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
7k views

How to add GFCI to a box with one outlet controlled by a switch?

I'm pretty inexperienced when it comes to electrical work, though I do know my way around a circuit diagram, thanks to some EE courses in college. I think this is one I can do myself, I just would ...
2
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1answer
904 views

several outlets dont work on same circuit

I tested my outlet and only had 85 volts on the black side and 24 volts on the white side why? There are several outlets on the same circuit that don't work with the same readings.I checked power in ...
2
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1answer
4k views

Potterton EP3000 -> Horstmann C27 boiler programmer wiring

I'm in the UK, using an ancient tempermental Potterton EP3000 boiler programmer, but I have a brand new Horstmann C27 which I'd like to replace it with. Apart from the mains supply, there are three ...
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5answers
3k views

Why are there multiple receptacles by amperage?

I could imagine the various receptacle shapes being a tool to protect you from making a mistake about what you plug in. Consider a 15A breaker with 14ga wiring to NEMA 5-15R receptacles. The circuit ...
2
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1answer
506 views

Adding new lights to a switch

I have a single light controlled by a switch in my garage. It's really pathetic, so I decided to add some shop lights to the same switch. Upon opening up the light wiring box, I found not 1 but 4 ...
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3answers
10k views

Is there such thing as a 4-way dimmer?

I have a 4-way switch I want to replace with a dimmer. I understand I can put the dimmer at one of the other 3-way switches, but they're more out of the way. Does such a device exist? If not, what ...
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1answer
114 views

What are the building regulations in the UK for fitting a light in a bathroom?

What designs of lights are allowed? When do I need to get a building regulation inspection?
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1answer
160 views

Is it possible to notch framing studs for installing conduit w/out structure collapsing?

I have a garage which is a simple structure - 4 walls, garage door, and a normal door. The structure is framed as one would expect, studs 16 inches apart. I want to put some extra wood paneling as an ...
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1answer
131 views

Is there such a thing as an actual 60W draw LED or CFL bulb?

CFL and LED lightbulbs are sold as being "40/60/100 watt equivalent". They're designed and sold as replacements for a certain wattage of incandescent lamp. I have some fixtures where I want a very ...
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1answer
111 views

Does the NEC limit the maximum size of junction boxes?

In this question, the OP has constructed a large junction box out of several extension boxes attached to a "regular" junction box: Is there any upper limit on the size of a junction box (either ...
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1answer
111 views

Can I run a T5HO ballast with significantly lower wattage T5NO bulbs?

I gather this is generally possible, as long as bulbs draw less power than the ballast can provide, but are there limits on how low you can go? I currently have an electronic ballast for 1 or 2 54W ...
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4answers
195 views

What is the danger of reversing the polarity while connecting a dishwasher to the electrical service?

What is the DANGER, if any, of connecting the white neutral line of the dishwasher, to to black hot line at the power source--- and of course similarly connecting the black hot line of the dishwasher, ...
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2answers
581 views

Wires barely fit in gang box, is this okay? If not, where to get deeper boxes?

What to do when the wires barely fit in the box? We got them to fit with a lot of fusing, but I'm not sure if that's okay or not. Lots of smushing down and the outlet covers don't fit flush on some. ...
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3answers
113 views

Can I connect 12ga wire for a gas range to 10ga wire from the service panel?

I am remodeling my kitchen right now. Can I use the existing 10ga line which already been built and used in my house for an electrical range to hook up 14ga or 12ga wire for my new gas range?
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1answer
127 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
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3answers
4k 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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1answer
190 views

GE Load Center Q's

I have an old GE meter socket load center (see picture). I have no idea what the model number is because the paper label on the inside of the lid is unreadable, and I have been unable to find any ...
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3answers
24k views

How can I install a light fixture in the ceiling of a finished room?

In my dining room, I would like to install a ceiling light in the center of the room. This room is on the ground floor of a colonial two-story, so there is no attic access into the ceiling; my work ...
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2answers
112 views

Testing and proper breakers for a multi wire branch circit?

How do you determine if an outlet is part of a unidentified multi-wire branch circuit? Also, does code say MWBCs need to be on double throw circuit breakers and is it permissible to link CBs with that ...
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2answers
379 views

How to identify the purpose of this switch?

I have three switches in a box. One controls the light on the ceiling fan and one controls the ceiling fan. I cannot figure out what the third switch is used for. I thought it might have controlled ...
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2answers
7k views

What size breaker and wire do I need to run 2 GFCI receptacles and a flood light on exterior of my house?

Is it OK to use a 15amp breaker and a 14ga wire (14/2 copper) to run 2 GFCI receptacles and a flood light on the exterior of my home? The voltage is 120. The 2 receptacles are rated at 15amps and ...
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2answers
970 views

GFIC requirements for a Kitchen multi-outlet strip

I was thinking of replacing my current kitchen counter receptacles with a Hard Wired Multi-Outlet strip that would run below my cabinets. My question is How would I provide GFCI protection? Can a ...
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3answers
1k 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 ...
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3answers
227 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
810 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
637 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
450 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
875 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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4answers
23k 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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6answers
3k 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
6k 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
633 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
961 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
45 views

How do I install a ceiling fan with remote control when there are separate switches for the fan and light?

Our house was wired for ceiling fans. Currently there is only a light there. I purchased a Casablanca isotope 5000 series ceiling fan with wall transmitter. So, we have 2 wall switches. One for the ...
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1answer
125 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
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1answer
244 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. ...
0
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1answer
75 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 ...
0
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1answer
157 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 ...
0
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1answer
365 views

Is a junction box “accessible” if it is mounted behind/above a recessed light housing?

I am redoing our kitchen lighting. We currently have 1 fluorescent light fixture in the center with 2 T8 bulbs (ugly but a lot of light) and one decorative light fixture over the sink. I am going to ...
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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
189 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
173 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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2answers
10k views

How to properly ground a subpanel in detached building?

I Will be installing a subpanel in a detached garage. The subpanel will be 60 amp. The garage is about 30' from the main-panel in-house, and I will of course get an exact length before selecting the ...
0
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7answers
7k 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 ...
0
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1answer
1k 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 ...