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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15 views

Ceiling fan light fixture circuit breaks after power applied

Our ceiling fan light fixtures clicks and stops providing power to the bulbs after about 30 seconds, regardless of whether the chain switch is passing power to the bulbs or not. It has a separate ...
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1answer
23 views

60 amp sub panel to external garage from house - overhead drop wire type

First time running overhead drop from home to unattached garage, main panel more than able to support service... need 60' to 70' run. I am familiar with NEC but not a professional. I have done home ...
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1answer
55 views

ELECTRICAL problem with stove

Have Fridgidaire stove, says on back 3 wire AC only. Recently I moved, outlet for stove is 4 wire, I changed plug from 3 wire to 4 wire plug. Seems everything works fine, problem is with display ...
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2answers
112 views

Can I use "Southwire E51583" AWG 8 wire on 50amp breaker?

This question is two fold: I have a PrimeWeld 225x TIG welder and it calls for a 50amp/220v breaker and NEMA 6-50P. I need to run 60 feet from NEMA 6-50P to breaker box (I have 200amp service). ...
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1answer
88 views

Main circuit breaker tripping randomly with virtually no load on the circuit

I have recently bought a house and it came with this panel (from what I could gather, it was renewed sometime in the past 10 years): Today, I changed a light switch and afterwards I had the main ...
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1answer
74 views

Using an 8a 240v dust collector on circuit with 50a breaker

The prior owner of the shop had, I believe, outlets for welding equipment which were 50 amp 240v outlets with old NEMA 10-50 outlets. But, he was forward thinking enough to have a ground wire behind ...
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1answer
79 views

Any advantage to running a direct line from receptacle rather than a downstream line?

I'm upgrading 2 outlets in a house built in 1950 (no ground wire); the junction box is in the attic, and currently the line runs from it down into a light switch outlet, and there's a downstream line ...
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1answer
1k views

Home Electricity - What kind of outlet box is this

Scenario One of the 110v outlet boxes in our home had a "sagging" faceplate. It turned out that the screws for the plate didn't have a traditional threads to screw into. Upon further ...
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1answer
42 views

Combine and split cable signals?

There are two cable signals entering the house - Spectrum's ISP+landline signal and a digital TV antenna signal. For now they are routed to two different locations. The Spectrum signal provides ...
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8answers
6k views

LED Light bulbs burning out much sooner than expected

My family at my house use EcoSmart LED lightbulbs that are rated for 9W, and the box says they are replacements for 60W incandescent bulbs. It says have a "long life". However, upon ...
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2answers
135 views

How to prevent electrical appliances from exploding

I've been reading news lately that AC or fridge explodes sometimes and causes fire and death. What are the other household electrical appliances that explodes ? How may I prevent this ? Is there any ...
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3answers
81 views

How to protect electric appliances from high or low voltage or short circuit or any other electricity related thing

I have so many electric appliances installed at my home(India). I have been recently reading in newspapers that some electric appliance are getting affected due to voltage or short circuit issues. I ...
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1answer
176 views

Running NM cable in attic across rafters

I'm adding a couple of outlets mounted to the underside of the rafters in our attic but I'm not totally sure how to actually run the wire for the circuit through the attic. We've got lots of permitted/...
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3answers
48 views

Hydronic boiler sharing 20A circuit

I would like to connect my hydronic boiler to a 20A circuit already loaded by a microwave and a range hood. The label on the boiler says it draws LESS THAN 12A. Does this run a risk of overloading ...
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1answer
34 views

Hydronic boiler electrical connection

Every hydronic boiler (for radiators) I've seen had a direct wire electrical connection into an adjacent box, meaning disconnection requires electrical work. I would like to my new boiler more ...
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1answer
46 views

should my 4 prong electric range outlet circuit effect a 15 amp. GFI kitchen lighting breaker?

should my 4 prong electric range outlet circuit effect a 15 amp. GFI kitchen lighting breaker? I am a 2009 retired electrician and the codes may have changed but I have not ever heard of this type of ...
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1answer
58 views

Why is top switch dependent on the other switch position in my double light switch?

I am the new(ish) owner of a home where the top switch of a double light switch must be on for the bottom to work. This is problematic because they are for outdoor floodlights and we need one to ...
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1answer
2k views

Looking for some guidance on knob and tube

I have recently moved into a 1920s apartment in Chicago. My landlord has only owned the building for a few years and does not know the details of the electrical system. I have some electrical devices ...
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1answer
69 views

Connecting a detached building to 30 amp plug

I have a detached building that I want to move in the near future (after my house is done). Can I wire it to a 30 amp plug like an RV would do that way it is still mobile? More specifically is it ...
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2answers
560 views

What is an acceptable way to ground receptacles branched off of an old 2-wire electrical circuit?

I have a house built in the '50s, and some of the runs are done with what appear to be original 12/2 cloth-sheathed wire without a grounding conductor (just hot and neutral). I'm looking to install ...
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2answers
75 views

Some lights suddenly stopped working

I come home to my wife and kids telling me that suddenly, basement, living room, and hallway ceiling lights stopped working. I try flicking switches on and off and nothing. Here is some information: ...
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1answer
50 views

Why don't my lights work after a loose wire tripped the circuit?

While replacing a LED recessed light, I received a shock and the circuit breaker popped. The black wire coming out of the housing had come out of the connector. I found it stuck to the plastic trim of ...
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1answer
61 views

Does NM romex in conduit as a damage shield <24" long need to meet the <40% fill requirement?

There is an existing ~20"-long 1/2" EMT conduit run through a concrete floor between floors (old work). It would be convenient to run NM through the existing conduit instead of switching ...
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1answer
70 views

USB outlet wiring with three wire in and only spots for two

I want to install a usb outlet in place of a regular one. The old outlet has 3 black and three white wires. I believe one wire is power in and two are power out, one to another outlet in the same room ...
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2answers
60 views

Outside Outlet on Trailer, Wired from Inside in Conduit

I'm putting a duplex outlet on the outside of my enclosed cargo trailer and need to run wire to it from the inside using PVC conduit. I found this for the outside cover, which I think is pretty nice: ...
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1answer
37 views

Help with wiring ceiling light

I recently removed a ceiling light to paint our kitchen, and like a dummy forgot to take a picture or which wire from the light fixture was attached to which wires coming out of the ceiling. In this ...
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2answers
54 views

NEMA 5-15 on 6awg wire

I have an outlet with a 14-50 recepticle in it.I want to add a 5-15 to the box on the same circuit. I've done this before with a 14-30 and 5-15 on 10awg without issue. Since I now have 6age wire, what'...
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1answer
4k views

Why is there only one receptacle in this outlet?

This looks like an outlet with only one receptacle, but why? It's mounted about 7' up, in a basement-level room in a school building. It is stamped 15A/125V, but I've never seen something like this ...
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1answer
121 views

Building a Shear Wall containing an Electrical Panel: Having my cake and eating it too

We have a 1951 open-framed garage attached to the house with 2x4 wall construction on 16" centers. The wall between the garage and living has 1/2" drywall on the inside wall, but nothing on ...
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1answer
70 views

Comments on this electric panel? [closed]

This is a panel in a room built off my garage. The 220-V calbe on the left is the feed, and there are three or four 120-V cables coming out, as well as at least one more 220-V coming out. It looks to ...
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2answers
53 views

Where should neutrals be bonded with a main panel and two sub-panels? [duplicate]

I added a recording studio to my home. The electrician brought main feed with master breaker into new studio breaker box. The existing home breaker box was made a sub-panel fed from the studio main ...
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1answer
63 views

Are there LED lights that can work with a fluorescent ballast? [closed]

Are there LED (retrofit) lights that are compatible with a 120V 14W fluorescent ballast? Or does the ballast always have to be removed?
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2answers
141 views

Subpanel and grounding for solar shed to off-grid cabin

I am building a purpose-built shed that will support solar panels and contain all of the solar equipment such as charge controller, batteries, inverter etc. All of this is off-grid. An A/C feeder ...
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3answers
115 views

Is This Two-Phase Outlet Wired Correctly?

My company builds electrical systems that are sold around the world. When our building was being built, we requested that the electricians put a 240V drop in the lab area with a L6-30R receptacle, ...
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1answer
46 views

Device trips GFCI on one outlet, but when plugged into a different GFCI it works

Ok, I have a 120v fuel pump on a diesel transfer tank, that when plugged in to a particular GFCI outlet it trips the GFCI as soon as I turn it on. But it I get a 20' extension cord and plug it in to a ...
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3answers
134 views

I want to add a subpanel that is supplied by multiple hots

Overview: I have an existing woodshop space located in a rented commercial building that I share with other businesses. My shop is currently supplied by 2 subpanels (total 10 circuits) that are ...
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1answer
34 views

3 black wires, 2 white wires for wiring up a new switch?

I'm looking to install a Leviton Decora smart dimmer, 2nd gen to replace a switch in my master bedroom. I unscrewed my current switch from the wall and found the following set up - 3 black wires, 2 ...
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2answers
604 views

Is there a problem with using a dual function breaker when a CAFCI would suffice?

I am upgrading a handful of breakers - a couple of circuits with lighting need CAFCI and two with outlets need GFCI (I am going with dual function breakers rather than GFCI outlets). I have two ...
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1answer
78 views

CAFI Breaker Randomly Trips

I have a new CAFI breaker in a Square D Sub-Panel (older panel - T5 Series, 24 slots, but new installation of breakers and wires due to renovation work, whole cottage re-wired). I did the rough and ...
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1answer
36 views

Installing two smart Alexa powered switches

I am installing two new smart Eaton WFSW15-C2 smart switches. I have a new house, so it has the neutral wires required for a switch that requires the four wires. The two I am replacing are standard ...
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1answer
229 views

Does my home have a main breaker? If not, is this something that could be added?

My house was built in 1998, it has one electrical panel inside of the house. This panel has a blank spot which says “Main”, but no breaker is installed here. Outside the house attached to the power ...
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7answers
4k views

Light switch on concrete wall

My house came with a light switch installed on a concrete wall in the basement using a metal conduit, and a 1-gang metal box. Unfortunately, the light switch plate sticks out and it's easy to get ...
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2answers
84 views

Is it safe to remove plug fuses without cutting power first?

My house has an old fuse box instead of a breaker box. If I need to cut power to a room can I just remove that specific fuse from the box temporarily or should I cut all power to that box? It'd be ...
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2answers
30 views

Is 125 F too warm for an electronic fluorescent light ballast?

After 25 years, A ballast burned out and I replaced it: It lights 2,75 watt, T12, 8 ft, single pin tubes. After I replaced it , I left the cover off the fixture and let run 2 hours to make sure it ...
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1answer
102 views

Where is my neutral wire for smart switch

I installed 3 smart switches on one side of our entry by connecting each to the white bundle of neutral wires at the back of the box. Pretty simple and they all work fine. There are 3 more switches I ...
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1answer
55 views

Can you feed power into a breaker of a loadcenter that has no dedicated main breaker, or must you use the main bus lugs?

For example: If a loadcenter has main lugs but no dedicated main, can I add a breaker and feed it to light up the bus and then add additional breakers for down-stream circuits? The idea is to have an ...
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2answers
582 views

Does my house have a grounding problem?

I've been looking at how my house is grounded because I want to install an antenna outside for amateur radio. After poking around, I'm suspicious something isn't right. I think I'm probably going to ...
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0answers
27 views

Splitting 4 lights on one switch into 2 lights each on own switch

Currently have 1 switch that controls 4 lights (2 recessed lights on our front porch and 2 lights next to the garage). I want to put the 2 garage lights on their own switch. How do I do this?
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2answers
71 views

Direct Burial high voltage lines in path of where I need to put fence posts

Along the side of my property are high voltage direct bury electrical lines, I haven't uncovered them but before you dig service marked 3 red paint lines right down my property along the border. I ...
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1answer
74 views

Is this the correct action to fix a "smart" switch whose neutral and ground wires are tied together?

I went to replace a GE 15086 Timer switch with a Leviton DH15S. The box it's going into contains 2 of the 15086 switches and one mechanical single pole switch. When I opened it up, I saw only black (...

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