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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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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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71 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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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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58 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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39 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
58 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 ...
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2answers
422 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
26 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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43 views

Can GFCI trip by inductive kick & capacitive coupling?

Update. The GFCI can also trip when the power supply was put on the load side instead of the input. Here the input is open. So it's not current inbalance in the sense coil, please explain how can ...
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29 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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1answer
60 views

how is a blank wallplate attached to drywall

Are blank wall plates normally attached directly to a drywall with screws, or it has to be fixed to electrical box?
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63 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
76 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
87 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
57 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
51 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 ...
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1answer
77 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
33 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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2answers
74 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 ...
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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
43 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
56 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
85 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
49 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
48 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
51 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
60 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
83 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 ...
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1answer
45 views

Trying to install Leviton smart switches replacing two older switches

Am I installing this correctly? I'm trying to install two new Leviton smart switches. Had two neutrals tied off, so pig tailed them. Does first switch need be replaced as well? It's a Lutron dimmer. ...
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3answers
64 views

Question concerning power outlet

EDIT: the outlet is not freely moving behind the cover; I just managed to move it to the side by a fraction of a millimeter and moved it back with some effort. Also, the main question is whether what ...
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1answer
32 views

Is UF allowed everywhere NM is allowed?

NM is interior Romex; UF is similar but is rated for outdoor and direct burial. Randomly checking Home Depot prices there seems to be an anomaly on 100' 12/3; UF is less than half the price of NM. ...
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0answers
26 views

Light on when should not

We replaced our light fittings to ceiling fans with LED lights remote controlled, so the switch is always on but the remote controls the light and fans. There is a problem on the top floor where 3 ...
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2answers
44 views

Installing WiFi Light Switch - No Neutral

Hello I am trying to install a WiFi light switch that requires a neutral line. I could look at the Lutron but I figured I would ask about this possible solution as I have these switches elsewhere. I ...
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2answers
88 views

Old Work Box for Vanity Light?

So I went to go change my bathroom vanity light today and discovered that it simply had the wiring coming through a hole in the wall and the previous vanity was literally just screwed into the wall ...
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2answers
45 views

Reducing voltage drop to shed

I ran about 90 feet of direct burial 14/2 wire from an existing breaker box from a 20 amp breaker to my new breaker box also 20 amp. I had everything done but now it is tripping the breaker in the new ...
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1answer
84 views

Why is neutral wired to ground at this switch?

I was looking to add an outlet near my light switch in the garage. When I opened the box for the switch I noticed that the neutral is wired to the ground. In the picture of the switch, the top wire ...
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2answers
44 views

Do I need to use an outdoor or wet electrical box for garage sink area?

I'm installing some metal surface-mounted boxes for receptacles in my garage utility sink area, with emt between them. I will use a GFCI receptacle, but do I need to use water-tight conduit and boxes ...
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1answer
22 views

How can I add a switch into an existing circuit but only control some of the circuit?

I'd like to put all the lights in my unfinished basement on one switch. I've got carpentry experience but only novice level wiring experience. Right now the lights are all on pull-chains. The ...
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1answer
50 views

Breakers for living room was working, but has stopped after I turned breaker on/off

I have one circuit of outlets and lights in my living room that stopped working one day. This happened after I turned off all the breakers to the house and when I turned everything back on I noticed ...
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1answer
26 views

Hot line creating circuit with ground

Two receptacles and a sconce -- all sharing a wall -- stopped working the other day. I took everything apart looking for loose connections and found the following: The two receptacles only have one ...
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1answer
44 views

determining if neutral or ground

I have 4 black wires coming up to feed a spa. I have been able to determine the two hot wires but not able to tell which of the two wires is ground and which one is neutral. How can I distinguish ...
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1answer
37 views

electrical amps

Could anyone tell me how to calculate the start up amps of my vacuum pump, The information I have is: Thomas motor. 115v 60HZ 4.2amps 370V AC cap rat 15mfd AMB 40c Any help would be much ...
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1answer
39 views

Why is the power to three bathrooms' lights out?

I have no lights in any of my bathrooms which i have 3.i checked all outlets and they have power. I reset all breakers and still no lights. Any ideas?
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3answers
266 views

Can I use a 15A breaker for a 10A baseboard heater?

First off, I wear many Hats (jack of many, master of...some) I refer to the 2017 NEC often and able to answer my questions most of the time. This one bounces my brain too much. Providing this answer ...
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3answers
37 views

Replacing 3 bulb fixture with LED fixture

I have a kitchen light fixture with 3 bulbs. Each bulb has a black and white wire attached. This fixture is on a 3 way switch. I am replacing the current 3 bulb light fixture with an led fixture ...
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1answer
34 views

How do I switch a ceiling fan to a regular light fixture?

I live in a trailer that was built in 1974. I took down a ceiling fan that was hanging way too low for my height. I was very surprised to find 6 wires hanging down from the ceiling. Two of the wires ...
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1answer
65 views

Can I install a new 30A breaker in an empty slot in 125A panel?

I got one of these Wen #3403 Dust Collectors as a Christmas gift and I'm wondering if hooking it up is a matter of installing a new breaker and running a 10/2 line to the garage. I have air ...
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0answers
42 views

Furnace Repair Gone Wrong?

My furnace stopped working last Saturday so I started troubleshooting to find the problem. I found that the board was not providing 110V to my inducer motor. So I determined that I needed a new board. ...
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1answer
68 views

Is it okay to reuse Alumiconn connectors?

After having redone the aluminum-to-copper pigtails in my house's electrical outlets using AlumiConn connectors, I subsequently had to undo a few to debug a wiring problem. All I did is unscrew the ...
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3answers
46 views

using cental ac circuit in winter for regular outlets

Is there a way to have your 240 central ac unit circuit double as a regular outlet in winter time for use in christmas decorations