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. Posting photographs of wiring junctions or drawing a wiring diagram and posting ...

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32 views

What is the proper way to solder two different gauge stranded wires?

How does one properly solder a 10 AWG copper stranded wire with an 18 AWG copper stranded wire. There are plenty of tutorials on how to solder same gauge wire, but what is the recommended way to ...
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0answers
44 views

Type AC cable — why is it still made/used?

Old-style armored cable (Type AC) is still made and widely distributed. Why is this, given that type MC cable is more versatile (more conductor configurations, more Code-permitted applications) than ...
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2answers
34 views

Brand new 3-way lamps not working correctly

Ok so I'm at my wits end on this...I've bought two different 3-way lamps this week. Both are not cycling correctly through the three brightness settings. The first lamp was 'Better Homes' brand from ...
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1answer
26 views

Need help wiring new dimmer

I'm trying to wire a new Legrand Adorne Softap dimmer without any luck. It's replacing a Legrand Adorne paddle dimmer which uses the HOT and 1-POLE connections on the back of the dimmer. The new ...
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1answer
18 views

Installation of pendant lite

In our new home the ceiling is wired for a pendant light, but the electrician did not install the light. Having some experience from helping my late electrician father, I have installed several wall ...
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2answers
18 views

Re: 240V electric furnance - what is Dual Supply Circuit Vs. Single Supply

I am having a Intertherm 012H 240v electric furnace installed. The installer asked me which wiring system would i prefer. The manual offers a choice: A.) Single @ 51.2 total amperes with a max over-...
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1answer
18 views

Intermitten (shuts off randomly) power to one leg (hot) wire in sub panel

This is an apartment complex. The service panel has two rings, or meters, and 2 Murray 2-pole 50 amp breakers. The service panel is about 25 to 35 years old. Each 2-pole 50 amp breaker services a ...
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1answer
99 views

Powerboard overload switch melted

We came home last night to find one of our powerboards (outlet strips) had melted/caught fire. Pretty scary! Now I'm not 100% sure on what happened but I believe that there was an oil column ...
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1answer
28 views

Ground rod for detached sub panel

My contractor sunk a length of rebar in the footing of my shop to be used as ground rod for the sub panel. I'm not sure but I suspect its just a 10 ft. length of rebar, and isn't tied into the rest ...
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2answers
31 views

Electrical wiring question for instant water heater

I am installing a point of use Chronomite SR-20L/240 HTR 240-Volt 20-Amp SR Series Instant-Flow Low Flow Tankless Water Heater. https://www.amazon.com/Chronomite-SR-20L-240-HTR-Instant-Flow/dp/...
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3answers
37 views

Wiring second breaker panel

I have a 100 amp service running from meter base to new garage, that's completely wired. Now, I'm going to run from garage to new house under construction. I want to use another one hundred amp ...
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2answers
27 views

How to wire this dimmer switch

My metal wall box has line, load, and neutral wires, which I've identified. My understanding: Line goes to black on the switch. Load goes to red on the switch. Where do I attach the green (...
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2answers
27 views

Can I install a sprinkler system timer underground?

I have a 4-zone sprinkler system. I had a construction crew at my house, and it appears they cut 1 of the 5 wires before pouring new concrete on top. Therefore, only 3 of the 4 sprinkler zones work. ...
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2answers
317 views

Breaker lets more Amps then its max

The last few day's I had the main breaker triped a few times, I checked the amps with a multimeter and when the central air conditioner turns on it draws 150! amps for 1 second and then goes down to ...
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0answers
28 views

What size wiring and what type breaker should I use for wiring an above ground pool?

I'm installing an 18'X33'X52" above ground pool. I need to run two circuits from my panel to the pool. The run will be approximately 300' with about 75' buried. What size wiring and what type ...
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2answers
25 views

Unused red fan wire

We replaced a fan that required the three wires, white, black and red with one that is controlled by a remote and only uses the white and black wires. My question…since there’s a light switch that ...
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0answers
29 views

New GFCI plug but no power?

Installed new 15A GFCI wall plug. Green light is on but no power is available. What do I do?
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3answers
70 views

3 way dimmer on 4 way circuit

I have a 4 way circuit with 6 total switches light switches. One is a dimmer switch. The other 5 switches only work properly when the dimmer switch is on. If the dimmer switch is off the other toggle ...
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2answers
78 views

3 way switch issue

I am trying to figure out how to install a 3-way switch. Unfortunately, I did not took any pictures of the previous 3-way switch installment, I thought this would be easy but after I bought the new ...
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1answer
36 views

i have a 220v well pump is it ac or dc that i should set my tester on when it goes out

I have a 220 well pump that has stopped working . I bought a digital multi tester to check it but I don't know if I need to check ac or DC
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1answer
61 views

Recessed Light Placement

Im a DIYrs when it homes to simple home remodelling. Am doing a kitchen upgrade all around. Bought this house and lot of stuff has gone wrong, so on, not going into much details. Only thing now is ...
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2answers
54 views

220V/50hz with 10amp 3 wire

See Additional Added Info: I have an electric motor that I want to plug in at my house (USA). The device is 220V, 50hz and 600watt. The power cord (no plug) is 3 wires, and rated as 10amp. If I ...
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1answer
38 views

How to extend wiring for extra high current sockets/appliances in Utility room

In our basement we have a metal double socket which I believe is wired directly into the Consumer Unit. We currently have these plugged in. fridge (750W, 4A max) washing machine (2400W, 11A max) ...
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4answers
2k views

How to predict when the electrical infrastructure on my 1950s rental is going throw a breaker?

I live in an old house; it has old electrical infrastructure. Last night it was really hot, and we were running an external dishwasher on the same circuit as the TV and a fan and a ceiling fan. Only ...
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1answer
48 views

Is clearance to an electrical panel required to the sides?

Per the NEC there is 36" clearance needed by a circuit panel. Is that 36" clearance just in front of panel, or is 36" clearance mandatory on the left / right and in front?
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1answer
54 views

electrical problem, how to find power

I have a dead wire in ceiling box. I've looked at all boxes in walls around the area and found no problems. Breakers are good. How can I trace that wire and find where it is tied into? I don't have ...
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0answers
23 views

Electrical Meter?

How do I determine if my electric meter will accommodate an older 2 BR mobile home (already on the meter & I think is a 50 amp) and an additional small RV with 30 amp ?? OR what would I need to ...
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1answer
18 views

wiring a motion light from a switch

I have power from an outlet, to a light, then to a switch. I want to wire my motion light into the switch for constant power. I have a red/black wire on the switch and a black/white wire on the ...
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0answers
30 views

Electric - turn one light on dims another room

So we have a landing light at top of stairs that has a switch at bottom of the stairs and one at the top. When this light is switched on we can't turn the bedroom light on. However if we switch ...
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1answer
33 views

how much can i have on a 20 amp breaker?

I have a 20 amp breaker, with two lights and a outlet in on it, (the outlet normally runs stereo equipment), can i add another outlet for a tv and a fan?
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3answers
75 views

Electrical wiring under deck

If I run electrical wiring under a deck, what conduit and strap material / grading do I need? It doesn't have to be the underground / metal materials, right? I like to build something similar to this ...
0
votes
2answers
48 views

How can I add a second light switch to a 3 gang box with 3 switches in it?

I want to add a switch to an existing light in the car port so it can be switched on and off at both ends of the car port. The existing switch to this light is in a 3 gang box connected to two ...
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4answers
58 views

Grounding Rod in basement?

I purchased an older house and when running some electronics i got a hum. Did some research and trial and error to figure out why What I came to realize its a ground problem in the old house. I have a ...
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1answer
23 views

Pilot light on switch comes on when light is off

First off I know the switch the works I plugged it into a different circuit where I have another one and the pilot light turned on when the switch was on. However when I have it installed in the ...
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1answer
19 views

The outlets power goes to ground when you plug something into it

I am having trouble with my outlets power going to ground from what my outlet tester is telling me. I have changed out all of the receipts on the circuit. And I double checked all of them again to ...
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1answer
20 views

HVAC thermostat current

What is the typical current (in mA) carried by the 24v thermostat HVAC wire bundle in a typical low voltage application? I'm using 18/7 wire.
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2answers
54 views

Using a receptacle tester

Bought a receptacle tester, most outlets are good, not sure how to read the outlets that have switches. Outlet 1: tester reads good, when I turn the switch off it reads open ground. Outlet 2: tester ...
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0answers
24 views

Can I use 12/3 to wire from new sub-panel to switch/recep combo to light! [closed]

I thought I would try this so that I'd have a true neutral if I ever needed one.
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1answer
30 views

Can I protect 3 branch circuits with a GFCI outlet?

I have 4 sets of wires coming into one outlet. 4 black 4 whites and 4 ground. 1 set is hot when power is on, all the rest are not. I need to switch the outlet to a gfi outlet. Is this even safe?
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1answer
32 views

Sockets burn out on light fixture

I have a ceiling fixture that uses three 40w candelabra-base bulbs. It was burning out bulbs frequently (about one per month). Over time, two sockets were not working (confirmed with a meter test) and ...
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2answers
35 views

Surge Protector shows 'L' & 'N' reverse and 'N' open

I just shifted to new house and I plugged in the surge protector that I use for my PC into one of the socket. The socket switch was off, Main circuit was on (main power). And the surge protector ...
3
votes
1answer
41 views

Is it necessary to ground a metal Knock Out Box used solely for POE Ethernet wire?

I'm running electrical conduit to metal knock out boxes throughout a new construction residential home. The knock out boxes are soley used for POE ethernet. Do the metal knock out boxes need grounded ...
3
votes
2answers
168 views

How can I install a light fixture when the junction box is partially blocked by a mirror?

I wanted to replace light fixture in my bathroom. When I removed the light fixture I noticed that electrical box was being slightly blocked by the wall mirror which is 10ft x 5ft. (see picture) Now ...
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3answers
56 views

What breaker configuration should I use for a 240v shed circuit?

A friend wants 240 and 120 in his shed. The beaker panel is in the garage about 40 feet away. It was suggested to run 4 individual wires--two for the 240 and one for ground and one for neutral. What ...
3
votes
2answers
50 views

Code on sub-panels

I am helping a customer finish a basement he started then couldn't finish. Him and a friend installed a sub panel on a two pole 40 amp breaker using 8 awg wire. There are 4 15 amp breakers and three ...
3
votes
1answer
46 views

Is 20 amp line needed for washer and gas powered dryer?

I pulled some really old and rigged-up shady wiring out of my laundry room and replaced it. It was a two-wire 15 amp line to a 15-amp breaker. On it were two GFI (possibly GFCI) outlets. One was ...
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3answers
61 views

Does a split neutral conform to the NEC?

I am a Building Inspector and recently have came across a question about splitting the neutral wire between the garbage disposal and the dishwasher. I am unable to locate this in the 2011 NEC. Does ...
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1answer
72 views

Radon abatement complete, but contractor used weird wiring?

We had a contractor do radon abatement, which involved adding a fan to pump air out from under the slab. They decided to power this fan by hard-wiring an extension cord. There is a disconnect switch ...
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0answers
44 views

Ceiling Fan with Light Install - Pre 1950's House

I'm trying to install a ceiling fan (with a separate light attachment) into a room in our house. The current wiring coming out of the house has two separate wires that have been twisted together and ...