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 ...

learn more… | top users | synonyms (1)

0
votes
1answer
45 views

Can I share the dishwasher or other appliance lines from adjacent room lines?

I've read the posts by Tim and Mitch posted in Sept. I'm remodeling the kitchen with all new wiring. I've never had a dishwasher, but will at some point. I only have enough space for a 24"er, so ...
1
vote
1answer
3k views

Do I need conduit for an indoor sub-panel feeder line?

I'm adding a 100A sub-panel to feed a stove and water heater. The sub panel is indoors and in the same building as the mains panel. Do I need to run the supply feeder in conduit? I'm in Michigan and ...
5
votes
3answers
718 views

How can I check for electricity theft?

My electrical bill is very high despite less usage. I fear there is electrical theft used by my landlord. How can i check this? The meter is under lock and access provided only on request. Please ...
2
votes
2answers
744 views

Did I damage the breaker by incorrectly wiring a generator?

During a power outage I attached my generator incorrectly (I have never done this before - I just was not paying attention). Anyway, I crossed the ground at the box with the black. When I turned on ...
2
votes
2answers
395 views

How can I connect a receptacle to a two wire extension cord?

How do I hook up a wall outlet to a 2 wire extension cord? My cord broke and I want to put a regular 110 outlet on it.
2
votes
1answer
51 views

Can I go from a 3-prong outlet and connect to a 2-prong outlet and switch?

I have rewired the first 2 outlet in a circuit with 14-2 wire. However, I do NOT want to rewire the rest of the circuit because it is inside non-accessible walls. The rest of the circuit is a front ...
3
votes
3answers
32k views

Is is safe to plug a surge protector into a 2-prong outlet using a 3-to-2-prong adapter?

I live in an apartment that has essentially no 3-prong electrical outlets. I need to plug in a modest amount of computer equipment (which has a mix of 2- and 3-prong plugs), and I want to plug this ...
2
votes
3answers
5k views

Can I connect a portable generator to a subpanel to backfeed my house?

I have a portable 6500 W generator. I have a main house electrical panel and a subpanel in my garage, which are on opposite sides of the house. My subpanel is on the outside wall of my garage. The ...
2
votes
1answer
102 views

Why electrical switches are rated lower for led than incadescent lights?

I bought a dimmer that supports ic, halogen, led and cfl lights. It says 600w for incadescent and halogen and 150w for led and cfl. Why is the difference? What happens if I put it in a circuit with 8 ...
4
votes
1answer
4k views

Can I run NM-B inside EMT conduit for protection? [duplicate]

If I'm adding some new receptacles to a garage, and the wiring will be run surface-mounted to walls and ceilings, I think protecting the wiring with EMT conduit is probably a wise way to go. I'm ...
5
votes
2answers
2k views

How are equipment grounding conductors counted for determining conduit or junction box fill?

Suppose one is doing junction box fill calculations for a typical NM-B installation such as the one shown below for a switch box with one normal and one three-way switch. Which of the wires count ...
9
votes
1answer
32k views

How can I determine circuit breaker requirements for an electric range?

I recently had a new range installed and when an electrician was visiting, he pointed out that the circuit was over capacity because the range was rated at 12.2KW at 240V. He said 12,200 W / 240 V = ...
-2
votes
1answer
419 views

Residential electrical installation, at what voltage is a licensed contractor required?

I'm trying to figure out regulatory requirements for residential electrical installations. Specifically, when is a licensed electrician required by code to perform an installation? Obviously you don't ...
3
votes
2answers
2k views

Why was the ground for this fluorescent fixture not connected to the ballast?

I just purchased a set of fluorescent fixtures that are fitted with a plug to connect to a standard 3-prong receptacle. My intention is to replace the plug with Romex cable, and wire the fixture ...
1
vote
2answers
8k views

What should I do with the exposed grounding wire during a conversion from hardwired to plug in light fixture?

I am working to convert a hard wire light fixture which I have purchased to a plug in light fixture. The light fixture was designed for outdoor use, but I will be using it inside. Coming out of the ...
0
votes
2answers
3k views

How do I replace this switch with a timer?

I was trying to wire in a timer switch for a vent fan. When I went to replace the switch (which I knew was a 3 pole) I was baffled by the way it was wire. 4 wires run into the box, two of the hot ...
0
votes
1answer
94 views

How do I repair a bedside Lamp? [closed]

My beloved bedside lamp fell down, on the carpet, so it wasn't a big hit, and stopped working. Now, I tried to replace the bulb, but it doesn't change anything. Since this had happened to me another ...
0
votes
1answer
148 views

How can I extend the wires inside a transfer panel?

I am installing a 200 amp transfer switch to implement in an emergency when needed. The feed wire from my 200 amp panel inside the house will reach inside the transfer box but not all the way to the ...
0
votes
2answers
191 views

What is this single pole switch to empty ceiling box blows breaker when switched on

I would appreciate some help thinking through what are the possible problems in the following situation? A newly wired circuit from breaker box ( 20 amp 12 AWG wire) to front of the house (longest ...
1
vote
2answers
6k views

How should I install a thermostat for a baseboard heater?

How would I go about installing a thermostat for my bedroom's baseboard heater? I've seen lots of articles on how to replace an old thermostat but I'm installing a thermostat for the first time here. ...
4
votes
2answers
1k views

When replacing a circuit breaker in the service panel, how can I determine which neutral is associated with the hot wire?

In my service panel I would like to upgrade two standard circuit breakers with AFCI breakers. AFCI circuit breakers differ from standard circuit breakers in that you attach the hot an neutral to the ...
4
votes
2answers
5k views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
1
vote
3answers
455 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 ...
4
votes
4answers
14k views

What is the purpose of the “grounding” tab/wire on a 3-prong to 2-prong adapter?

We've probably all seen these guys... They come in handy when you need to plug something with three prongs, into something with two prongs. What I've never understood was, what the heck is the "...
1
vote
3answers
2k 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, ...
3
votes
3answers
40k views

What is the typical dishwasher/disposer electrical connection?

I need to provide power to a instant hot water dispenser that I recently installed myself in our circa 1950 home. I'm about to have my dishwasher replaced and am wondering what the typical electrical ...
3
votes
1answer
502 views

Can I plug a 15A snow thrower into a 15A receptacle?

I'm planning to buy a snow thrower with a 15A motor in it. I have an outside receptacle that's rated for 15A and so is the breaker in the electrical panel. I'm wondering if this will work without ...
4
votes
2answers
33k views

Can I replace a 15 ampere circuit breaker with a 20 ampere breaker?

When I plug-in a conventional heating pad or a hair dryer into any bedroom duplex, the lights dim; and/or trips the circuit breaker. The home is of new construction-- placed in service 31 Dec 2013. My ...
0
votes
1answer
394 views

Is it safe to connect a timer to an instant hot water dispenser?

I'd like to connect a timer to my new instant hot water dispenser. The installation instructions mention not to use an extension cord, but I'd like to make the timer accessible under the cabinet so I ...
1
vote
3answers
683 views

What are the pins in this socket?

What's the correct orientation for a plug in this outlet? What are line, which are neutral, which is ground? It's from India.
3
votes
2answers
9k views

How can I find the first receptacle in a circuit?

I know how to wire a GFCI receptacle and all the things to go with it in doing so. But what I do not know is the following. I understand the GFCI receptacle should be first in line to protect the ...
1
vote
1answer
192 views

Integrating into knob-and-tube wiring: okay to borrow a ground [duplicate]

I have a mixture of knob-and-tube and NM-B. If I'm extending from knob and tube, but I have a (different) an NM-B circuit nearby, is it technically allowable to ground via ground wire in the other ...
0
votes
2answers
1k views

Wiring Bathroom Fan Switch

I'm trying to wire a new single pole dimmer (two black wires, one ground) and single pole switch (no wires, just screws) for the fan in my bathroom. What I see coming into the box is three separate ...
2
votes
3answers
46k views

How can one whole group of outlets stop working, but the wires to one plug on one outlet are still hot?

I have a bank — circuit? — of outlets in the kitchen that have stopped working. One of these outlets is a GFCI but it is not tripped. The breakers for all the kitchen outlets have not tripped but I ...
2
votes
1answer
260 views

How to reroute a circuit that goes through a return air plenum

Old house, need to replace a wire where the insulation has been stripped off from when the original installer pulled it through a joist. Normally I'd just follow the original path of the old wire, ...
-1
votes
4answers
16k views

Since neutral is connected to ground how is current kept off of ground?

If neutral is connected to ground and current desires ground then I would think it would go to ground. But my understanding is that it is kept off of ground until it's "upstream" of the breaker box, ...
0
votes
1answer
22k 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 ...
0
votes
1answer
647 views

How do I chain edison bulbs together with a junction box?-

I want to chain 6 Edison Lights They are a Standard Edison base, E26 medium, 120 volts. I am going to be hanging them on a 18 gauge wrapped copper wire. I am wondering how to wire them together and ...
2
votes
2answers
208 views

How do I fix this fluorescent light?

I have a fluorescent light in a 30-year old fitting. The light has recently stopped working, though it is trying to light at each end. Replacing the tube has had no effect. However there is a ...
1
vote
1answer
1k views

Do smoke detectors have to be hard wired in New Jersey?

I'm rebuilding after a fire, and I need to know if the new smoke/co detectors need to be hard wired.
-3
votes
1answer
111 views

Is there a huge difference between 1.6amp and 3amp power usage?

I just want to know if there a huge difference between 1.6 amp and 3 amp power usage.
4
votes
2answers
1k views

Are 2 prong outlets that are downstream of a GFCI outlet ground fault protected?

If I place a GFCI as the first outlet in a series of ungrounded 2-prong outlets, and connect the wires going to the other outlets to the load terminals of the GFCI, will it "protect" the entire series ...
2
votes
1answer
392 views

What should I do about an exposed wire for landscape lighting?

Found an exposed wire from an old landscape light in the yard that is tripping a breaker. Can I just cap it?
8
votes
1answer
6k views

How can I replace 2-prong receptacles in a code compliant way?

I have some 2-prong non-grounding type receptacles, and I'd like to replace them with 3-prong grounding type receptacles. According to National Electrical Code, what are my options?
2
votes
4answers
685 views

How is the alternating current in your home a complete circuit?

Here's what I'm asking: if the electricity flows from the hot wire to device X, then to the neutral wire which ultimately carries the signal to ground/earth at the panel then how does electricity "get ...
1
vote
2answers
297 views

What's the proper procedure for replacing ungrounded circuits?

I have a house that has several ungrounded circuits that uses the older 2 wire romex (pvc insulation, black woven jacket). I'd love to have AFCI protected circuits for the bedrooms, and grounded ...
4
votes
3answers
3k views

How do safety labels on light fittings work with energy saving bulbs?

My lamp says "Max 40W or Energy Saving 8W". I have a halogen bulb which says "28W = 36W". Is it safe to use with the lamp? Why / why not? (Sorry if the answer is easily available on the web - I ...
3
votes
1answer
895 views

Where do I attach the fixture grounding wire when no supply grounding wire is provided?

I am replacing an undercounter light and I have a black, white and red supply wire but no green or bare copper supply wire. Where do I attach the green ground wire attached to the fixture?
1
vote
1answer
846 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 ...
7
votes
1answer
13k views

How many cables are you allowed to run through a single hole in a wooden floor joist?

How many cables are you allowed to run through a single hole in a wooden floor joist? For example, could I run five 12-2 cables through a 1-1/8" hole? I know they physically fit, but is there a code ...