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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0answers
28 views

Wiring assistance for dryer from 4 prong to 3 prong [duplicate]

Just moved into a new apartment so I had to change my dryer plug. However, after countless tutorials and videos I am a little confused with the current set-up. Is it right that the green(ground) and ...
0
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0answers
64 views

How do I wire a combo with two supplies?

I want to replace a double outlet with an outlet/switch combo. I want the outlet to remain hot and the switch to power a disposal. By one response it seems I was wrong about two supplies. I have, ...
5
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3answers
398 views

How can I seal this hanging electrical outlet in my horse barn?

I really am not a fixer type of gal but this seems like it should be simple enough. Please respond appropriately for someone who has limited knowledge. I have a hanging outlet in my horse barn. ...
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1answer
2k views

Why do I have low voltage and backfeeding between circuits throughout my whole house?

If I plug a hairdryer or anything else into a outlet, I lose voltage in the whole house. If I plug the iron in, the stove surges. This is a nightmare. I can't run the fridge; I can't even get the TV ...
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3answers
45k views

Where does the ground wire go in a 3-prong dryer cord configuration?

We moved to a new place where the dryer connection is 3-prong instead of 4-prong. The dryer was originally 4-prong, so we bought a 3-prong cord and installed it. It works fine, except I am not ...
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1answer
550 views

Ground Wire Installation

Currently I do not have ground in my house wiring. I am planing to install ground wiring but the floor around the main service panel is cemented and I don't think I can place a ground rod in the ...
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1answer
334 views

Can a Knob & Tube live hot wire be left disconnected without the neutral in a switch box?

Can a live (capped) knob & tube hot wire be left disconnected, without the neutral (it's removed) in a new switch box now fed by a modern 20amp circuit and romex? The reason it is still live is ...
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3answers
2k views

What can cause the capacitor in an air conditioner to fail?

I just had the capacitor on my air conditioner fail. It was explained to me that the reason for this was the oil inside the capacitor got too hot, expanded, made the whole thing bulge, and no more ...
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0answers
167 views

Ever had LED bulbs cause AFCI tripping?

I replaced a 50W halogen gu10 bulb in a ceiling fixture on an AFCI-protected circuit with a 5W dimmable LED bulb, and it trips the breaker after a few seconds (even after reseating the bulb). Another ...
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1answer
1k views

Can I use Romex in an unfinished basement or attic?

I am asking in reference to articles 382.2 & 382.12 in the 2008 edition of NFPA-70. The following definition appears to me to be describing Romex (NM-type) cabling: **382.2 Definitions** ...
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0answers
66 views

What damage may a bad condensor on a well-pump do?

Yet another follow-up to How does one determine whether a waterlogged High HP pump is electrically OK to use? The pump is out now. The screws on the housing being jammed/rusted tight, I've applied ...
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4answers
13k views

Can I use indoor Romex in buried outdoor conduit?

Or should I use outdoor Romex? I heard that outdoor Romex doesn't need conduit as you are just supposed to bury it. Edit: Ack, I should have mentioned I have existing conduit that I want to pull the ...
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1answer
740 views

How can I hang a ceiling fan with a 3/4 inch difference between the junction box and bracket?

I've taken down an old ceiling fan for replacement and found the octagonal junction box to be approx 3/4in above the ceiling, it isn't flush with the drywall which the new ceiling fan bracket mount ...
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0answers
415 views

Can this wire support a 60 amp sub-panel? [closed]

An insulated single wire cable (with about 10 bundled copper wires) that is marked 900V and is about 60 feet long will carry how many Amps? I have a sub-panel in my garage that feeds from a 60 amp ...
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2answers
3k views

Will it harm 12VDC LED light strips if I supply them with 12VAC instead?

I have strips of 12 volt DC LED's that can be cut into groups of three that I am using to light buildings on a model railroad and am happy with the results. I can vary the voltage from about 6 to 12 ...
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1answer
4k views

Can dimmable (triac) LED bulbs be used on a motion sensor switch without neutral wire?

I bought a bunch of these motion sensor switches. I also want to use these dimmable LED bulbs. The motion sensors do not have a neutral wire connector. My outlets only have a live wire and it would ...
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1answer
7k views

Electrical outlet has two black hot wires but one neutral white wire?

I attempted to replace an electrical outlet that was not working. My voltage tester indicated nothing was working. A receptacle analyzer indicated nothing was working as well. but when opening it ...
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4answers
4k views

Is it possible to use a power inverter to run a sump pump?

If the power should go off, I want my sump pump switched to a power inverter combination. Is this possible?
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2answers
329 views

Ceiling Light with no switch to turn off

We bought an older home there was an old ceiling fan in the kitchen with a pull string.So we changed it and put a new light fixture in .It works fine except we can't turn it off.The switch in the ...
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0answers
277 views

How to finish the wiring of a shared GFCI receptacle

My neighbor who is an electrician helped me start an electrical project in my garage but has been MIA for 3 weeks and I'm not sure how to finish the wiring of the receptacles. He didn't seem to start ...
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1answer
279 views

conversion from fluorescent to halogen lights

I am try to take a connection that was originally used for a fluorescent light with a black wire and a white wire and use the same two wires with a halogen light that has a white wire, a black wire, ...
2
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1answer
124 views

How do I apply BNC connectors without breaking them?

I have some RG-59 coax cable and I want to terminate it with BNC compression connectors. I bought some compression connectors, and what I think is a pretty good quality compression tool — the Liberty ...
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2answers
120 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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2answers
392 views

Is it OK to have 10ga wire running from breaker to switch then 8ga from switch to pump?

I'm running an 8 gauge wire from the breaker box to my pump (which is 200 feet away from the house). I want to install a switch near the breaker box and want to know if I can use 10 gauge wire from ...
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2answers
260 views

According to NEC 2008 can you use non-metallic boxes in framing that transports environment air?

In the Home Owner's electrical test, the term "environmental air" is used. What does this term mean, and where is it defined? and can you use a non-metallic box? Also when reading the question do ...
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4answers
15k 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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2answers
591 views

Why were only some of my tools damaged when connected to a 240V receptacle?

I live in the US and recently bought a home. There are several electrical outlets in my garage. I have recently had two tools that have burned up and gone to an early grave. It turns out that the ...
2
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1answer
465 views

Ceiling Fan - Single Switch, but Dual Switch installation

I have a two switch plate & installed a ceiling fan using dual switch instruction (white/white, black/ungrounded, blue/ungrounded). Fan & light work fine from one switch, but I learned second ...
2
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2answers
335 views

Why is my GFCI receptacle tripping when I add another receptacle to the circuit?

I have 3 receptacles in my garage. One is a GFCI which protects all 3 outlets. I want to connect a new receptacle off the third receptacle (end of run) on other side of wall, and have it protected by ...
2
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2answers
720 views

What do I need to know before taking the home owner's electrical test?

Inspector came over and checked out my basement today. He suggested that I take the `local home owner's electrical test to sign off on that part of the permit. They give you the NEC 2008 handbook, ...
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1answer
848 views

Can I connect the generator neutral to my mains neutral permanently?

I have a 3 phase 15KW generator with four wires. I want to use it as a standby generator for my house. My house uses 1 phase 220 volts on two wires (no ground as the house is quite old). I have a 3 ...
3
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1answer
346 views

Are there alternatives to a traditional dimmer switch?

I have just had some 230V GU10 LED downlights installed in my living room (by a professional) to replace a traditional pendant fitting. At the same time, we added a (mechanical) dimmer, however it ...
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2answers
3k views

Why do I have three phase electricity?

I actually have 3 phase in my home. Notes you said it was not possible. Not sure why, but it is here. Why would anyone ever want it?
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2answers
518 views

What type of wiring should bedroom overhead lighting have?

On the phone with a friend in Cali this morning. He said that some municipalities are requiring /4 (12-3 or 14-3 romex) wiring for all new construction or rewiring for overhead lighting components. ...
2
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1answer
146 views

Does this wiring sound right?

First let me preface this by saying that I am very comfortable doing basic electrical work. With this project my electrician is on vacation and won't be back for a few weeks but I wanted to see if I ...
4
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2answers
226 views

How can I be sure there's a connection between the telephone line and the power line? (Answer: they should not be connected.)

I noticed there I can feel the electricity when I touch one of my telephone wires. I thought that we couldn't feel the 48 V that is usual for this kind of wire. Maybe one power line 127 V is ...
4
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1answer
1k views

How to install a electrical outlet box in a workbench?

I'm building a workbench for hobby electronics. I have have my basic blue prints for the bench. I want to install outlets(3-4) along the back of the bench, embedded into the workbench. I want to ...
3
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1answer
11k views

How do I connect a light to a switch when the light receives power first?

I have a power source running from the light how do I connect it to a switch?
2
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1answer
11k views

How to cover an open/exposed wire fast and safe for a long period?

I have a 3 pin socket on the wall that is broken and I'm going to fix it. And while at that, I also want to fix the wall (re-cement it and paint it again). After I dismantle the socket, the 3 wires ...
3
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2answers
512 views

How do I test a 5V doorbell transformer?

In this post, both the OP and responder discuss testing a transformer. I'd like to know exactly how the user tested the transformer. I have a 5V doorbell transformer which I would like to test. Is an ...
2
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2answers
1k views

How can I ground a fluorescent light that I'm attaching a wall outlet plug/cord to?

How can I ground a fluorescent light that I'm attaching a wall outlet plug/cord to? The light fixture has a ground cord already attached.
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1answer
2k views

What is the minimum distance an electrical outlet can be from an exterior door?

I have an interior wall that sits perpendicular to an exterior patio door starting about 8 inches from it. (See diagram below). I've been looking all over and haven't found any rules about how close ...
3
votes
1answer
1k views

Is there a good way to hunt down AFCI receptacle nuisance tripping causes?

So a few weeks after I installed a Leviton AFCI receptacle (NOT a breaker), per this question, I am finding that the receptacle constantly trips at random, usually once or twice a week. Some ...
2
votes
2answers
93 views

air conditioner kwh

I'm not sure if I am reading my digital electric meter correctly. It appears to say that my house uses 2.1kwh during the day when no one is home, 3.4 during the night and 16kwh during the day when the ...
3
votes
1answer
811 views

What are my options to repair a broken tab on a bus bar?

My A/C went out this week. The problem was a broken tab on a bus bar with cut power to one phase of the 220v circuit. My HVAC guy was able to get me going again by swapping the A/C unit to the dryers ...
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2answers
470 views

Are there motion light sensors available for multi-gang switches?

I suspect this is not available but I have rooms and bathrooms, all of which are multi-gang. 2 plus switches per plate. Are there slim line automatic switches for these configurations? Kids are ...
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1answer
168 views

Can the sheath of nonmetallic cable be removed prior to entering electrical metallic tubing (EMT)?

Can 2 romex cables be stripped before entering an EMT to allow more conductors in a 1/2" EMT? How would you transition from Romex to individual conductors going in or out of the EMT? Or is that ...
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3answers
855 views

How can I ensure portable generator success during a long natural disaster?

I live in the SF Bay Area. My house is blocks from the Hayward Fault, where a large earthquake is likely during my lifetime. Along with the usual disaster-prep things (water, food, etc.) I'm ...
1
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1answer
989 views

How can I rewire this light switch?

I have an older mobile home, 80's model. the light switch in a bedroom busted out of the wall so I went to replace it only I am confused about the wiring. Normally I am fine with this when replacing ...
2
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3answers
2k views

Is it safe to wire regular receptacles to the end of an extension cord?

Is it safe to cut off the single-plug end of an extension cord and replace it with several regular receptacles and a metal box? Should the box itself be grounded?