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 ...

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3
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2answers
1k views

Why is my electric water heater making an intermittent groaning noise?

My 8 year old electric water heater started to make a strange rattling noise a couple of weeks ago. The noise happens at random and lasts for only a few minutes. Short bursts of noise about a minute ...
-1
votes
1answer
3k views

What wires do I need to run to my wall mounted tv?

I'm in the planning stages of a home theater setup. What do I need to run to the tv so I can hook up various components? I planned on running power, HDMI cables, RCA cables, coax, and an ethernet ...
2
votes
2answers
227 views

Do z-wave products suffer any limitations in the UK because of radio limits?

I'm looking into home automation and I think I'm settling on z-wave as my choice. however, I was slightly worried by this comment on wikipedia; In Europe, the 868 MHz band has a 1% duty cycle ...
5
votes
5answers
26k views

Can I cover junction boxes in the attic with insulation?

This may be a duplicate of What are the codes for electrical wiring in attics? I have an attic which is accessible via a ladder through an access panel in the garage and in a bedroom. The trusses ...
1
vote
2answers
2k views

How does one typically do “Old Work” with metal junction boxes?

I am trying to add a light fixture to a room. I have access to the studs in the wall (new wall being added to the room), but the ceiling is drywalled. There is no attic access. Unfortunately, the ...
2
votes
2answers
19k views

Why do the lights on my newly installed ceiling fan flick on and then off immediately?

We just installed our new ceiling fan with lights. The fan works fine but the light will flick on and then off again immediately. We took it back down and reinstalled it, ensuring that all wires were ...
2
votes
4answers
134 views

What's a simple solution to have 2 NEMA 14-30 receptacles and switch power between them?

Currently I have a NEMA 14-30 receptacle for the dryer. I'm wondering is it possible to split one receptacle into 2 NEMA 14-30 receptacles and install a switch to select which receptacle to use when ...
1
vote
1answer
1k views

Why isn't my thermostat clicking on/off automatically?

My thermostat is not clicking on/off automatically, I have called my landlord and they replaced a very old one with a brand new one and it is still not clicking on off automatically, but will manually....
2
votes
1answer
1k views

Why am I only getting 92V at receptacles?

There are about 5 or 6 receptacles in 2 rooms that all stopped working at once. We were getting a reading of about 92V and it's a 120V circuit. We changed out the receptacles but still the same ...
1
vote
2answers
126 views

Is it practical to install a second water heater near my kitchen?

My bathroom and my kitchen are very far apart in my house. The original water heater is in the bathroom. Is it practical to install a second water heater (small) near the kitchen so that it runs (the ...
1
vote
1answer
1k views

How can I wire this dimmer switch?

I'm trying to put a light and a dimmer switch together for use in a chicken brooder. I have the switch and porcelain light socket but am a bit confused on the wiring diagram. My diagram looks exactly ...
-5
votes
1answer
938 views

How can I immerse a light bulb in water? [closed]

I have a transparent wine glass which I want to be filled with colored water and then place a light bulb immersed in the water so that when I switch on the bulb the wine glass emits the color of the ...
4
votes
2answers
996 views

Is there any NEC code requirement for how far off the floor Category 5 wiring must be run?

I am currently running conduit for Cat5e cable in the home office I am finishing off. Are there any rules in the code for how far off the floor Category 5 wires in conduit must be run?
9
votes
3answers
11k views

Can I use a UPS as a Voltage Stabilizer?

I need a voltage stabilizer for my refrigerator. Can I use a UPS for this? I own an APC Back-UPS marked "Output: 230V~, 2.6A, 50/60Hz...". The label on the fridge says "220V/50Hz". Can I use this UPS ...
6
votes
1answer
322 views

What would happen if I went over the wattage limit specified by my path lights?

I have a set of path lights that specify 5 watt maximum for replacement. What happens if I put a higher wattage bulb in there? Can it burn my system up or cause a fire?
0
votes
1answer
588 views

Why isn't my thermostat working?

I have an old Lennox (gas heat only) thermostat. There are 3 wires coming from the wall. Black, yellow and a light blue color (could be a faded green or an old dirty white). The thermostat wouldn't ...
7
votes
2answers
583 views

Do I need junction boxes where conduit containing data cables terminates?

I'm going to be running 1" blue PVC conduit from all my low voltage boxes to a structured wiring panel. My wiring panel will chase to the attic where necessary and I was wondering what the best ...
2
votes
2answers
7k views

Can I extend the ground/bus bar in a main service to accomodate subpanel equipment ground?

I am about to replace the main service breaker panel in my house. The old panel (a 200amp Siemens 40-circuit) had bus bars that extended the entire vertical length of the box. The new panel I would ...
0
votes
1answer
1k views

How can I add two bathroom receptacles behind and above a vanity?

Background I'm in the middle of a bathroom remodel, and had to take off some drywall to get the tub in, then thought I may as well take all the drywall on that side off to give me an easier taping ...
-1
votes
1answer
165 views

Can I get a completely flush plaster-in switch or socket?

I've seen recessed downlights that fit in/on the ceiling prior to plastering, then after the ceiling is plastered the light has no visible bezel, just a recess in which the light sits. Search google ...
1
vote
3answers
2k views

What lamps available in the UK are compatible with BS 546 plugs?

We have lots of spare BS546 plug sockets in our rented house (we are located it London, UK). In the bedroom, these are linked to the lighting circuit but we only have one lamp so the room is very dark....
2
votes
2answers
1k views

There's a bunch of unshielded copper wire in a light switch - what is it and what does it do?

I was just replacing a faceplate, and noticed that there was a large amount of unshielded copper wire twisted together in the back of the light switch electrical box. The light switch box is a larger ...
2
votes
2answers
188 views

Should I replace an existing gas fireplace with electric?

Does it make sense to replace my existing gas fireplace with a newer electrical one? Would the new electrical one require less maintenance? Would it run more efficiently and in doing so cost less to ...
2
votes
2answers
35k views

What is code for installing a dishwasher in the U.S.?

I will be replacing my dishwasher and I am curious what is the current code for the wiring of the dishwasher.
6
votes
2answers
796 views

Does lamp maximum wattage matter for CF bulbs? [duplicate]

Say I have a table lamp that states (via a slightly scary sticker) that it takes a 60W max bulb. Of course, that was based around incandescent wattages. Is there any risk with putting in a CF bulb ...
5
votes
1answer
535 views

Can I obtain grounding from a different outlet?

I have a room with 2 ungrounded (2-prong) outlets and 1 switched grounded (3-prong) outlet. This has not been a serious inconvenience so far, as most of the equipment I wish to connect has ungrounded ...
5
votes
3answers
40k views

Is it code-legal to have a circuit breaker box within a storage room?

I am currently in the process of planning a room remodel to convert an existing bedroom into a home office and storage room. One thing that makes this conversion a little bit tricky, is the existence ...
-1
votes
2answers
377 views

how can I dim two sets of lights and run a fan by replacing my 3 manual switch [closed]

Can I get a switch that incorporates 2 dimmers and a manual switch to control a kitchen fan?
2
votes
2answers
5k views

How do I connect the wires inside a conduit junction box?

I have some wiring in my garage (done by a sparky believe it or not...) where the wire is quite loose, just tacked to the wall with clips, and there are a few junction boxes as well as the usual ...
1
vote
3answers
297 views

How can I rewire this circuit?

In my basement, I am removing an existing fixture and planning on installing pot-lights. Previously when I have switched out a fixture, I generally find white + black + ground, which is pretty easy ...
0
votes
1answer
7k views

How do I wire this GFCI receptacle/switch combination device?

I am trying to replace a switch/receptacle combo in our bath room with a GFCI switch/receptacle combo. I am no electrician but understand wiring for the most part however this one has got me stumped. ...
6
votes
3answers
16k views

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side?

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side? If those non-GFCI downstream outlets were not fed from the GFCI ...
1
vote
4answers
12k views

How do I wire a GFCI combination light switch when power enters at the light?

I have a Leviton 7299-NW GFCI/switch combo The diagrams in a response to the question "How do I wire a GFCI/switch combo?" is helpful. But I want to see a diagram for a situation where the power ...
1
vote
1answer
1k views

How to trace mystery switches

Since I moved into my house last year there are a couple of wall switches that remain a mystery to me. I don't know what they do, if anything. What are my options for tracing these switches? I'm ...
0
votes
1answer
510 views

How can I get my thermostat C wire connected? [duplicate]

I have an older furnace, on the switch block I have Y,C.W,R and an unlabeled screw that connects to the shut off it looks like. I need to hook up a thermostat that needs the C wire. I have a spare ...
1
vote
1answer
2k views

Why won't my clothing iron work in one outlet but works in others?

I've been using my clothing iron in the same outlet in my laundry room for the past 6 months since I moved into my house, but all of a sudden the iron won't work in that outlet anymore. I plugged an ...
2
votes
2answers
766 views

Why isn't my mini fridge staying cold?

My mini fridge has full power, but I come home after a couple of days to find that the compressor has shut off and everything has defrosted and the fridge isn't cold anymore. I can turn the knob and ...
7
votes
3answers
3k views

What is a 'grounded neutral' and how bad is it?

I bought an electrical device a few months ago. A few weeks ago, it failed, complete with the release of magic smoke. I contacted the company, and they've had me mail it to them and have been ...
7
votes
2answers
1k views

What does the inspector mean by “Hot and Neutral are not separated”?

In an inspection report on my house, the inspector said "hot and neutral" are not separated. I think he meant "neutral and ground" are not separated. I've attached the picture, is that the case?
0
votes
2answers
592 views

Any way to monitor load on a power outlet and receive notifications of usage? [closed]

My sump pump float sometimes sticks. This is an issue because the pump can easily run dry and burn out, especially if we are away for an extended period of time. Ideally I'm looking for something ...
3
votes
2answers
19k views

Can I feed a sub-panel from a sub-panel?

here is what I have. On the corner of my house, I have the main breaker box. I also have a 2nd sub panel that was installed later on the other side of the house which has 240V ac running to it. This ...
4
votes
2answers
2k views

Is this switch properly grounded?

I replaced a standard single pole switch with an Intermatic ST01 timer switch, into a metal electrical box with three other switches. The switch I was replacing had no ground connection, but some of ...
7
votes
4answers
29k views

Why do light bulbs all over the house burn out disconcertingly fast?

I've found a couple answers to this question. This generally revolve around the scenario where it's bulbs in a general area such as a fan. My issue is that light bulbs all over the house burn out ...
1
vote
2answers
6k views

Why does turning on one light turn off a different light?

I have a ceiling fan with a light and another light with switches on opposite sides of the wall. One side has a double switch which goes to the fan with a light and the other a single three way switch ...
3
votes
1answer
2k views

Can I use my old service panel as a sub-panel when I install a new one?

The main panel in my building is 100 feet from the where the feed wire comes in from the outside meter. Can I install a new 200 amp panel where the feed line comes in and use the existing wire to feed ...
2
votes
3answers
2k views

How can I turn off the power to an outlet if a water alarm is triggered?

I'm installing a dishwasher on a second floor, and after having 3x dishwashers leak during their run cycle during my life, I'm understandably hesitant. I will definitely be installing a water alarm. ...
2
votes
2answers
4k views

Can you terminate more than one common on the furnace C terminal?

TL;DR: Can you terminate more than one common on the furnace C terminal? Background: I've linked a diagram of how my non-programmable thermostat is currently hooked up. I want to replace it with a ...
0
votes
1answer
241 views

Why won't the GFCI-protected devices in my kitchen work even though they seem to have power?

I have a GFCI receptacle that will not reset, and all of the switches -- which are to my garbage disposal, dishwasher, and over-sink light -- will not work. I checked it with a voltage detector after ...
3
votes
1answer
1k views

What are switches activated by a closet door called?

My father-in-law set up all of his closet lights to turn on and off when the door opens. He used a switch that was apparently designed for that purpose, with a largish contact switch that turned on ...
-1
votes
1answer
258 views

Is it legal to just replace an existing extractor fan in a shower room with a similar model?

The existing ceiling mounted fan is not working correctly now. It is wired via an isolating switch high up in the room away from the shower. The fan has a built-in pull cord: pull for on, pull again ...