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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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 ...
2
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2answers
55 views

Is it safe to leave light socket without a light bulb?

We have several light sockets with light bulbs, controlled by a single light switch. I don't need that much light, so I want to remove a couple of light bulbs from their sockets. Is that safe ? In ...
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3answers
73 views

Wiring electrical outlets from a single outlet

I'm building an entertainment center unit, and on the unit I want to embed wall outlets into it so I can plug things like my receiver, NAS, consoles etc in a clean method. I thought the entertainment ...
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1answer
82 views

Can I wiring LED light fixtures in parallel?

I have 4 120 v 20 watt LEDs. I want to put them over my desk. They are the Lusa Lighting Model #33000 (If you want to see the PDF). They come with plugs so you can plug them in separately. I want 1 ...
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1answer
59 views

GFCI to light not working

I put a gfci outlet in my front yard for use during christmas time for lights and such i ran it to on my front porch light so it only turns on when my front porch light is on i also added to the gfci ...
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2answers
84 views

What features should I look for in a full-house surge protector?

How does one select a surge protector for a typical home? We get surges and slight drops in line voltage. We are the last pole on a small town electric provider, three miles from town. Surge ...
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0answers
15 views

Wiring a switched PIR light outside on 2 core t&e?

My builder has incorrectly fed 2 core and earth from the switch inside to where the light will go outside (and made good). I was planning to buy a outdoor light with a PIR sensor and have the switch ...
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2answers
48 views

How do I properly place devices in an electrical enclosure?

I have to put together an electrical enclosure that includes, some terminal blocks, fuses, a power supply (110-24V,3.2A) all of which will be used to provide power for a series of sensors and ...
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3answers
191 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 ...
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2answers
91 views

Networking Phones Together in Building

I have a number siemens optipoint 500 economy phones. They have been used in an office environment in which the networking of the phones were managed by a third party. I would now like to use them in ...
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2answers
59 views

Why does my GFI keep going off? Is it dangerous?

I have a small condo with one bathroom. There is a GFI in the kitchen and bathroom. The GFI in the bathroom trips off on a regular basis. It started slowly (like 1/week) and now it happens multiple ...
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4answers
5k views

Why is it safe to use 15 A receptacles on a 20 A circuit?

OK, the one answer I got was way off target, and another commenter couldn't figure out what I was asking, so I'm restating the question... Are 15A 3-prong grounded outlets actually rated to 20A, ...
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1answer
2k views

Why doesn't my motion sensor light work?

I want to install a simple motion sensor (Lutron Maestro MS-OPS2) on a single pole switch in my garage. When I installed it the light would not turn off. The instructions (PDF) that come with the ...
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3answers
176 views

2-wire switch loop controlling 2 outlets - replacing with 3-wire to fix?

I am in nearly this exact situation: Can I use a switch loop to power a ceiling fan? We are trying to install a fan, but instead of having a single duplex outlet on the same wall as the switch, we ...
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1answer
24 views

Which terminal should be used for a “C” wire when none are labeled “C”? Older electric furnace/heat pump

I have an all electric air handler/furnace connected to a separate AC unit and it is also a heat pump. I've purchased the latest and greatest Honeywell WiFi "Smart" Thermostat and it needs a C wire. ...
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1answer
77 views

2 circuits connected in one box?

I'm swapping out outlets and this one has me stumped. This is in a room of switched outlets (top outlet is always hot, bottom is switched) so the red/black side tab on each outlet is broken off. The ...
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1answer
32 views

Tripped breaker

We bought a mobile home with a master bedroom that consists of an ensuite and master bathroom. The three rooms combined are 20 feet by 20 feet with their own electrical breakers. We bought our home ...
5
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7answers
339 views

What could be tripping multiple GFCI breakers?

I have 14 ground fault circuits split 7 on each side of my panel. I have recently had 5 or six trip on the left side and 1 or 2 on the right. It happens at all hours. It appears I have some kind of ...
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2answers
50 views

Can I replace a junction box with a piece of conduit if I rewire the circuit completely?

I have a bathroom where the fixture was moved. Can I remove an old junction box if I use conduit joiners to splice in a piece of conduit ? I plan on rewiring the fixture from the switch after.
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0answers
18 views

Replaced 2 light fixtures that are on 1 switch and the second isn't working

I just replaced 2 light fixtures in the front hallway of our new house after 10 years of apartment living and I'm having some issues. The 2 fixtures are connected to 1 dimmable switch and the light ...
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1answer
32 views

Why is my voltage so low?

I have very low voltage at times hovering around 99v, usually when the A/C is on and everyone in my area is running theirs as well. I have 240v outlets for my appliances and wanted to know if there is ...
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1answer
15 views

Viewing cumulative electricity usage [on hold]

The TED 5000C monitors real-time electricity usage. This, however, isn't so useful if plugged into, say, a fridge, where, presumably, the bulk of the electricity usage is going to come from when the ...
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1answer
71 views

Wiring to a detached garage

I have a detached garage approximately 50' from the house supply panel. I want to wire 6 outlets & maybe 2 overhead lights. I will have no heavy use, mainly 1 outlet & overhead lights. I have ...
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2answers
60 views

How do I wire up a 4-wire dimmer switch when I only have two 2 wires from the wall?

I'm replacing (yet again) my bathroom dimmer switch. The old switch had 3 wires: 2 black and one green. The two black wires were attached to the wires coming out of the wall and the green wire was ...
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3answers
152 views

What is wrong with this panel wiring?

I have a main breaker panel downstairs, and a subpanel upstairs. After I hired an electrician to rerun the service entry cables, nothing upstairs is right, and all the upstairs lights blew as soon as ...
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2answers
12k views

Should I use 12/2 or 12/3 to wire a 220V electric baseboard heater and thermostat?

When I bought my baseboard heaters, thermostats and 220V breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats, heaters, and even breakers have ...
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5answers
88 views

TV Arcs with Cablebox through both Coax and HDMI

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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3answers
33 views

Kitchen fixture pulled lose from ceiling

My kitchen fluorescent fixture has pulled lost from the ceiling and is dangling just by the electrical wires. It is an older home(25years) and the anchor bolts have pulled thru the drywall. I have ...
5
votes
5answers
14k views

Can different gauge wiring be used in the same circuit?

I am extending a lighting and outlet circuit in a basement. The current setup has the following characteristics 15 amp. circuit breaker (200 amp service) 4 existing lighting fixtures using CFL bulbs ...
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0answers
21 views

grounding for large building [closed]

we are rehabbing a large loft 10 stories and about 10,000 per floor for business and residential as the top officials of the business will have a floor to them selves to live on here is what we have ...
2
votes
7answers
5k views

How can I run a coaxial cable into an existing single gang electrical outlet?

The cable outlet in my girlfriend's living room is in a strange place. She wants to move her TV to a different wall but the landlord doesn't want any new holes in the wall or floor. If the wall was ...
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2answers
53 views

What will happen if I feed a device with two legs from the same phase?

What will happen if I feed a 208v baseboard heater with two legs from the same phase? What will happen if I feed anything that requires two legs with the same phase?
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1answer
33 views

How do I connect my new chandelier?

I would like to connect a new chandelier to the ceiling of my bedroom. The ceiling box has two cables: black, white, ground - none of these is hot black, white, red, ground - black on this cable is ...
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1answer
66 views

What should I do if wire gauge is too large to fit into a screw terminal?

First time poster here. I am working on a robot controller that requires mains power. I was provided 10AWG wire (the unit recommends 14-10AWG, and this is National Electric Code FTR). I took out the ...
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1answer
2k views

After binding the three live (brown) wires together, remaining ceiling lights won't turn off

I've got the three separate ceiling lights all on the same switch. The other two are simple with a single grey cable fitting. But this one is obviously the key light because it has three main grey ...
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1answer
236 views

What do the buttons on a Comelit Okay Simplebus2 Intercom/door entry system do?

I've got a Comelit Okay Simplebus2 door entry system which yesterday wasn't able to be used to let someone into the building, however I'm not sure if the buttons next to the phone were being used ...
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1answer
243 views

What would cause my LED tape to flash when plugged in?

I just removed our new tape lighting and plugged it in. The brand name is Patriot Lighting 12 volt 16.4' flexible LED tape light. All it does is flash on and off. Any suggestions?
6
votes
5answers
5k views

Why would my TV image turn black when electrical appliances turn on?

I have my computer connected to my TV via HDMI. Every time something electrical happens (fridge turns on, stove sparks, etc), the image on the TV goes black for a second and then comes back on. And ...
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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 ...
0
votes
3answers
75 views

In a multi-gang box, are neutral wires paired with specific hot wires?

I have a four-gang box that I'm installing new dimmers in. Currently all of the neutral (white) wires coming into the box are connected together (and not to the dimmers). The new dimmers require ...
5
votes
1answer
225 views

Why shouldn't different types of bulbs be used in the same fixture?

Why shouldn't different types of light bulbs(i.e. incandescent, LED, cfl) be used in the same fixture? I read this under the CAUTIONS & WARNINGS section of the LED bulb packaging. ...Do not ...
1
vote
1answer
52 views

How hot can/should an outlet get?

While microwaving my dinner today, I measured the temperature of the outlet the microwave was plugged into. At the end of the 12-minute cook cycle, the hottest part of the outlet measured 160F. Is ...
3
votes
1answer
466 views

Why does my circuit breaker keep tripping?

Every time I switch on one specific circuit breaker, the residual-current device (RCD) switches off. I've disconnected every device that's on the group, and even took out all light bulbs, but the ...
3
votes
1answer
120 views

Can I install wiring in the space used by a sealed air duct and PVC water supply lines?

I have a space between walls that is about 14" deep and 8 foot wide, and goes from the floor to the ceiling. This space is on the second floor. Petty much in the center of the house. The space ...
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1answer
43 views

electrical question involving earthing [closed]

This is not strictly a home improvement question but I'm trying to learn more about household electricity. I couldn't find a better place online to pose this question. Lets say I'm bonded to a pc ...
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1answer
60 views

Are licensed electricians required to perform code-compliant repairs?

A California licensed electrician replaced a circuit breaker for a friend. He removed the living room AFCI breaker and replaced it with a used non-AFCI breaker. When I heard this I was upset enough ...
11
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3answers
7k views

Are both legs of a home's power supply equally used?

This is basically just to satisfy my curiosity. Please correct me if I'm wrong about any of this: I believe power supply to a home's main panel usually consists of: A neutral wire A hot wire 120 ...
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1answer
70 views

How do I determine what size Generator I need?

What are the number of factors and considerations to be taken into account before sizing a prime rated generator ??
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0answers
34 views

Single pole circuit breaker won't close unless double pole above it is closed

I was trying to find out where a trip was in my house and turned off a double-pole breaker then a single-pole breaker. Went in reverse order to turn single-pole back on and it would trip back open ...
1
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1answer
36 views

How to measure a hex or jam nut? [on hold]

I need a jam/hex nut for the mic input for the below speaker. On the picture the connector have been pushed in because the nut is missing. Question It should be a 3/8-32 jam nut, but how can I ...