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
23 views

BASEMENT EMT CONDUIT + 12G THNN WIRES + NM-B

Sometime I started (slow pace) the rewiring process of a large mansonry house. Overall I intend to use EMT conduit inside walls, and in the attic mostly bx/mc conduit. Will mostly use 12G THNN and ...
8
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1answer
114k views

What wire gauge should I use with a 30 amp breaker for a 220V welder?

I am installing an outlet in my garage for a 220v mig welder. The welder specs call for 30A breaker. The outlet for the welder is only 2 feet from the garage sub panel. The wiring refernece charts ...
0
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1answer
94 views

Can I shorten my in floor heating cable?

Just wiring up an in floor heating thermostat. I have two separate two wires going into my flooring as well as another coming from the panel. I am wondering about the two wires going down to the ...
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2answers
80 views

How to distribute power better across two breaker panels

Symptom: Lights dim when appliances or laserjet printer kick in while HVAC and clothes dryer running. I currently have a 400 Amp service split into 2 panels each with a 200A main breaker. I'm all ...
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2answers
32 views

Electrical circuit breakers, how do I check

I had a 15 Amp GFIC/AFIC circuit breaker replaced. Everything is wired correctly. How do I test that the new one is not defective ? Lights still don't work.
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1answer
28 views

How do I attach both my washer and dryer to the same NEMA 14-30 receptacle?

Currently, I have a single NEMA 14-30 plug in the laundry room. I also have an ASKO W6022 dryer (manual available here: https://www.manualowl.com/p/Asko/W6022/Manual/161455) and an LG DLEC855W dryer ...
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2answers
65 views

News Exterior Transfer Switch Location and Clearance

I finally got around to figure out the spot for a new transfer switch which I acquired some time ago, there aren't any choices since the transfer switch needs to be close to the meter. It is a small ...
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1answer
122 views

How to Rewire Powered Switch Controlling Half Hot Switched Outlet to Power Outlet as Always On and Control/Power Recessed Lighting

All: I hope someone may enlighten me. I have a switch with two lines running into it. I believe the first to be power running from the breaker. There are yellow (or white yellowed with age), ...
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2answers
95 views

Outlet stopped working, found it is only two wire

I recently noticed that a three-prong outlet stopped working. Short version: I checked the wiring and there are only two wires running to the outlet and no visible ground wire. I checked another ...
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1answer
14 views

Proper way to test AC voltage for dishwasher hookup

I am trying to connect my new dishwasher to the electrical cable coming up into my kitchen from down in the basement. This (white) cable actually houses 3 smaller wires inside of it: A white wire ...
1
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1answer
40 views

Is it worth it to pay extra for a stainless steel tank water heater?

I'm getting ready to replace my ancient water heater and wondering whether it makes sense to get to a model with a (edit: 316L) stainless steel inner tank instead of one with the standard glass-lined ...
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2answers
27 views

How do I handle an unused light fixture junction box in a bathroom?

I am in the process of adding a 3/4 bathroom to the upper of my house. The plumber just finished the rough in and all framing is complete. I am now looking at the electrical and I have a issue. There ...
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3answers
176 views

Distributing load in electrical panel

I am in the process of rewiring my house. The house was built in 1950 and even though the service panel was upgraded in the early 70's to a Square D 200 amp service, the system is ungrounded and will ...
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4answers
4k 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 ...
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1answer
45 views

Can I safely hang a 17KG TV on a drywall in the UK?

I was wondering if it's possible to hang a 50 inch TV on the wall behind my PC setup? It weighs a total of 17KG. Here's a link to the TV I'm talking about: Panasonic TX-50CS520B
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4answers
90 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
42 views

Can I install a sub-panel with no ground to the main panel?

I have an old 3-fuse subpanel (screw in fuses) that currently has two 15 amp fuses and one 20 amp fuse. I want to replace it with a new breaker panel. There is no ground, only hot and Neutral. I ...
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2answers
25k 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 ...
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2answers
144 views

Does UF wire allow direct burial or require conduit?

I'm working with 6-3 UF-B wire in a wet location (under a deck). Does this wire need to be in conduit or buried? In other words, can the wire be exposed to the elements as is under the deck? If there ...
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2answers
58 views

Open Compute Server needs 220v to run. Can I use voltage convertor to run it?

So I bought an open compute kind of server and it runs on 220 volts and 700 watts power supply. So I decided to purchase a voltage converter(Transformer) My question is is this stable and will I ...
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2answers
81 views

Measuring only 71 volts at light switch

My wife asked me to replace a switch in her room because the ancient ceiling light was not working. The house is over 90 years old. The wiring for the switch had fabric insulation, which is easy to ...
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4answers
250 views

annoying vibration, deep humming noise in home

What in my home could possibly vibrate and/or make a very low humming noise? I have been driven mad by a low droning vibration type noise for nearly two years. I have gone through testing various ...
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2answers
27 views

How can I connect a zwave switch that requires a neutral to 3 way box?

I have a 3 way switch that looks like it's wired like the illustration below. I would like to remove the switch shown on the left and replace the switch shown on the right with a Zwave switch that ...
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2answers
651 views

How can I wire a single gang 3-way fan control and dimmer?

My client's new fan is installed on a 3-way switch above stairs. The switches are located top and bottom, on separate breakers. The fan and light are operated simultaneously. The light attachment has ...
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1answer
36 views

How to connect wiring for ceiling fan?

I'm trying to install a ceiling fan. There used to be one at this location which is now controlled by a wall switch. The ceiling box where the fan goes only has 2 black wires going down to the wall ...
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1answer
35 views

Power supply and dimmer/pot specs needed for LED A19 bulb in DIY desk lamp

I'm making a desk lamp using a single dimmable A19 7w LED. My questions: What kind of dimmer/potentiometer can I use? Can I simply run an extension-type cord from the A19 bulb socket/base into a ...
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1answer
54 views

High EMF from electric wiring

I'd recently been given an EMF meter and when I turned it on, the EMF around most of the house was around 15 head height. If I'm downstairs and raise it to the ceiling it's well above 100 and the same ...
2
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1answer
28 views

Fill Count For 14/3 G NM With 'Unused' Red

I have 3 hall luminaires controlled by a 4-way switching system. The electrician elected to run 14-3/G NM too all the fixtures. The most distant one is mounted on a round 4 inch x 1/2 inch pancake ...
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1answer
46 views

New ceiling light not working

I installed new ceiling lights and one of them is not working. Nothing was existing, it was all new. I tapped into an existing electrical outlet, wired that to a new light switch, and then wired that ...
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2answers
705 views

Why isn't my mini fridge staying cold?

My mini fridge has full power, but I come home after a couple of days to find that the compressor has shut off and everything has defrosted and the fridge isn't cold anymore. I can turn the knob and ...
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0answers
23 views

Current sensor for pc [on hold]

I would like to get power consumption of electrical devices, and be able to monitor it from a computer. I have found this: Can I plug the jack into a microphone input and get instant power ...
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2answers
41 views

Wiring existing 3 Way Switch in basement stairs that was cut

Edit: So after reading more up on 3 way switches I may think I know how they originally wired it though, I just haven't seen any diagrams done this way. It looks like they passed the 2 traveler lines ...
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1answer
33 views

Ceiling fan & lights turn on automatically

I couldn't find someone with the same problem so here goes: I've replaced a ceiling fan (the old one had some parts missing), but as soon as I put the power back, the light and fan turn themselves on ...
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2answers
42 views

I have a neutral wire, what do I hook that wire to?

I have 4 wires on a new switch, 2 of them going to ground. One green and one silver (bare) coming from the bracket of the switch. In the electrical wiring of the house I have a neutral wire, what do I ...
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2answers
1k views

Why are my dimmer switches malfunctioning?

I have two dimmer switches that have started malfunctioning. They are in the same box with two other standard switches. Each controls a set of three small flood lights. There is no other way to ...
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1answer
63 views

Mystery Electrical Voltages in Duplex Junction Box

So I'm finally getting around to installing the ceiling to floor bookcase in my home office. There is a single duplex outlet that I intend to reverse from facing into the office, to facing outwards ...
3
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1answer
58 views

Rewire a ceiling fan, ceiling fan on, not controllable by switch

Friends with electrical background could use some help. The top drawing was the original of how the electrical ran in my wall. The thing I messed up and did was not take a picture of the switch before ...
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1answer
24 views

Is my RCD Breaker faulty?

Every 2 weeks my main RCD trips and it wont reset. After an hour it will allow me to reset it and its fine for 2 weeks. The main RCD has a short spur to another mini RCD board that was installed 10 ...
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1answer
43 views

Why did my cooktop trip the breaker when I cleaned it with too much water?

I have a problem with my miele built-in gas cooktop. I was cleaning it with baking soda and stabilized hydrogen peroxide, afterwards, I rinsed it with water. I was using too much water and one of the ...
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2answers
38 views

Romex into Carlon 5070 phenolic resin boxes. Knockouts?

For various reasons I'd like to use the Carlon 5070 phenolic resin boxes for my switches, with romex. The knockouts look weird: rectangle holes, two on each of the four edges in back. How do they ...
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2answers
152 views

Switching between 3 30a 120v loads

I have one 30a 120v single phase circuit and three 30a 120v single phase loads. How do I switch between the three: one on-two off?
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0answers
18 views

Why does my washer stop during cycle for hour at time then start back up again and doesn't spin out clothes fully?

Washer stops in middle of cycle then starts back up after 30mins or so and doesn't spin clothes out all the way making loud noise but if I sit on it it calms down the noise?
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2answers
278 views

What is the grey wire dangling from my ceiling?

We recently moved into a new apartment in Berlin. We are the first occupants and thus there are no existing lighting fixtures. In the living room there are 4 light switches (1 & 2 on the left of ...
6
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1answer
48k views

What size wire should I use to feed a subpanel in my garage?

My main panel has been upgraded to 100 amps. I would like to add a subpanel in the garage which would supply: 20 amp Mig welder running on 120 volts, but later upgrade to a larger Mig welder as i ...
9
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2answers
12k views

Should all Federal Pacific panels be replaced?

I understand that Federal Panel Stab Lok breakers have the potential for becoming stuck, overheating, and starting fires. My home has a Federal Pacific panel but no outward markings of being a Stab ...
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1answer
44 views

Wiring a new pendant light to an existing ceiling box

My new light fixture has three silver wires, one is ribbed and I assume neutral, but the live and ground appear exactly the same. How can I tell the difference? Does it matter?
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2answers
52 views

Can I join two switched circuits into one circuit?

I have a circuit for the kitchen lights w/two 3-way switches. I also have a circuit for the adjoining room w/three 4-way switches. Is there any way to safely join the two circuits and just use ...
2
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3answers
2k views

How can I shut off circuits when I have a generator with an automatic transfer switch?

We had professionals install a generator with an automatic transfer switch. I showed them our circuit-breaker box and told them which circuit numbers should be on generator power. Okay, everything's ...
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3answers
29 views

GFCI outlet doesn't work after reconnecting

I reconnected my GFCI outlet but now it doesn't output electricity even though the current coming in tests positive (with a pen like current testing device). I also pressed the reset button, to no ...
1
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1answer
53 views

get power from a common

I have a four way switch. I pigtailed two wires with the source power wire. One pigtailed wire is connected to the common screw terminal for power to the four way switch which is a three screw ...