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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0
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1answer
31 views

switching half an outlet

gregmac's terrific, detailed replies here prompt a question for me. I have a switch mid-circuit that will control half of the next outlet downstream. There is one more outlet after that one, and it's ...
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4answers
64 views

Want to add outlet to bathroom

I have a bathroom with only a light switch and no outlets. The wiring is old so there are no ground wires. Can I put an outlet on that circuit and if so, should it be a GFCI?
0
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3answers
311 views

Should I have continuity between hot lug (at service in) and neutral bus with main breaker off?

With the main house breaker turned off, I have electrical continuity between the hot lug at the service entrance and the neutral bus in my service panel. I also have electrical continuity from ...
2
votes
1answer
42 views

Does adding a disconnect box below the meter mean that my service panel is now a subpanel?

I don't understand the bonding at my main disconnect. My problem is that my main panel in the house was wired OK with the neutral bonded to ground. The power company added a disconnect box below the ...
0
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0answers
28 views

How should I secure electrical wire to a cinderblock wall in a crawl space?

I just purchased a house that was built around 1995 and has a cinderblock foundation that is exposed under the deck. There is a detached workshop that is about 100ft from the house that gets its ...
4
votes
3answers
310 views

Can I use the tabs to chain 15A outlets on a 20A circuit?

When wiring 15A-rated outlet receptacles on a 20A circuit, is it acceptable to use the tabs & screws to chain the circuit from one outlet to the next? My instinct to overengineer says to use ...
4
votes
2answers
3k views

Why does voltage still exists when a circuit is broken by a 3-way switch?

My parents got a ceiling light for my parents for Christmas, which I was tasked with installing. I don't know why I bothered to check the voltage before putting the new fixture on (and after taking ...
2
votes
1answer
44 views

Receptacle connection with aluminum wiring?

I recently purchased a home that has some aluminum wiring. The previous owner decided to "upgrade" the receptacles to make it "safer" for me and my family; these changes were made after the general ...
0
votes
1answer
646 views

What could cause my recessed light to not work?

I replaced a flood light lightbulb in recessed light fixture, thinking the previous bulb had burned out, but that new bulb isn't working either. I've tried a regular lamp bulb to ensure my new ...
4
votes
4answers
2k views

Could bad grounding cause sparks and fire when connecting the cable box and TV?

I just moved into a home built in 1955. During inspection, it was noted that none of the outlets were grounded even though they had three prong outlets installed. Per our agreement, the owner ...
4
votes
2answers
67 views

What reasons are there to rewire an ungrounded circuit instead of adding GFCI protection?

The NEC allows replacing non-grounding-type (2-prong) receptacles with grounding-type (3-prong) receptacles by adding GFCI protection at the breaker or first outlet. What reasons might there be for ...
0
votes
1answer
77 views

What causes power to enter ground?

In trouble shooting this we found that an outside outlet had 70 volts coming through its ground. We went inside and disconnected everything but what is shown. The white is to the common, the red and ...
0
votes
1answer
64 views

How do I rewire my existing garage lighting so that one fixture is controlled by a new switch?

I have one switch that turns on the 5 light fixtures in my garage. I would like to add a switch where only 1 light comes on to save wear and tear on all my light fixtures. My thoughts are to run a ...
0
votes
1answer
23 views

can I combine electrical cords and their dimmeers?

I have three identical floor lamps grouped together. Each came with its own cord and slide dimmer on the cord. I would like to combine the three cords and have them all run on the same in cord ...
0
votes
2answers
144 views

How do I wire a bath fan?

I installed a new bathroom fan. I ran a wire to the light switch, but when I opened the box, there were only two wires inside. How do I wire it so I have a switch for fan and light?
0
votes
2answers
192 views

Do under cabinet electrical outlets meet code and be passed by NEC in new construction?

I would like to have the quartz back splash be clear of outlets and have them in a strip at the back under side of my kitchen cabinets. The electrician currently is telling me that these strips will ...
0
votes
0answers
21 views

Toaster and Kettle cause my green power board to trigger

I had my computer connected to a green power board. The computer itself is on the master port and the screen, speakers, etc are on the slave ports. When the master port drops below 5 W, ie. when the ...
0
votes
1answer
41 views

I want to add 5 can lights. Can i use a jumper from existing light switch to get power?

I want to add 5 ceiling can lights. Can i use a jumper wire to jump from existing light switch to get power to new switch for can lights?
11
votes
5answers
11k views

What is simplest strategy to map circuits to breakers in the panel?

My breaker box is very poorly labeled and I want to figure out which circuits may have overloaded (or close to it) and which could reasonably handle a little more. In the past I have just tried ...
1
vote
1answer
118 views

Why would changing ceiling fan speed cause an AFCI breaker to trip?

I recently installed 2 ceiling fans with Lutron combination light and fan dimmer switches. On both circuits, if more than a half second or so is taken when selecting the fan speed (that is, a delay ...
1
vote
1answer
52 views

Can fluorescent recessed lighting with four wires be converted to a two wire incandescent socket?

I have ceiling lights in the kitchen that are fluorescent recessed can lighting with four wires, can they be converted to a two wire incandescent socket?
1
vote
2answers
36 views

Can I use a three wire cable to feed a whirlpool tub?

If I'm required to add 2 dedicated GFCI circuits for a whirlpool tub and inline heater, can I run 3 wire cable (red,black,white,ground) or do I need 2-2 wire cables?
-1
votes
0answers
20 views

110v from high-leg delta drops voltage, what can be the cause? [on hold]

I am in a 3-phase industrial building with a box that I have identified as a high leg delta: between any two live wires I have 240V between one live "A" and neutral I have 208V between any of the ...
1
vote
1answer
244 views

Unplugging Alarm System

The house I am had an alarm system put in when the house was being built. The previous owners of our house used it but we haven't and all its been is a pain in the butt. Before it would beep when ...
0
votes
0answers
21 views

Ceiling fan lights flicker with fan off, but go to normal with fan on

Just bought an Allen Roth ceiling fan from Lowes the other day. The fan runs fine. When I have the just the lights on they flicker very rapidly. When I turn the fan and the lights on, the fan and ...
2
votes
0answers
28 views

Why won't my thermostat control the HVAC anymore after trying to switch thermostats?

I bought a new Nest thermostat which is supposed to be compatible but needs a professional installation (advice that should have been heeded by non-professional electrician me). This is to replace an ...
0
votes
1answer
42 views

Why are LED bulbs in a cooker hood flashing when I put in the fourth bulb?

I replaced 4 bulbs on a cooker hood with LED bulbs. Three will work ok till I put in the fourth; then they flicker once when turned on but will not stay on.
3
votes
2answers
262 views

How can I repair a chewed-through power cable?

My puppy chewed the power plug off of my space heater, and I'd rather not buy a whole new space heater if I don't have to. I went to the hardware store and found a plug rated for 125V and 15A. The ...
1
vote
1answer
67 views

What could cause my outlets to not have enough power?

Four outlets won't work right unless a lamp is plugged in then everything works fine. Unplug lamp it's like not enough power. Plug lamp back in outlets work fine. Why is this happening?
2
votes
2answers
56 views

Can old ceiling fan with red, black, green wires be replaced with one that has light?

There's a very old ceiling fan (without light) that I would like to replace with a new ceiling fan that has a light. I took off the switchplate to see how many wires, and there are three (black, red, ...
3
votes
3answers
2k views

What amp breaker for 20 Amp electrical oven and 40 Amp electrical range on same circuit

What amp breaker should I use for a 20 Amp electrical oven and a 40 Amp range? Currently, I have a 6 gauge wire and a 50 Amp breaker, and my current electrical cooktop and electrical oven are both ...
3
votes
3answers
98 views

How do I trouble shoot powerline issues to my home?

We moved into a new home about one year ago. Since then we have had several weird instances where several light bulbs within our home burn out at the same time. My wife has also had 2 high-end salon ...
3
votes
1answer
68 views

Can two ground rods be bonded via a PVC conduit above ground?

According to my understanding, if a supplementary ground rod is installed, it must be bonded to the existing rod via a buried 6 AWG cable (NFPA 70). However, because virtually every side of my house ...
2
votes
1answer
70 views

Is it okay to place two battery chargers on one 30 amp circuit?

I have a 30 amp 240 volt circuit out side in my garage and I want to hook up two 10 amp 240 volt circuits. The equipment I am hooking up are battery chargers. Can I install fused down disconnects on ...
1
vote
1answer
102 views

Why would I have two wires feeding one smoke detector?

I found a smoke detector in my house that appears to have two wires feeding it from two different circuits. Is this OK?
9
votes
8answers
5k views

Home light switch circuit with 5 switches

I am new to the amazing world of electronics and am starting out small. I think... Early 2010, the wife and I bought a house that was built in 1979. Now I started replacing light switches and ...
3
votes
1answer
49 views

Is there a specific NEC code specifying the distance between water heaters and electrical panels?

I have a condo in a large building with many identical units. Several times other owners have mentioned that the original layout of the utility room isn't up to code due to the proximity of the water ...
0
votes
2answers
63 views

Why is my dimmer switch buzzing?

We had 2 dimmer switches that had stopped working (lights were on 100% regardless of how turned the dimmer switch was. I checked the back and went out and bought 2 new ones, turned the electricity ...
2
votes
2answers
70 views

What options are there to achieve both grounding/ground-fault and arc-fault protection on old 2-wire circuits?

The three receptacle circuits in my house are 2-wire NM, but have 3-prong receptacles. My electrician recommended and installed GFCI breakers to provide "grounding" to these circuits. I now realize ...
1
vote
0answers
39 views

Why would a GFCI on my infloor heating circuit trip, when an exhaust fan on a different circuit turns on/off?

I have infloor electric heating installed in our bathroom. The power is supplied by a dedicated 240V/1Ph. circuit that also feeds a couple of baseboard heaters in our bedroom. The infloor heating is ...
0
votes
0answers
6 views

How post images and pictures? [migrated]

Newb question - I have some DIY questions (mostly electrical with wiring and grounds and stuff) and I need to show pictures (cannot describe it adequately) - I read up on how to show images but it is ...
1
vote
1answer
25 views

installing a replacement fixture with three lamps in one on a two way switch

I am replacing a single pendant-type ceiling light with a new pendant fixture that has three individual pendants that go into the single "hood" that attaches to the box in the ceiling. There are two ...
0
votes
1answer
38 views

Is my electric stove receptacle wired correctly?

When I test the four prong electric stove outlet by touching one of the prongs and the ground, one prong reads 120V and the other 220V. Is this normal or is it wired wrong?
1
vote
2answers
3k views

Why isn't my GFCI receptacle working?

I am installing a GFCI outlet and I am having some issues. I have identified the hot and neutral wires. They test positive with the voltmeter when I turn on the switch. I connect the receptacle to ...
8
votes
8answers
24k views

How can I run Cat5e cable through a completely finished house?

My family and I are interested in buying a house that was built in 2002. This house is two floors on a concrete slab with a finished bonus room upstairs so there is no attic other than above the ...
0
votes
1answer
63 views

Troubleshooting 3-way switch

I'm having trouble with a three-way switch. (It may be 4-way, there are switches in my house I can't figure out). I don't recall if they ever worked properly. The light stays on regardless of the ...
2
votes
1answer
28 views

Is an oven heating element polarized?

I just took out an oven heating element without paying attention to which wire was hooked up to what end. Does it matter how I hook it back up?
1
vote
2answers
40 views

What would cause all my gfi recepticles to not reset in my kitchen?

All my recepticles that are gfi except one will not reset nor will the outlets that are protected by them work? My house was built in 2006 and the receptacles are levitons. It tripped the breaker ...
1
vote
1answer
45 views

I ran into two hot lines when replacing a three way switch

I've read up on three way switches, and have replaced a few over the years. I recently installed a bathroom fan, and so had to replace two three way switches. Very simple setup - two switches, one ...
1
vote
1answer
24 views

Increasing the capacity of an electric baseboard thermostat

The electric baseboard heat in my living room has a mechanical thermostat (bimetallic strip) that occasionally gets stuck in the "on" position. I'd like to replace it with a solid-state thermostat, ...