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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1answer
147 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?
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3answers
219 views

Why do my LED Christmas lights glow when plugged into a light fixture via an adapter?

I have an outside light that is controlled by a light switch inside. I took the light out and put a adapter to plug in an extension cord to run LED Christmas lights. When I turn the switch off, just ...
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3answers
470 views

Why would my TV turn off/on when connected to a surge suppressor?

I have a very strange problem which may or may not be the TV. The TV is plugged in to a surge suppressor with the rest of my home theater. Satellite box is also plugged in to the suppressor, ...
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1answer
601 views

How do I add grounding to my old electrical wiring?

This old house is (50's) is wired with cloth covered 12/2 Romex with no ground and all metal boxes. Can I just run a 12 ga or 14 ga solid wire between boxes and then to the ground bus of my service ...
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1answer
335 views

Can I use a switch loop to power a ceiling fan?

Need your help, please. I have a single pole switch that controls the wall’s receptacles. It has one 14/2 cable, white/black/ground, where the white is hot. I would like to install a ceiling fan. I ...
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3answers
748 views

Will the second light in this circuit light up?

When talking about neutral faults in this answer, I (incorrectly) said that a neutral fault could lead to a shock hazard. It was pointed out in the comments that I was dead wrong, and that the ...
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1answer
747 views

NEC Definition of “Maintained Spacing” for Wire in Free Air

This seems like a simple question, but I cannot seem to find the answer in the 2008 NEC. There are references to "maintaining spacing" in many sections of the code such as the following: ...
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4answers
17k views

Breaker being tripped - Oven or wiring?

Recently, our oven was left on all day, and sometime during the day it tripped the breaker. Now, whenever the oven is used (only for heating pizza, so 10-15 minute timeframe), the breaker trips ...
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5answers
2k views

Can a NEMA 6-15 Device be connected to a NEMA 6-20 receptacle?

I have a new -80 deep freezer that calls for NEMA 6-15R receptacle, but the old one it is replacing called for a NEMA 6-20. I note that the plug actually seems to fit in the 6-20, but is there a ...
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3answers
5k views

What causes a breaker to trip?

In a normal, properly-wired home, what are the possible causes of a tripped breaker? At 110-120V is there a maximum wattage throughput on a single breaker? I'd like to understand the system to be ...
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1answer
1k views

Can I steal a neutral wire from another circuit?

I have some Z-wave light switches that I want to install; below is a link to the diagram for the light switches. Basically I can have all the wiring completed minus the neutral wire for the switch at ...
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2answers
3k views

Why is my fuse board buzzing when I'm using the shower?

I have used an electric shower for years no problems, but all of a sudden my fuse board started buzzing when I use the shower. I replaced the shower with the same size unit and it still makes a ...
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3answers
598 views

How easy is it to fit a garage door opener?

My wife is desperate to have a garage door opener, and she's found this kit at B&Q. Can anyone advise on how easy/straightforward these things are to install? It'll be me (and most likely my Dad) ...
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1answer
920 views

Proper wiring for GFCI given switched circuit

So I've added the 3-prong plug to my garbage disposal, and now I'm on to the GFCI outlet installation. The breaker was not GFCI protected, nor is there a GFCI outlet on the loop. I've gotten to the ...
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2answers
3k views

Why GFCI clicks, even when turned off?

I have a GFCI receptacle that is clicking. Every 5-10 minutes it clicks repeatedly for 1-2 seconds. The GFCI is turned off (the RESET button is sticking out) but it still clicks! What does this mean? ...
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1answer
88 views

Testing a transformer

I have a Comfort home control system. This takes 15V AC via a transformer (from 240V). It's been working for years, but last week the fuse blew. It's a 250mA fuse on the mains side of the transformer. ...
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1answer
77 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 ...
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1answer
147 views

How can a voltage screwdriver light up when I test the ground wire or chassis of my washing machine, but multimeter reads no voltage or current flow? [duplicate]

I have been receiving shocks from my washing machine. My proximity voltage detector beeps near the chassis, drum and ground wire. My voltage testing screwdriver also lights up when touched to them. ...
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1answer
69 views

What is causing my electric problems?

So I have power going into junction box into attic 12g/20A. It fed a light switch, the light switch was chained to microwave outlet. Also in that junction box and connected to the light switch line ...
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1answer
121 views

Upgrade from outlet/switch combo to GFCI + outlet

In a bath in my house I currently have a very old (likely original 1949) outlet/switch combo. The outlet is hot, not dependent on the switch being on. The switch controls vanity lights. I would ...
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3answers
3k views

2 prong to 3 prong outlet help

I don't know too much about replacing outlets, only what I've read online or through YouTube videos. The house was built in the early 50s. Some outlets have been replaced (brand new kitchen) but some ...
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0answers
11 views

chirping sound i cant figure out where from [duplicate]

I have a chirping sound in my house that I cant figure out... So first I changed all the smoke detector batteries, still had chirps, then bought 8 brand new smoke detectors wired them all in , still ...
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0answers
21 views

TV Arcs with Cablebox through both Coax and HDMI [duplicate]

Here is our setup Outlet in older house that was replaced with a GFI last year. (no issues until recent) The GFI doesn't have a ground wire running up from the basement. Just the white and black ...
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1answer
144 views

Controlling two fixtures on same circuit independently

I currently have an existing loud bathroom and a ceiling light on he same circuit. The wiring goes from the switch to the ceiling box and then to the fan. Both of these are controlled by the same ...
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1answer
164 views

Are the connections in the pictures below an attempt at stealing power for another apartment

I need help indentifying if the connections here are stealing power from one apt. for use in another.suspect
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6answers
6k views

Is there a motion sensor light switch that does not need ground?

My house was built in early 1950's and all electrical switches do not have a ground. This was found out with an electrician when I asked them to install Lutron Maestro, but it would not power on since ...
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1answer
906 views

Removing broken screw from electrical box

How can I remove a broken screw from an electrical box? I have added a picture below. I was attempting to replace the outdoor outlet, as I described in this question. I was using a brand new screw ...
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1answer
222 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 ...
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1answer
9k views

How do I wire a 3-way motion sensor?

I am trying to install a motion sensor switch on a 3-way switch in my laundry room. both 3-way switches function normally if I use them now. One 3 way switch, we will call it #1, is by itself. It has ...
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2answers
3k views

Can I use a receptacle and switch for a dishwasher and garbage disposal?

I would like to install a receptacle under the sink to control the dishwasher and garbage disposal, with a single pole single throw switch mounted in the wall above the counter top to control the ...
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3answers
634 views

How do I install a dimmer switch?

A friend was trying to help me install new dimmer switches and instead of disconnecting one wire and putting it on the new switch, he just cut the wires and couldn't figure out how to put them back. ...
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2answers
125 views

Electric ground from another circuit

I have a circuit that has a couple outlets and they used 2 wire no grounds. Can I replaced the wire with 3 wire for the outlets and add new 3 prong outlets. It is a long difficut way back to my panel ...
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1answer
1k views

How can I connect a 120V compressor to a 3 phase WYE 208 electrical system?

I have 4 cables from a power supply which are 3 phase WYE 208 volt. so if I measure between neutral and hot I get 120V. The problem is that I need to hook up a compressor for 110V single phase (just ...
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1answer
355 views

Can I use a T5 HO lamp in a non-HO luminaire?

Does anyone know what would happen? Does the ballast limit the power? If the T5 HO lamps were less expensive than T5 non-HO lamps, would it be ok to just use them in a non-HO luminaire?
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4answers
6k views

How can I use a separate transformer to provide a C wire to my thermostat?

I Purchased the Honeywell WiFi Prog Thermostat to replace my Round Digital Honeywell Thermostat. I have separate Heating and Cooling (Heating is a Weil McLain Boiler for Hot water baseboard and Hot ...
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2answers
186 views

trying to save a cheap electric driller

I wanted to use an old electric driller that it's battery has worn down and i couldn't find a new battery. on the battery it says 7.2V. So i took a AC-> 7.5V DC 1A Transformer and used it in place of ...