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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How do I wire a GFCI with 5 wires?

How do I install a GFCI receptacle with 2 black and 3 white wires plus a ground? I have two such regular receptacles next to sinks and should replace them before the upcoming home inspection, please ...
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1answer
37 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
19 views

Why don't I have any power in my kitchen despite a socket testing hot? [on hold]

I have a socket with 2 black wires and 2 white wires. When I test them they read hot but when I connect them to the plug I have no power. I don't have power in the kitchen at all: no plugs or lights ...
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1answer
45 views

Conduit Underground - Ways for tunneling under obstructions?

I'm running into a situation where it's increasingly difficult to bury this PVC underground 18" in some spots due to massive tree roots. Changing directions and/or destroying the roots isn't an ...
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2answers
43 views

Should a heavy duty transformer (used predominantly for LED lights) be on the mains ring or the lighting circuit?

I am putting RGB LED strip lights in a room, powered by a fairly heavy duty (30A) 12V transformer. The transformer will also power a Raspberry Pi (volatage will be split to give it 5V)that will be ...
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1answer
86 views

NEC, use more extension boxes or an access panel?

What is the maximum number of extension boxes you can hang from a ceiling? This is ridiculous and I probably need one or two more to meet the new drywall ceiling. Are junction boxes permitted behind ...
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8answers
3k views

Is there a way to unscrew a light bulb that has broken?

The recessed light in my bathroom broke while trying to unscrew it, and only the metal collar remains. What is the best way to get that remaining part out?
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1answer
43 views

Are these three-way switches?

I have 2 bedrooms and I want to replace the light switch for a dimmer. I though it would an easy job for a beginner like me but after I opened the first switch, I realized there was a 3 wires (I was ...
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1answer
19 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 ...
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2answers
23 views

Testing and proper breakers for a multi wire branch circit?

How do you determine if an outlet is part of a unidentified multi-wire branch circuit? Also, does code say MWBCs need to be on double throw circuit breakers and is it permissible to link CBs with that ...
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0answers
19 views

Smoke detecor Insulation problem [on hold]

I am working in a hospital. Our new hospital project team is going to hand over the fire alarms to a fire safety department, and before the hand over I went on an inspection. I found that the smoke ...
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6answers
2k views

Electric shock - was I stupid, unlucky, or a combination of both?

One of the double sockets in our garage needed replacing (damaged after a washing pole hit it) - a pretty trivial job that I'd done before. So I flipped the MCB for the ring main, used a non-contact ...
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2answers
21 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 ...
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3answers
57 views

A/c makes the lights turn on and off! No Joke!

The lights on the first floor, upstairs bathroom and upstairs Laundry room won't work. The breakers did NOT pop The air conditioning was running this morning but is not working now. When the ...
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2answers
140 views

Does anyone know how to get rid of magnetic field from water line?

I have horrible wifi reception in one side of my house, even with an expensive wifi router. So I purchased a magnetic field meter and confirmed everywhere it peaked the wifi was non-existent. Walking ...
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1answer
52 views

Trying to hook up 2 new lights and 1 outlet

We are trying to get two vanity lights and one plug in hooked up in our living room which were not there before. We have the power turned off of course, and then when we turned it on, the lights went ...
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1answer
36 views

How to wire a light fixture with 3 white wires in box?

I just removed a light fixture which was connected to three wires. One light wire (both are brown) was hooked up to two white wires, and the other wire from the light (also brown) is connected to one ...
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0answers
34 views

What could cause a condensing units fan to stop working?

My AC unit fan stopped working suddenly. I tested the 3 pole condenser (capacitor) and the it looks OK ( 45 uf , 5 uf is what is mentioned in the spec of capacitor). I tested the resistance in the the ...
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1answer
48 views

How do I wire a gazebo

I just purchased a outdoor pavilion that came with an electrical package. It includes a #12 two wire plus a ground wire going into an electrical box for the on and off switch to run the fan and ...
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1answer
30 views

Can I run wireless alarm sensor in same conduit as power?

I need to connect a water flow valve to my wireless alarm. I plan on connecting the water flow switch to a wireless alarm sensor Currently there is a junction box that has power running to it that ...
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2answers
65 views

Why is there a one second delay before the lights turn on with this new dimmer switch?

I just installed a new dimmer switch (Lutron Skylark (SCL-153PH-WH)) in my dining room. The previous switch was a single pole dimmer switch that would turn on the lights on immediately when switched ...
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0answers
57 views

Why do my lights blink?

I have three flood lights (of this model) controlled by a single switch (this one). When turned on, the lights seem ok for a few minutes, but then they start to slowly blink on and off. Each blink ...
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1answer
47 views

Strange light switch wiring… why would neutral and hot be connected?

I'm having trouble figuring out why my light switch box is wired the way it is. The place I'm living in is quite old (guessing built in the 80s?). Originally, I opened open the panel with the hope of ...
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4answers
85 views

How to determine if a 20 amp breaker can be upgraded to 30 amp

I recently purchased my first home and the breaker the electric clothes dryer is connected to is 20 amp. I was told it should be 30 amp by a home inspector but foolishly did not have the seller ...
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0answers
36 views

How do I wire a bathroom exhaust fan/light combo from one switch to two switches? [closed]

I had an old exhaust fan/light combo that was ran off a single switch and I have in stalled a new one and want to have separate switches for the light and the fan. The switch Box has two sets of wire ...
3
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0answers
55 views

What do I need in order to fix the sloppy work done by cable providers? [duplicate]

As some of you have surely experienced, residential telecom installers can leave a thing or two to be desired when it comes to how they get the service into our homes. A small project I've had in ...
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0answers
81 views

What's going on here? I want regular light switches! [closed]

I've been replacing old worn out outlets and light switches, then I came to this dimmer that doesn't dim and another switch that doesn't seem to control anything. I'll send a picture if someone knows ...
3
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1answer
84 views

What is this switch plate cover with a pyramidal bulge across the top of the plate?

We were trying to replace old switch plate covers at our new house when we came across one that is a type I've never seen before. It's a light switch cover that looks like an ordinary cover except for ...
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2answers
59 views

Is there a keyed switch that can be used to power off a subpanel?

I'd like to be able to power off the sub-panel in my home workshop using a simple key-based switch. I envision a junction box just before the sub-panel with a key that can be turned "on" or "off", and ...
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3answers
60 views

How many amps does it take to power 2 AC's, a freezer, a refrigerator, 2 TV's, and a computer?

I'm making my garage into a living place and I put in a 50 amp line from my house to the garage. The garage has its own fuse box but I want to have an upstairs living area and a downstairs man-cave. I ...
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1answer
112 views

Why is high voltage coming out of HDMI port on my TV?

I am plugging my TV into a grounded outlet. When I plug an HDMI cable into the back of the TV and measure the voltage coming out of the other end of the cable (should be 0 shouldn't it?) it reads 380 ...
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3answers
91 views

Should data ground wires be attached to plumbing?

I have ground wires attached to copper plumbing on the house side of the dielectric coupling. The telephone service box has a ground wire which I found attached to copper plumbing. The satellite ...
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1answer
50 views

Outside flood light problem

A two light outdoor flood light fixture has stopped working. I have replaced the bulbs, checked the circuit breaker, the GFI, the switch (including bypassing the switch). I have also checked for ...
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3answers
111 views

A spark from a power strip recently made the electricity go out is it safe to turn it back on?

About a week ago my daughter plugged up her iPod to a power strip that was plugged into an outlet in her bedroom, she said she placed the iPod onto the power strip and let it sit there while she ...
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1answer
25 views

Video / audio ground on ungrounded equipment

There is a great question regarding reversed polarity wall outlets which gives me pause. I recently moved my mother-in-law's television and DVD player, and I noticed that both use ungrounded C-style ...
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2answers
48 views

Can this transformer supply 2000 Watts according to its labeling?

I have a 5M voltage transformer, can I use it to my 110V appliance with 2000 watts? Insert is the picture of my transformer
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3answers
42 views

Need help determining if a multiwire branch circuit is wired correctly

When I opened up my walls for a kitchen remodel I discovered what I'm pretty sure is a multi-wire branch circuit. It has a 12/3 (black + red + white + ground) NM cable going back to the breaker. I ...
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3answers
1k views

Is there ever a reason for reversing hot and neutral on a receptacle?

I moved into a new home and several receptacles have the hot and neutral reversed. I confirmed this with a basic receptacle tester. I opened one up and found the white wire on the brass terminal, ...
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2answers
39 views

Is it possible that my GFCI receptacle is bad?

I have a double wide mobile home. The outside receptacles and the one in master bath do not work. They are GFCI protected but the GFCI is NOT tripped. Is it possible that the GFCI is bad? I think the ...
6
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1answer
101 views

Can a private electromechanical meter be placed between the utility's meter and the main breaker?

I want to run an experiment which compares the readouts of the newer electronic smart meters against older electromechanical meters. Is there anything in the NFPA 70 or any other law or code which ...
8
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2answers
218 views

There are bare copper wires in the light box?

I opened the light switches and electrical outlets on the walls before the painting job and found in the metal casing boxes there were two bare copper wires attached on the same screw, they were laid ...
0
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1answer
44 views

For installing a new exterior light on a brick wall, can I connect the wires in a junction box mounted on the opposite side of the wall?

There is plenty of room to install the junction box on the other side of the wall and I would rather not put a box on the outside of the wall. Can I simply connect the wires in the junction box on the ...
2
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1answer
56 views

How do I properly ground a light fixture?

I installed a light fixture in my bathroom and need help grounding it properly. The previous fixture wasn't grounded. When I removed the fixture, there were two wires, one black and one white, from ...
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2answers
94 views

Is it possible (and safe) to adapt a 4-prong dryer outlet to a NEMA 6-20?

I'm considering an appliance that is 240v 16A 3500watt with a NEMA 6-20P plug. Is it possible and safe to create an adapter for this so that it can be plugged into a standard 4-prong 14-30R dryer ...
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0answers
37 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
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1answer
79 views

Is it OK to have more than one neutral wire in the same connection on the neutral bus bar on a main panel?

I'm installing a new 100 amp panel and have almost run out of openings on the neutral bus bar and still have 4 more breakers to install. Can I double up on the neutral side or should I start using ...
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2answers
298 views

Can I drive a ground rod near a gas meter?

I am redoing the electrical in my 1940s house. The house has no grounding electrodes but the meter and panel are grounded to my water pipe outside in the front of the house. (This actually looks like ...
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2answers
113 views

I have 220V cable on a 110V circuit. Should I be worried?

I'm reconfiguring my kitchen and moving some stuff around, which necessitates moving some outlets and switches. This is my first attempt at any kind of electrical work, so finding weird things makes ...
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1answer
45 views

How can I tell if there's an electrical issue or if I have a bad dryer?

I purchased a dryer from Sears: recently, which didn't work upon being connected. I performed a couple electrical checks (more on that in a moment), then called them up and told them that it was dead ...
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2answers
74 views

Could power fluctuations have killed my refrigerator?

Bought a house (built in 1937) recently. When the clothes washer runs (particularly, when it agitates), lights in the house flicker. I've read in numerous places online that this is possibly due to ...