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Questions tagged [electrical]

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 it is also highly recommended.

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Can I remove the sheathing from cable just where it passes through conduit?

I am adding an outlet in my unfinished basement from a cable that will run from the ceiling down a corner of the room. I was going to just attach the cable to the studs but I would like to protect the ...
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1answer
36 views

Can I replace a standard outlet that's protected with an upstream GFCI to prevent nuisance trips?

I have a GFI outlet in one bathroom controlling a non-GFI outlet in another bathroom. Can I replace the non-GFI with a GFI and will that stop the non-GFI from shutting down or do I need to have and ...
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1answer
49 views

adding sockets to rooms

In my house in Cambridgeshire England I added 2 sockets to front room and bedroom the sockets was added into the ring main. This was done 10 years ago. Now that I am selling my house, do I need to ...
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23 views

How to add grounds to a 120 amp panel and grounds electrical outlets

I'm buying an older home. The inspection showed no ground on the panel and no ground on some outlets. I'm assuming the outlets are near water, sinks, etc, that need the reset protection. I currently ...
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0answers
21 views

Light and fan remain constantly on after changing bulbs to LED

Recently replaced old 40W ES bulbs to LED ones with the same fitting. However this causes the light and (timer) fan in the bathroom to remain consistently turned on despite the switch being in the off ...
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1answer
12 views

Adding dimmers to two LED circuits, which have dimmable bulbs - each circuit has three switches

Two existing LED cluster circuits (almost new house) - they have dimmable bulbs (4 & 8 respectively) and three switches each. Is there only one way to properly wire these circuits? If not, do I ...
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0answers
28 views

How do I rewire 2 different switches controlling 2 different lights so that each switch is a 3-way switch controlling both lights?

Current situation: I have two regular switches (SW1 & SW2) and two ceiling lights (L1 & L2) in a long hallway, and each switch controls one of the lights. So SW1 controls L1, and SW2 controls ...
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15 views

wire size for 100 amp service in underground conduit [duplicate]

what size wire do I need to run 130' from a 200 amp panel to a 100 amp panel in buried PVC pipe
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3answers
41 views

How to wire multiple 240V, 20A electrical baseboard heaters

I have two baseboard heaters to install on a 240V, 20A circuit. One heater is 1500w and the other is 2000w. From my panel, I leave the 20A breaker with 12/2 wire to reach the first baseboard. ...
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1answer
34 views

Can I fill space in junction box wire clamp?

After removing some unneeded circuits from a subpanel the wires are not as tightly clamped at the box entry as I would like. They're not loose, but I would prefer zero wiggles. Is there an approved ...
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1answer
29 views

Lighting feeds all meet

The lighting is on one breaker 15amps not really hard to deal with but the feeds some how all come down stairs to the work shop where they dead ended in to a box some where connected by tape and tape ...
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2answers
56 views

Why do my bathroom outlets only work if I plug in a particular device?

I just bought a newer home with three bathroom. There are four outlet combine in all bathrooms and none of the works correctly. If I plug in any corded appliances it will not work but if I plug in my ...
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2answers
42 views

Why are the lights and fans in my home flickering and varying in speed?

I have very weird electrical behavior in my house. Fans will suddenly slow them speed up. Lights flicker randomly for for random times. 2-10 seconds. Everything in my home is wired with 12-3 wiring. ...
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1answer
42 views

New subpanel breaker that is defective

I bought a new subpanel, and the main breaker is already defective (brand Siemens). It can't be switched open (even isolated on piece of paper like in the picture). It returned to close position ...
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0answers
35 views

Electrical rough in

I have 2 question on electrical rough-in 1) For the outlet boxes, do I strip and wire nut the wires or just roll them up and tuck them in for the inspection? 2) For my recessed canless LED lights (...
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1answer
40 views

Trying to add an outlet on other side of wall, 3 pairs of white/black wires and ground

I have a new build house about a year old and I'm trying to add an extra outlet to the other side of the wall in the picture where I already have one outlet. I am fairly good with electrics, but this ...
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1answer
34 views

Two GFCIs in series, which would trip?

If you have two GFCIs connected in series, which would trip first or both?
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0answers
29 views

Discoloration on load center bus bar

I recently replaced our main load center with a larger one. I was planning to use the old, smaller panel as a sub panel in an addition we are building. After removing the breakers from the old panel,...
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3answers
3k views

What is this strange coiled wire and should everything be redone?

Problem 1 So I'm going through my house, replacing the switches and came across this switch that controls a fan in my bathroom. It looks like this may have been something the previous owner did, and ...
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2answers
27 views

Remove a 3 way switch to install fan remote

Newb so be gentle. I installed a fan that doesn't seem to be wired for a separate fan and light switch at the wall, so I capped off the red wire from the ceiling at the fan, and installed the fan ...
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0answers
12 views

Wire type for under floor heat film

I am preparing to install under floor heating film. The instructions say: Type UF single conductor or equivalent. I have THWN-2 wire, would anyone consider that equivalent, or can you think of a ...
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1answer
36 views

Why does my GCFI plug trip when I connect the ground?

I installed a GCFI plug at the beginning of a series in my basement. As soon as I turn the power back on, my GCFI circuit trips. I discoverd reverse polarity in several plugs. Could that be the ...
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0answers
31 views

Electrical Cable Detector Goes Off On Several Walls

I have the Bosch GMS 120 sensor detector that I have used to successfully install several wall-mounted shelves and bits of furniture. There seems to be a problem with live wire detection in my home, ...
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1answer
29 views

Adding a light to an existing switch

This may require a diagram, but as I’m doing this from my phone, that’s not doable at the moment. I have an existing ceiling fixture in a bathroom that has 3 sets of wires going into it (no ground): ...
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2answers
53 views

backfeed generator to house

Can I backfeed my home with two suicide cords, 110 each? I do not have a 220 gen, only 110. I do not have any 220 outlets in the house. Have natural gas for furnace and dryer and water heater. House ...
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1answer
42 views

Should I bond pipes to ground in detached building subpanel?

In California. My subpanel has a dedicated ground conductor run to it (ground and neutral bonded only at the main panel). The subpanel is in a building with its own plumbing, not connected to pipes ...
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1answer
57 views

Wiring a light switch

I am trying to install a new single pole light switch in a restroom. I previously had a push button switch that has an off, light, heater, and fan button's and also a light to show when the heater is ...
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0answers
37 views

Radiant floor heating head unit turns off when turn lights on

My radiant floor heating head unit and the light switch are in the same box sharing power in lines split between the 2. Whenever I turn the lights on in the room the floor heating head unit turns ...
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3answers
53 views

How can I extend an electric wire without a large cross-section connector?

I want to extend a couple of electric wires coming out of a ceiling to get to a hole at the top of a lighting fixture. Let's assume for the sake of discussion the lighting fixture is fixed and will ...
5
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2answers
399 views

Big Voltage drop

Had an instance before when I had a voltage while running on a treadmill. I flipped all the breakers and it seem to work again for a month and now it is back and now when we use a high load appliance ...
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1answer
24 views

Wire Connector For Heated Blanket

So for Christmas I got my wife a king size heated blanket. She absolutely loved it. Unfortunately a two weeks ago we also got a new dog and it started using the cord as a chew toy. What would be ...
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1answer
32 views

Can GFCI trip by inductive kick & capacitive coupling?

Here is a GFCI youtube video that continuously trips when you use water shaded pole motor. It doesn't trip on other appliance, The motor was surrounded by plastic, glass surface and glove hands so ...
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0answers
18 views

Hunter Ceiling Fan with Remote to dual switch on wall - how to wire?

Long story short, all was working per my question below as installed by a contractor(I'm 99% sure) - until it came loose from the ceiling and i quickly undid all of the wiring (lesson learned - quick ...
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2answers
59 views

How to safely cap a wire coming from a wall

I'm in the UK. I have taken two electric radiators off the wall, one behind where my fridge goes, and one behind a set of shelves. Each radiator has a standard (live/neutral/earth) wire coming out of ...
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2answers
70 views

Main Breaker - Miswired connection Question

I am little confused and will be hiring a licensed electrical person to look at it, but wanted to get an idea of what maybe going on or if anyone has any experience seeing this type of issue. In 2006 ...
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1answer
82 views

Need help on wiring on these kind of outlet

I live in the philippines, and i'm no electrician. but I have some ideas about wiring. I want to know how these 2 separate outlets should be wired correctly on one power source(only 2 wires). They ...
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2answers
51 views

External TV antenna grounded inside attic?

I want to install an OTA external antenna to an existing satellite dish mast, I have removed the dish and plan on just attaching the antenna. The existing dish mast was never grounded, there are also ...
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2answers
49 views

How do I exchange a non polarized Christmas light plug with a polarized plug?

One of the two wires on my small white Christmas lights broke off at the male plug (which has a fuse and is non-polarized). It broke right against the plug so I can't strip each side of the broken ...
2
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1answer
72 views

Must a flush-mount panel actually be flush?

I'm in California. I have a flush mount electrical panel. I'm looking to install a second layer of drywall over the existing for acoustic reasons. This will result in the panel being inset by 5/8-...
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1answer
32 views

Smart switch wiring

I’m swapping out a single light switch for a smart switch. The wiring from the gang is a single cable with red, black, ground, white. The neutral wire was unused in the original switch. The smart ...
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1answer
57 views

1 Hot Wire. 2 Breakers. 2 Circuits

I have a duplex outlet that appears to wired in series. The outlet appears to have 12/2 in and 12/2 out. My hot wire from the breaker box remains hot unless I have 2 different breakers off. I am ...
2
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1answer
59 views

Should I Ground a Generator Powering an UPS?

My inverter generator's manual states that "If this generator will be used only with cord and plug-connected equipment, National Electric Code does not require that the unit be grounded." I am not ...
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0answers
42 views

Will improved panel grounding resolve AM radio static?

I live in a manufactured house. I have two electrical panels--one outside on the electrical pole where the electrical meter is at and another one in a utility room in the house. The one on the pole ...
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0answers
50 views

48AMP kiln on 60 AMP breaker *must be* direct wired in Canada?

I am trying to find out what part of the Canadian electrical code requires that the 48AMP kiln, on a 60AMP breaker requires that it must be direct wired, instead of using the NEMA 6-50 receptacle ...
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3answers
84 views

very fine solenoid wires won't burn from AC source?

I've seen tiny solenoid electromagnet (that is the solenoid used to open contacts inside a GFCI receptacle) with very fine wire used in the winding.. won't it burn if exposed directly to 120v ac power ...
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2answers
48 views

How can I correct wiring of a half switched receptacle?

In the living/dining area (of a home I just purchased in a new city/state where I don't yet know an electrician) there are 5 outlets with the lower-half switched. I was attempting to eliminate ...
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2answers
47 views

Can I replace the receptacle and breaker on a 40A circuit with 30A equivalents?

I have a 40-amp circuit that previously was used for the oven/range in my house, though I switched to gas so the circuit is no longer in use. If I wanted to install an L6-30r (30-amp receptacle) on ...
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3answers
42 views

Much higher energy use, maybe due to an old electrical heater?

We had an 100% increase of power consumption last and this year. It is mostly the night-tariff, which we now consume 27'000 kWh The day-tariff is only around 2'500 kWh. First we thought this may be ...
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1answer
51 views

Can I extend cloth cable with romex?

I have a house from 1960s. I need to extend a cloth covered wire (contains hot, neutral and ground wire). Can it be safely done with a romex 12/2? This is for a light bulb. So I just wire the ...
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1answer
79 views

Why don't my devices have power after separating one room's wiring?

I’m rewiring an upstairs room so it is separate from the other three rooms and found two wires which are both black and separated from each other. One is hot and the other is not. After tracing it ...