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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2
votes
1answer
42 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 ...
1
vote
2answers
266 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
2answers
352 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
71 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
158 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 ...
4
votes
2answers
269 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 ...
8
votes
1answer
197 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
90 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 ...
2
votes
2answers
193 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 ...
0
votes
2answers
749 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
137 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
52 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
65 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
69 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
102 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
207 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 ...
2
votes
2answers
251 views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
0
votes
2answers
121 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 ...
2
votes
4answers
339 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 ...
0
votes
3answers
94 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, ...
2
votes
3answers
648 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 ...
2
votes
1answer
138 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
1answer
496 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
123 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
176 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
276 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
99 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
168 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
2answers
373 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
87 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
5answers
245 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
540 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
105 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
58 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
85 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
51 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
123 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
99 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?
5
votes
1answer
151 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
188 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
89 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
148 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
177 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?
0
votes
1answer
170 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 ...
5
votes
1answer
436 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 ...
0
votes
2answers
1k views

Why is there a copper wire attached to this water pipe?

The outdoor faucet was turned on today(45 degrees), shortly after we discovered a leak in the house. We're not sure if the faucet broke or the pipe fractured/burst. After pulling back the drywall we ...
0
votes
1answer
151 views

How do I wire a double stack switch?

I have double stack switch with intention of 2 independent light areas ( undermount cabinet lighting and overhead pot light. When I connect black hot wire to black screw ( both feeds simultaneously ...
1
vote
1answer
194 views

Why doesn't my replacement lighting work after my old fixture died?

I live in a pretty old condo in MA, and the living room track lighting stopped working. New bulbs didn't help, but the second set of lights on the same outlet worked fine. Replacing the bulbs and ...
0
votes
0answers
51 views

Why does a GFCI breaker and receptacle on the same circuit cause tripping tripping?

I work in the apt industry as maintenance, currently on a new property. I had a call this weekend about no power in kitchen outlets or dining room. I found a GFCI outlet in the run, tried resetting it ...
0
votes
1answer
97 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 ...