Questions tagged [electrical]

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 it is also highly recommended.

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109 views

LIghts flickering across multiple circuits

I've found multiple questions that are similar to mine, but not quite the same. I have multiple LED lights that occasionally flicker (maybe a few times an hour, for about 15 seconds). Not like a "...
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61 views

Generator Connection

I picked up a used 10kva (45a) Generac unit and want to get it connected thru the transfer switch. Just looking for some feedback on how to get it connected. I was going to use 1" schedule 40 ...
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81 views

3 Wire SE Feeder 4 Wire Appliance

I have a 50 amp circuit wired with 6 Gauge AA-8000 Aluminum SE wire from the panel that goes to my oven/microwave combo, and then continues on to my cooktop. Both the oven/microwave combo as well as ...
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USA: What is a code compliant method of running 12/2 through wood ledger board and into outside junction box?

I need to run one circuit of 12/2 from the basement (ranch house) up to the attic and then outside via the ledger board of the roof over my deck. Should I screw a short nipple into the back of the ...
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51 views

Order of operations for getting electrical service turned on in Philadelphia

Let me start by saying I appreciate any information. Hopefully, Philly is not all that different from anywhere else, but Ideally Philadelphia specific info would be preferred. I'm remodeling a ...
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302 views

Bending radius for NM cable through stud

From what I understand from the NEC, bending radius for an NM cable must be at least 5x the diameter of the cable bundle (“romex”). But how do you calculate this in a real life scenario. Is the ...
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281 views

Switch-controlled outlet is always hot

I did NOT change any outlets, just the single pole switch that controlled the top plug of the outlets, and a 3 way switch in the same box that had no control over the outlets. I have a single pole ...
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70 views

How do I manage grounding when installing a metal extension on a plastic box?

I've been repairing an outlet that's not supposed to be recessed, but is, so I purchased a box extension from the local hardware store. When I tried to put it in, I realized it interferes with the ...
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54 views

Need help on error code for a solar power inverter

I have a solar array with 2 Sunpower/Sunnyboy inverters model SPR-6000m. One of the inverters has an error that from the manual (see pic) is "Inverter Interference". The indicator lights that blink ...
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0answers
179 views

Low Voltage wiring and Rough-In Inspection

Does anyone have experience, guidance, tips on what is required for LV wiring at rough-in inspection? I have run a number of speaker wires, coax, ethernet (CL2/CL3) but they do not all terminate in a ...
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288 views

Fried switches, light fixtures, or wire?

In an attempt to fix a wiring problem from five years ago, I made a huge error. Here's the scenario: Box 1: Has switch #1 in a four-way set up (it's a 3-way switch) and is where the power comes in. ...
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878 views

Water Heater not getting 240v?

My water heater stopped working a few days ago and I've been trouble shooting it ever since. I found water in the connection receptacle. the leak from the the Air Conditioning unit above it has been ...
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72 views

Breaker trips when both switches on circuit are on

I've got a ceiling fan/light wired to a double switch (like this: https://www.homedepot.com/p/Leviton-15-Amp-Combination-Double-Switch-White-R62-05224-2WS/202027008) The source is at the switch and ...
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456 views

200Amp Panel upgrade, Flush panel to Surface mount

I'm looking to get my house panel upgraded from a 100 amp FPE firestarter panel to new Square D Panel. The panel I want to use is surface mount and the one built into the house in the 1970's is flush ...
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1k views

Sub panel and ground rod installation: “high differential potential between the ground locations”

We have a dock (fixed-pier) that is about 40 feet from the house, and +100 feet from the main panel. 4-wire (2 hots, 1 grounded neutral, and 1 ground) run to a large junction box at the start of the ...
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2answers
3k views

Why my baseboard heater won’t turn with new thermostat?

I have a pair of electromod basement heater. The label on each of them show them show 750/1000W. Power supply to this is 240V I am trying to replace the old manual thermostat with a progrmabale one. ...
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3answers
6k views

How to replace a light fixture that has a 3-way light switch

Box] I have a light fixture above a stairwell. There are two live switches that control it, one at the bottom of the stairs, one at the top. The wiring is relatively new about 25 years old (all copper,...
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1answer
4k views

LiftMaster garage opener will not erase memory

Moved into a new home a couple months ago. Car was broken into on my driveway a week ago, and one of my garage door openers was stolen (along with some other things). The problem is that the opener ...
3
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1answer
908 views

Changing switch to dimmer (UK)

Right in the middle of this job and realised I don't know what I'm doing. I'm in the UK. I currently have a Crabtree switch (which I believe is called a single gang two way switch) on a light on my ...
3
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1answer
3k views

what could cause my gfci to randomly trip?

I'm in the process of finishing my basement, and am almost done with the electrical rough-in. The whole thing is open studs at this time, so any sort of reconfiguration is easily possible. I have a ...
3
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1answer
430 views

How do I troubleshoot a newly installed non-working outlet?

I recently spent several frustrating hours trying to figure out why an outlet on a new branch circuit would not power a load even though there was proper polarity at the outlet, my non-contact voltage ...
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0answers
45 views

Question about an outbuilding circuit breaker box

I have a house with an outbuilding that has its own apartment and shop in it. Right now all electricity flows through the meter on the main house. There is also a meter for the outbuilding that I want ...
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0answers
44 views

Metal Running Horizontally Through Center of 2x4 Bracing?

I am trying to drill a wider hole through horizontal bracing in our wall in order to run some low voltage wire. Using a flexible installer bit, am able to get about 1/2 way through what I think is a ...
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0answers
176 views

240v reading on a 120v outlet

I just got back from visiting the house I am moving into in two weeks. I was checking out the electrical circuits in the garage to see how I will be able to run my woodworking tools. I did not get ...
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52 views

Are these aluminium crimps? Are they safe?

Or should i change to alumiconns?
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92 views

Need help identifying this old style fuse box

I’m in the middle of replacing this 30 amp fuse box, but I’m not sure if this is that safest way to just replace with the same fuse box or if they even make it to this day.to be honest it looks over ...
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0answers
37 views

How do i wire this 2 switches light switch?

This light switch was failing for a while and I removed it from the wall so I could see what the problem was. After inspecting it, I realized that it was a bad connection on the wires in the light ...
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0answers
33 views

Home Heater Ignition Failure

My house’s heater uses a hot surface ignitor. The ignitor won’t come on. All I hear is the motor running and no attempt at ignition. A professional checked it out and said electronics are good. This ...
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0answers
92 views

Circuit Breakers Tripping When Power Restored After Outage

We just finished construction of a new home in Washington State. We've had several minor power outages in the couple of months that we've lived here - a few seconds to 10 or 20 minutes. After a few ...
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57 views

New circuit and towel warmers for two bathrooms

I am planning to add a new dedicated circuit (15A) for two hard wired towel warmers in two bathrooms, each towel warmer is 150w. See image for my thoughts. For the first bathroom: run the new circuit ...
2
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1answer
80 views

Why is my circuit breaker occasionally tripping on its own, and then not tripping under the same load?

One of my circuit breakers (20 Amps) handles about 10 light switches in my house and nothing else. For the last couple months or so, it trips about once a week, but never in response to turning an ...
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0answers
66 views

Is this a sign of arcing / fire / Bad Stuff?

Opened up a wall to plan some changes to electrical outlet locations, and found what looks to be charring on one of the cables. It was stuck to the paper facing of the insulation. House is 20 years ...
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86 views

How do electrical permits work in New Jersey?

I recently installed recessed lights in my 2nd floor condominium. Later, I was told by friend that I need permit to do that. My questions are: Can I take permit now and have inspector inspect my work ...
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1answer
96 views

Can I branch off my main service, just past the meter base?

Can you branch off your main electrical service line to 3 beaker panels? 1 for the house, 1 for a shed and 1 for a shop. The house has a 200 amp breaker panel, the shed now has a sub panel powered ...
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91 views

How do I add a Leviton dimmer switch in this circuit?

I'm trying to add in a dimmer switch where I have two 3 way switches and one 4 way. I've included a schematic of what I have. How do I make this work? One difference is the 2 wire out of light to the ...
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50 views

Wireway or pull-box size for 2" conduit and 1/0 wire

I need to figure out what size box to mount in the corner where the wall meets the ceiling (actually, a soffit) inside my garage. I'm going to have one 2" conduit entering from the top, carrying ...
2
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0answers
71 views

Dead kitchen outlets

I have 6 dead daisy chained outlets in the kitchen. Continuity test were good on the receptacles so it’s a wiring issue (no wire nuts seen in #1 to #5 electrical boxes). Resetting 6 GFCIs did not ...
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0answers
143 views

How to feed wire to a 400 Amp meter base?

I'm in WA. PoCo is Mason PUD #1. AHJ is WA L&I. I'm wiring up a https://www.homedepot.com/p/Milbank-400-Amp-4-Terminal-Ring-Type-Link-Bypass-Overhead-Meter-Socket-R3548-X/202504185. I'm feeding 2 @...
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0answers
36 views

Faults/current leak in an ungrounded electric setup (connected to a grounded setup)

I'm troubleshooting the wiring from our neighbor's house. His electric setup is ungrounded. Our house, pending an "official" installation, gets its electricity via a ~30M cable (3x1.5mm2) ...
2
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1answer
121 views

How should an unused knob and tube run be terminated?

What are the safe and compliant options for terminating an unused knob and tube branch? In this instance, insulation will be applied, so the fixtures and receptacles previously on this circuit have ...
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0answers
66 views

No power to entire circuit after adding a single receptacle

I was just adding a receptacle to one of my electric circuits. Once completed, I turned the circuit breaker “on”. No power on any of the receptacles and lights on that circuit. I checked every ...
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0answers
183 views

What could have happened to the two traveler wires in previously working three way light?

The high-hat lights (retrofitted with LEDs) in kitchen stopped working. They were controlled by two three-way light switches, one a dimmer. I played around with different configurations of the ...
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0answers
128 views

Identifying cause of floating ground

I noticed that the ground prong of the only 5-15 receptacle in my laundry room appears to be floating. Findings: The ground wire behind the receptacle measures 0 ohm (i.e. continuous) with the ...
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0answers
42 views

Is it unsafe that these outdoor switches are on a lighting circuit?

I am in the process of replacing these two outdoor switches with one double gang unit. Reason being that between the two existing units I can see non-weatherproof wiring connecting them together. (Not ...
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0answers
86 views

Fix overhead electrical connection to outbuilding for NEC 2020

I have a problem like Best way to make wiring to outbuilding legal. Unfortunately, the answers there weren't specific enough to tell me how to solve my problems. I have an outbuilding that is 3' away ...
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0answers
32 views

Wiring a fan and light in bathroom with separate switches

I would like to put switches on my light and fan in the bathroom. At present there are 2 isolators. The light one is fine--it has a twin and earth to the light so I guess that's straight forward to ...
2
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0answers
68 views

Can I install a 240v heater/air wall unit in my garage with the existing panel and wiring?

The unit says 230/208v model. It has a 20amp plug on it. 1st question My garage panel was put in 30+ years ago. It is fed from house panel with 12 gauge wire with 2 hots. Is that too weak to add a ...
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0answers
17 views

Changing toggle switch (4 wires) to Caseta dimmer switch (3 wires)

I am changing a toggle switch 4 wires (including ground) to Caseta Dimmer 3 wires (Including ground). How do I attach the wires, please?
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0answers
32 views

what is the proper connection method for wire to wire connection for outdoor ground bonding

I'm putting an above ground pool in the backyard and code requires that I bury a #8 gauge wire 4-6" all around the perimeter. Then it is to be attached to the metal pool frame at 4 equidistant ...
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197 views

Can i connect my solar system to the ground wire of a grid outlet?

I have solar panels on the roof (ungrounded) and an ATS to switch between solar (ungrounded) and grid power. (grounded) EDIT : Sorry, my question wasn't clear enough, I'm talking about AC. My ...

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