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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0
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1answer
289 views

Plug-In Power Monitor causing washing machine drum to become electrified?

I bought this plug-in power monitor four years ago. I have used it all over my house without issue. I should note that it is designed for UK plugs (I'm in Australia), so I've had to use some plug ...
2
votes
3answers
2k views

How to poke coaxial cables out of a wall nicely?

I have coaxial cables that are poking out of walls in numerous places all over the house. I don't use them and I don't know why there's so many coming out of each hole. These were left by the previous ...
6
votes
1answer
403 views

Do I have to obtain a permit if an electrician does the work?

I'm looking at installing a new 220V outlet in my home garage. My town requires a permit for any alteration to an electrical system. Typically, if a certified electrician installs this for me do I ...
1
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2answers
13k views

What gauge wire is typically used for the input to a home breaker box?

I have a moderately-sized home (~2400 sq. ft.) in the United States that was constructed in 1999. I am looking to build a home energy monitor to track my electricity usage versus time. Obviously, in ...
1
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1answer
56 views

Turning two switched outlets into a half switched outlet when only 2 wire is used.

I have power coming into a switch and then proceeding on to two outlets. Only 2 wire is used. Am I able to half switch one of the outlets if there is only 2 wire available?
1
vote
1answer
722 views

Hallway light with multiple switches doesn't always work

I have a light in the entry hallway that has four switches that can turn it on. Lately if I turn this light off using the upstairs switch, none of the others can turn it back on until I turn the ...
4
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2answers
8k views

Is a multi-strand conductor better suited for house-hold wiring than a single-core?

Back-ground: The wiring at the residence dates back a century - almost. The old wires were wound in cloth, and are pretty thick aluminium/tin-coated copper. The old energy meter (one with a marked ...
1
vote
1answer
165 views

Why are two breakers controlling the same circuit?

I don't know too much about wiring and such, but I can get my self into trouble. At the church I go to there is a set of chandeliers (4) in the sanctuary. Each one of them has two sets of lights in ...
5
votes
5answers
22k views

What kind of wall switch is needed for a natural gas fireplace to ignite consistently?

When we moved in, our natural gas fireplace worked well: Flick the switch & it would ignite. Years later, it started acting erratically: Sometimes, the switch worked, other times, no luck. We'd ...
0
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2answers
895 views

How to install this double switch

After totally re-shape my stairwell i got some issue to re-cable my double switch. I tried a lot of combinaisons, read some docs but nothing works... Here is the settings: That switch is a double ...
1
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2answers
462 views

Is this a normal fault mode for an arc fault or what is happening in my wiring to cause my AFCI to trip

Sorry for the long preamble. I'm doing a remodel which involves adding a new guest room which shares a wall with the kitchen. I remodeled the kitchen a few years ago, so I have a good handle on the ...
1
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4answers
6k views

Live wires everywhere?

I wanted to install a shelving system into my closet. The stud finder seems to detect live wires over a large area (approximately 4 by 4 feet!) The closet is in the basement, with no power outlets ...
2
votes
1answer
204 views

Replacing existing 9“ dome fixtures with new 13” ones

I purchased three 13" LED dome fixtures for my kitchen over the sink and the two bathrooms. I removed the original fixture and the existing brackets screws are only 4" apart. The new fixtures do not ...
1
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2answers
166 views

What is this type of lead called and how do I wire to it correctly?

I'm becoming more frustrated than I'd like to admit trying to wire this button up, and I often find the easier method it was designed for when I'm having this much trouble. Sorry for the poor man's ...
3
votes
3answers
18k views

Are T-8 lights and T-12 lights safely interchangeable?

I have a fixture that came with T-12 lights. Is it safe to use T-8 bulbs instead?
1
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3answers
4k views

Newly installed ceiling fan, lights turn on and off on it's own - dimmer switch, breaker or light bulbs causing issue?

Help, I have a newly installed ceiling fan that is controlled by a remote control and the wall has a dimmer switch. (We had a smaller ceiling fan in place and replaced it with a larger fan to fit the ...
1
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2answers
9k views

Do you have to mount the main electric panel on a piece of plywood?

Do main panels have to be mounted on a piece of plywood? Can it be mounted in between two studs then insulating fiberglass behind it?
-1
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1answer
452 views

How to identify circuit breaker to non-functioning built-in microwave oven?

I have a wall-mounted over-the-range microwave oven that is completely non-operational at the moment; from the user's point of view, it's as if it were unplugged, but it is. Unfortunately, access to ...
1
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2answers
1k 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 ...
1
vote
1answer
208 views

Is it safe to replace a GFCI breaker with an arc fault breaker?

We recently had our electrical panel replaced/upgraded and I noticed that our GFCI breaker was replaced with an Arc Fault breaker. Is that safe? Are GFCI breakers obsolete now?
2
votes
1answer
134 views

Does this arc fault breaker manage one or two circuits?

I recently tested our breakers to see what was mapped to what. In the process of doing this, I noticed that our arc fault breaker is handling a LOT. Specifically: 4 bedrooms 2 bathrooms Family ...
1
vote
2answers
122 views

What's the minimum amount of electricity used by an appliance?

My Kill A Watt P4400 by P3 International shows 3 watts electricity usage if anything is plugged in. Do things plugged in, regardless of whether they are ON or OFF, really use a minimum of 3 watts or ...
1
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4answers
3k views

How do I fish a wire into an existing electrical box?

I have a 2-gang switch box that houses two light switches. I'm replacing one of the switches with a Honeywell Programmable Light Switch PLS751, which requires both an ungrounded (hot) and a grounded ...
2
votes
1answer
149 views

Can I prevent power theft?

I have heard stories about miswiring and other, less accidental ways that power gets stolen, especially in rentals and condos. I would like to protect myself from false charges if I end up moving into ...
1
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2answers
85 views

237V seen across terminals of a dimmer switch when 'off'

I have a household, dual module dimmer switch. One module is working and dims a 3A sidelight loop, the downlight loop with 4 drivers doesn't work and I'm fault finding. I noticed on the working ...
1
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1answer
1k views

Do I have to hardwire my electric garage heater, or can I use an existing 240V receptacle?

I just purchased a 17000BTU heater for my garage. The instructions say to hard wire it with 10/3 and 30amp breakers, 240 volt. The company says the warranty is void unless it is hard wired. I have an ...
0
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2answers
293 views

Can I use a normal 240v weatherproof on/off switch for an electric fence cut out?

A normal mains switch can be much cheaper and you could have a light to show when its on
6
votes
1answer
3k views

Is it OK to run 12-3 cable to a ceiling fan from a switch that's wired with 12-2?

I'm installing a ceiling fan into a room that has no existing ceiling mount (no light or ceiling fan previously existed). I've got a ceiling fan mount in place with a supporting brace that can support ...
5
votes
3answers
3k views

What should I do if my vacuum trips my AFCI device?

I have a vacuum that trips the AFCI device of the circuit that services my bedroom. The vacuum has some age on it, and there is some wear on the motor's commutator. This wear causes electrical ...
3
votes
2answers
203 views

How can I insert a receptacle into this junction box?

I want to install a receptacle into an existing junction box (photo below). Within the box, there are three neutrals (white) and five hot (two black, two blue, and a red). All of the wires have wire ...
1
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2answers
983 views

Wiring the Auxiliary switch on a 3-way switch

So, I am currently trying to wire a 3-way switch, but specifically the Jasco 45609 and its auxiliary switch counterpart the Jasco 45610. The Jasco 45609 has 5 wire inputs: Load Line Ground Traveler ...
11
votes
1answer
8k views

Is it “normal” for a vacuum cleaner to trigger an arc fault breaker?

We recently had our main electric service panel upgraded (from a 50 year old 100 AMP panel to a 200 AMP panel). As part of the upgrade, the electrician installed an arc fault breaker on the bedroom ...
0
votes
2answers
461 views

How should I mount a rework box if it has to go through an MDF/wood panel and drywall?

I need to install a combination power and low voltage box in the ceiling of my finished basement for my home theater projector. I can't bolt the projector mount directly to the studs because of ...
0
votes
1answer
43 views

Can I share the dishwasher or other appliance lines from adjacent room lines?

I've read the posts by Tim and Mitch posted in Sept. I'm remodeling the kitchen with all new wiring. I've never had a dishwasher, but will at some point. I only have enough space for a 24"er, so ...
1
vote
1answer
3k views

Do I need conduit for an indoor sub-panel feeder line?

I'm adding a 100A sub-panel to feed a stove and water heater. The sub panel is indoors and in the same building as the mains panel. Do I need to run the supply feeder in conduit? I'm in Michigan and ...
5
votes
3answers
551 views

How can I check for electricity theft?

My electrical bill is very high despite less usage. I fear there is electrical theft used by my landlord. How can i check this? The meter is under lock and access provided only on request. Please ...
2
votes
2answers
668 views

Did I damage the breaker by incorrectly wiring a generator?

During a power outage I attached my generator incorrectly (I have never done this before - I just was not paying attention). Anyway, I crossed the ground at the box with the black. When I turned on ...
2
votes
2answers
359 views

How can I connect a receptacle to a two wire extension cord?

How do I hook up a wall outlet to a 2 wire extension cord? My cord broke and I want to put a regular 110 outlet on it.
2
votes
1answer
50 views

Can I go from a 3-prong outlet and connect to a 2-prong outlet and switch?

I have rewired the first 2 outlet in a circuit with 14-2 wire. However, I do NOT want to rewire the rest of the circuit because it is inside non-accessible walls. The rest of the circuit is a front ...
3
votes
3answers
26k views

Is is safe to plug a surge protector into a 2-prong outlet using a 3-to-2-prong adapter?

I live in an apartment that has essentially no 3-prong electrical outlets. I need to plug in a modest amount of computer equipment (which has a mix of 2- and 3-prong plugs), and I want to plug this ...
2
votes
3answers
4k views

Can I connect a portable generator to a subpanel to backfeed my house?

I have a portable 6500 W generator. I have a main house electrical panel and a subpanel in my garage, which are on opposite sides of the house. My subpanel is on the outside wall of my garage. The ...
2
votes
1answer
101 views

Why electrical switches are rated lower for led than incadescent lights?

I bought a dimmer that supports ic, halogen, led and cfl lights. It says 600w for incadescent and halogen and 150w for led and cfl. Why is the difference? What happens if I put it in a circuit with 8 ...
4
votes
1answer
3k views

Can I run NM-B inside EMT conduit for protection? [duplicate]

If I'm adding some new receptacles to a garage, and the wiring will be run surface-mounted to walls and ceilings, I think protecting the wiring with EMT conduit is probably a wise way to go. I'm ...
5
votes
2answers
2k views

How are equipment grounding conductors counted for determining conduit or junction box fill?

Suppose one is doing junction box fill calculations for a typical NM-B installation such as the one shown below for a switch box with one normal and one three-way switch. Which of the wires count ...
9
votes
1answer
27k views

How can I determine circuit breaker requirements for an electric range?

I recently had a new range installed and when an electrician was visiting, he pointed out that the circuit was over capacity because the range was rated at 12.2KW at 240V. He said 12,200 W / 240 V = ...
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1answer
383 views

Residential electrical installation, at what voltage is a licensed contractor required?

I'm trying to figure out regulatory requirements for residential electrical installations. Specifically, when is a licensed electrician required by code to perform an installation? Obviously you don't ...
3
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2answers
2k views

Why was the ground for this fluorescent fixture not connected to the ballast?

I just purchased a set of fluorescent fixtures that are fitted with a plug to connect to a standard 3-prong receptacle. My intention is to replace the plug with Romex cable, and wire the fixture ...
1
vote
2answers
8k views

What should I do with the exposed grounding wire during a conversion from hardwired to plug in light fixture?

I am working to convert a hard wire light fixture which I have purchased to a plug in light fixture. The light fixture was designed for outdoor use, but I will be using it inside. Coming out of the ...
0
votes
2answers
3k views

How do I replace this switch with a timer?

I was trying to wire in a timer switch for a vent fan. When I went to replace the switch (which I knew was a 3 pole) I was baffled by the way it was wire. 4 wires run into the box, two of the hot ...
0
votes
1answer
87 views

How do I repair a bedside Lamp? [closed]

My beloved bedside lamp fell down, on the carpet, so it wasn't a big hit, and stopped working. Now, I tried to replace the bulb, but it doesn't change anything. Since this had happened to me another ...