15 amp components on a 20 amp breaker against code?

I have noticed in a few different houses in Oklahoma that 20 amp breakers are used, but all of the outlets and switches only seem to be rated for 15 amps. This goes against everything I know to be ...
1
vote
2answers
91 views

Wire a 30A/15A/30A fuse box to a 4 wire 120V/240V oven

This is for a Canadian Oven being installed in Canada. Used oven came with this box. The manual is not available. The incoming line from both oven and junction are Red/White/Black/Ground. I ...
0
votes
1answer
38 views

New cooktop has aluminum wires

New cooktop has aluminum wires. Is it ok to connect those wires to the present outlet which had copper wires connecting the old cooktop? Thank you for your help
2
votes
1answer
57 views

13-Amp lawn mower + 10-Amp cord tripping 15-Amp breaker?

To illustrate, I have the following setup: 15-Amp breaker 100ft 16-gauge extension cord rated at 10-Amp 13-Amp corded electric Lawnmower When I make the mower work extra hard by trying to mow some ...
0
votes
0answers
15 views

Wiring Breaker for electric Hot Water Heater [duplicate]

I have a breaker panel with one 100 amp double breaker and two 60 amp double breakers. There are other slots for more breakers. Can I add a 30 amp double breaker to this panel with the correct wire 10 ...
0
votes
2answers
76 views

Dishwasher Power Cord has Two White Wires. Isn't the wide one neutral?

A contractor hooked up our dishwasher this way (see image), but I believe it's wrong. The dishwasher's hot (black) and neutral (white) wires are the ones going into each wire nut from the left side. ...
0
votes
4answers
94 views

GFCI Problem wiht Three-Way Switch WAS Two Switches Neutrals Only, Switched Hots Not Used

I replaced an old two-prong receptable with a three-prong GFCI (no ground) yesterday. It won't reset. I found out that "downstream" there is a light on the next level down that is controlled by two ...
3
votes
4answers
11k views

Why am I getting 50V at a light when the switch is off?

I am trying to put in a switch and a light it controls in a storage building and this is how I wired it. Click for larger view When I checked the wiring it registered 120V when the switch was on, ...
-1
votes
0answers
20 views

4 white wires in original light fixture? Help! [closed]

I'm replacing an original light fixture in my 50's era ranch with a celing fan. I've done this before, but there are 4 white wires! I connected two, and just left 2 and wrapped them in electrical ...
1
vote
2answers
137 views

How to diagnose a broken transformer?

I have a 2000w, 240 -> 120v transformer. It's a Bronson++ AVT 2000, with a continuous max wattage of 1200w, meaning if running for over 30 minutes it should be under 1200. I ran a 1500w blender on it ...
0
votes
1answer
277 views

Fan coil wiring problem with new thermostat

I'm trying to upgrade to a new line voltage thermostat. The new thermostat has many more connections, including three fan speeds. My current system has a manual fan switch on the wall so all I need ...
0
votes
2answers
470 views

Installing New T8 Ballast; need wiring diagram

I am installing a New T8 Single tube ballast to replace an older ballast. The new ballast has one black wire, one white wire, two blue and one red. The old ballast has two wires coming and going from ...
0
votes
1answer
18 views

I need to replace the spring-loaded lighting cover for the light in the tub

Anyone know where I can get a trim kit for this basic round ceiling light? It has an outer edge/flange that seats against the ceiling and there is a plastic light cover inside the outer edge. It has ...
0
votes
1answer
14 views

electric water heater wiring [duplicate]

Main panel has one 100 double breaker and two 60 amp double breakers. There are extra slots for more breakers. Can I install a 30 am double breaker in on of the extra slots to wire up a 30 amp ...
3
votes
3answers
54 views

120 V between Ground and Neutral?

I had a new cooktop installed but it does not work. The unit replaced an old one and was simply plugged into the existing outlet. After checking the basics (no tripped breakers, etc), I whipped out ...
0
votes
2answers
49 views

wiring breaker box

My second question is, there is a main panel with a 100 amp double breaker and two 60 am double breakers. Prior owners run a line off the 60 amp double breaker to the wash room washer and dryer. Can ...
0
votes
1answer
29 views

Is there a functional electrical difference in a wire splice vs a second line

The three wire connections as shown. A splice O-rings bolted Double slide-on I can understand why there may be connection type diferences for ease of construction. Are there any ...
0
votes
3answers
31 views

I have to reset switch in basement if I don't turn off space heater when I use the blow dryer [closed]

My husband says I have too much plugged into my side of the bedroom- 1) lamp 2) laptop 3) cell charger 4) a blow dryer. All are plugged into a Phillips box that plugs into an outlet. I am no ...
0
votes
2answers
32 views

Water Heater electrical installation to breaker box

I installed my water heater 10 gauge wiring to the breaker box 30 am breaker. The breaker only has a white common, black hot and ground.The second breaker box has all 30 am breakers with only red hot ...
1
vote
1answer
1k views

Connected C-Wire to new Smart Thermostat and Furnace board and still no power

I need help. I've been surfing the internet and have had no luck finding answers to my situation so am hoping for some guidance. I've seen other questions here answered but none that suit my ...
1
vote
1answer
45 views

Wall switch no longer used, how to cover it

I have replaced a ceiling fan in my home that had a separate hot wire for a light. The new fan has a remote control for the light & fan motor. The old fan was controlled from a 5-gang wall ...
0
votes
4answers
97 views

What is the danger of a bootleg ground on a 110 outlet wired from a 3 wire 240 circuit?

This is not a question about whether it is in code, or safe to wire a 110 outlet with its neutral to the ground of a 240 circuit. I accept that it is unsafe, and it's certainly not up to code, I'm ...
2
votes
1answer
332 views

Why won't my thermostat control the HVAC anymore after trying to switch thermostats?

I bought a new Nest thermostat which is supposed to be compatible but needs a professional installation (advice that should have been heeded by non-professional electrician me). This is to replace an ...
1
vote
1answer
31 views

Wall light switch in pantry, moving to cabinet side

I have a pantry enclosed on two sides by standard partition walls faced with cabinet wood, then two short sides open to the kitchen on the outside made from cabinet wood, then the door is mounted at ...
0
votes
1answer
152 views

Installing and connecting an outside generator power inlet box

I want to install an outside power inlet receptacle for my portable generator, to be used in case of a power failure. In my house I have two breaker boxes, one is the main breaker box and, a second ...
0
votes
2answers
83 views

How to properly support 2-3 with ground nm-b cable from floor joists

I bought a house where the previous homeowner hung 2-3 with ground nm-b (cable) with metallic conduit hangers from wall studs below the floor joists. It looks like the hangers are cutting through ...
1
vote
1answer
38 views

Who can give PAT test labels out in the UK? [closed]

Can any registered electrician give an item a PAT test label, or does it require membership of an additional trade body of some kind? Also, is it legal to sell these items to certified electricians ...
1
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1answer
27 views

Ceiling fan remote not working

I lost the canopy bracket along with the receiver and remote to my ceiling fan while moving. I then ordered an exact replacement receiver and remote for the fan, and when I had someone install it, the ...
0
votes
2answers
74 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 ...
1
vote
1answer
23 views

Fridge popping breaker when plugged into garage outlets

I moved a fridge into my garage. After about 2 mos, it started popping the breaker. I tried the other outlet in the garage, same thing. I ran a heavy-duty extension cord to a storage room off the ...
0
votes
0answers
18 views

Double wide electrical, crossover looped in light switch [closed]

Two of three switches (exhaust fan and overhead light) stopped working in my master bath because of ants. This is a 1997 double wide by Atlantic Homes. I bought the same exact WDS toggle switches from ...