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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1answer
31 views

Upgrading to 200a Using a Subpanel

I am being forced to switch my gas furnace to an electric one and need to upgrade my mobile home from 100a to 200a. I would like to leave the 100a panel with all the load connections that run ...
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1answer
44 views

Half of electrical circuits remain out after exterior neutral failure

Half electric works in house. Had broken neutral wire outside on house. Had electrician change all wiring from power company to meter then from meter to breaker box and put a new breaker box in and ...
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0answers
46 views

A gentler way to chase electrical sockets

I'm in the process of first-fixing a British 1930's house, and although the vast majority of the electrical chasing is done I'm still having trouble finding a safe method to cut out the brickwork for ...
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2answers
301 views

Ground wire in 14/2 NM-B cable is at 60+ Volts when not connected to anything

I bought two 25' lengths of 14/2 wire for installing a light. When the black wire is connected to live (say, of an outlet), with ground and neutral wires not connected to anything, the ground wire ...
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1answer
29 views

looking for a timer to open and close a circuit

I am looking to open and close a Feed on a low voltage zone valve on a heating system. Its 16 volt, and I want to put a timer in the line so I can break the current and control the valve with the pre ...
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1answer
54 views

How to wire ground when the sub-panel is Plug-On Neutral

I need to install a sub-panel in my home. Both the main panel and the sub panel are in the same building. I purchased a Square D Homeline Indoor Plug-On Neutral panel (Model # HOM2040M100PCVP) for ...
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0answers
32 views

Moving from US to South Korea, what surge protectors can I buy? [migrated]

In September I'm moving from the US to South Korea. South Korea uses 220V/60Hz power and the continental European C/E/F-style plugs. As part of my budgeting process, I'm working on determining what ...
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0answers
38 views

Tankless water heater - Electric issue

I have a AuqaPower Tankless water heater I installed myself 2 years ago. I used the old wire from old (tank) water heater and I ran a new wire for the 2nd place. It has worked great for 2 years and ...
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2answers
41 views

Why is there no power on the load side of a GFCI outlet?

I ran a new electrical line in my basement to include a GFI receptacle for a portable sump pump followed by a switch that controls four LED can lights. All parts are brand new. I wanted to have the ...
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0answers
11 views

How does a pot control variabie off cycle in connection with a recycle timer

I am trying to learn the basics of electrical circuits especially home appliances. My pellet stove motor runs for a fixed five seconds as it drops pellets. Then it turns off for a time that can be ...
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1answer
31 views

can I attach electric cable to underside of rafters

I am rewiring several fixtures in the basement. Can I attach electrical cables to the underside of the rafters in the basement?
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0answers
43 views

Loud Noise, possibly electrical, from somewhere in the house

Just today I have heard a loud buzzing noise in the house. I have lived here 16 years and never heard it before. It is loud, lasts a few seconds and sounds electrical. I cannot isolate where it is ...
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2answers
26 views

measuring electricity on a shared circuit

I live in a flat above a business and my utilities are all shared with the business. I need to measure my electricity usage so I can reimburse the business. I do not need to measure the gas. Can I ...
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1answer
63 views

Why would three-way switch travelers both show as hot?

We have a three-way switch setup to control our living room light. Our staircase is on the far wall of our living room and one switch is downstairs while the other is at the top of the stairs. The ...
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2answers
355 views

Mount ceiling fan without electrical box

I went to replace a ceiling fan on a cathedral ceiling in my house yesterday, and upon removing the old fan I noticed that there is no electrical box where the fan was mounted. The fan was hung from a ...
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2answers
27 views

Wiring two motion sensors from separate locations to control a bank of lights in between both?

I want to turn on a bank of lights running along a deck between two entryways. The power switch is inside one doorway and feeds the circuit to the outside. How do I wire the two motion sensors so ...
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3answers
1k views

Red wire to green? Old electric wiring circa 1949 to new dimmer

I installed a lighting fixture in the hall, running off an older fixture. It worked fine with the existing switches. Then I wanted to replace one of the two old switches (circa 1949) with a dimmer ...
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2answers
65 views

What's the best way to connect two seperate generators to a well pump?

I need to have a generator run 240 volts to a well pump, and want it switched off when the generator is started. I also want a second (back up) generator that can be switched on if/when the main ...
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2answers
94 views

Low voltage on 120V receptacle after too much load

We accidentally ran our microwave and an electric tea kettle on the same outlet at the same time. Suddenly neither would turn on. I brought out my volt meter and it reads a curious 13 volts vs the ...
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2answers
143 views

How should I wire a ceiling fan when there's only three wires in the box?

I'm replacing a ceiling fan and it has three wires as is common: black, white, and bare ground. I have a two-toggle wall switch. One switch makes the black wire hot (for the motor), and the other ...
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2answers
63 views

Confused by ~115VAC 5-wire cabling to UK thermostat

I have a 5-wire cable as used for 3-phase (i.e. stripes/blue/brown/black/grey) coming to a hole where a thermostat was - only the earth, live (brown), and switched live (black) were used by this ...
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3answers
53 views

What's required to wire a repurposed cooktop in my shed?

A friend gave me a stovetop that was separate from the oven which burnt out.The two pieces were inserted into cabinets .I want to hook up the stove top in my shed for cooking. Its the type that has ...
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5answers
1k views

Is it possible to convert a switched light into an unswitched outlet?

I am installing an overhead automatic garage door opener. My only power source close to where I will be hanging the motor is an overhead light socket that is operated by a switch on the wall next to ...
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3answers
181 views

Why is it said that a typical 120V household circuit “reverses” polarity?

Responders have been very helpful with a recent post of mine. But I'm sorry to say this part still perplexes me: In a 120VAC circuit, current flows from Line 1 through the load, and returns via ...
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2answers
63 views

How to connect garage outlet circuit to power source

I have 2 outlets in my garage that I want to get working. When I traced the wires to my basement I noticed that the wire from garage to basement is not hooked up into panel box because there is no ...
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5answers
94 views

Need another 240v breaker

I bought a device called Sense to monitor home electrical usage that is installed in your electrical panel. The device needs to be connected to a 240v breaker like this: The problem is that I only ...
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1answer
495 views

Should I leave outlet covers on or off for electrical inspector?

I've got an electrical inspection scheduled for 4 circuits I added to my garage. I did the work myself and my city uses the most current NEC. All wiring is running in open stud walls in my garage. I ...
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3answers
79 views

using two oven in one outlet

I have two ovens. One is 20 amp at 240 V and Second is 30 amp at 240V. And I have one 240 V 50 amp outlet hook up to one circuit. Would this be sufficient enough to run two ovens without ...
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1answer
39 views

Is it acceptable to decrease the HP rating of a blank-face GFCI?

I have a 20 amp Blank Face GFCI rated at 1.5HP that is protecting two outdoor 15 amp receptacles. Could I use a 1hp blank face GFCI instead? Also, why wouldn't the electrician used a regular gfci ...
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2answers
61 views

Electric box for kitchen island cabinets

What kind of electrical box can be used in a kitchen island cabinet for a single duplex receptacle, where there is no structural members to attach an electrical box to? Here is a picture of the old ...
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0answers
21 views

need help, electrical ,wiring celing fan

I'm trying to wire in n my ceiling fan and there are 4 wires junctioned in to the box and only 2 black wires stubbed out, how do I wire it with 2 blacks?
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3answers
63 views

120v vs 240v neutral

I understand that 240v in a house current, the flow is in out/ out in through the two 120v lines from the transformer. What continues to confuse me is the role of the neutral wire in a 120v circuit. ...
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1answer
37 views

Combination “Tamper Proof”, “GFCI”, and “AFCI” receptacle locations?

Where "Tamper Proof", "GFCI", and "AFCI" receptacles are required in the same space, how is that accomplished? Is there such a thing as Tamper proof GFCI or Tamper proof AFCI receptacles?
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1answer
32 views

Changing a 4 wire electrical cord to a 3 wire electrical cord for a range in a 1905 home

I purchased a stove 3 years ago that blew because the stove was hooked up as 3 wire plug and the wall outlet was 4 wire. The technician to that diagnosed the problem, said because of the age of the ...
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2answers
55 views

20 amp wires into 15 amp outlet

I'm replacing a hall way outlet that only runs the hall light. I have the 15 amp outlet and the wires coming out of wall are too big to fit in holes. Guessing 20 amp? Is it ok to just wrap them around ...
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1answer
52 views

Ontario kitchen reno: does a gas range require a 240V 50A receptacle?

I've been getting conflicting opinions from electricians on this issue... I'm doing a kitchen reno. I have removed the existing electric wall oven and gas cooktop. A new Gas Range (all gas, not ...
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1answer
111 views

What size wire for 100 amp sub-panel from a 200amp main panel? [duplicate]

I want to add a 100 amp sub-panel from a 200 amp main in an attached garage. It will be about 100 feet from sub to main. What gauge wire should I use? The sub panel is to hook up a 7.5 horse air ...
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3answers
192 views

Is there any way to change this light bulb? (no socket I guess)

My ceiling lamp died. Is there any way that I can change this light bulb? The white wires are soldered into the ballast inside the box. The ballast also is wired to pins connect to the bulb. So I ...
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0answers
21 views

Different light fixture quit working after changing switch

Upstairs: I just replaced some halogen track lights with LEDs. The switches were double pole and are illuminated when the lights are off. This caused the LEDs to have a dim light even when they were ...
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2answers
64 views

Why should I replace the starter every time I replace a fluorescent tube?

Many fluorescent tube guides recommend replacing the bimetallic strip starter every time the tube is replaced; however, no one seems to provide a specific reason why it needs replacing. Presumably you ...
3
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1answer
51 views

Three-way from two panels

My home used to have a three-way circuit setup to control the upstairs hallway light from downstairs. However the home was built in 1930 and had old knob and tube wiring. The last owners renovated the ...
4
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1answer
45 views

Install fire/smoke alarm directly to stud or in electrical box?

I am installing (6) brand new smoke alarms in my home, including running all new 14/3 wire to each alarm. I have purchased "old work" electrical boxes for all of the alarms. However, the existing ...
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1answer
49 views

What should I do with the ground wire on a replacement bathroom fan motor?

I bought a new motor for my bathroom vent fan and it came with a ground wire. The old motor does not have a ground wire, or not that I can see. What should I do with the ground wire?
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1answer
52 views

Fire place and stove turning themselves off

A few months ago my stove starting randomly turning off. Now as of the last week or so my fire place is doing the same thing. Though my stove can sometimes take days to turn back on, my fire place ...
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6answers
1k views

Can I take a 220 line and convert it to a regular house outlet what would be the damage?

I have a electric 220 dryer hook up in my kitchen now I want to convert it over to use for a higher grade power supply for my microwave blender and toaster without converting Any wires or touching the ...
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1answer
71 views

Automation of electric machines [closed]

I have, of course, a lot of electric machines: Computer, printer, humidifier, etc. But I want to make them "smart" by automatizing when the humidifier will turn on everyday. The original humidifier ...
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3answers
64 views

How do I choose which breaker breaks first?

Let say I wanted some power out in my shed. I ran just 14 gauge wire thinking I won't blow the 15A breaker with just lights and the occasional smaller power tools. For the most case this is true... ...
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0answers
58 views

GFCI breaker trips when switched on

I'm buying a house. It's an old house. I had to put in a GFCI breaker for the bathroom. It trips as soon as I switch it on. If I disconnect the neutral it doesn't trip. It is three wire coming ...
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3answers
97 views

How safe is it to plug in an extension cord that has a missing ground pin in to a GFCI outlet?

I know it will still provide power and such but what are the potential safety hazards?
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2answers
66 views

How do I install an occupancy sensor at a switch with only two wires?

How do I install a Lutron occupancy sensing switch on a switch box with two wires? Also, what do I do with the green ground wire?