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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195 views

How to identify the wires on the dimmer to convert it to Conventional on/off switch

I have a dimmer switch that I need to convert to a conventional on/off switch. I have checked this link for guidance already: How do I replace this dimmer switch to a conventional switch? It seems ...
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1answer
86 views

Code exception for not installing AFCI's in kitchen's?

I'm having an electrician replace my old Zinsco panel with a new Eaton panel. My understanding is that all the 120V 15A and 20A circuits for the house (no basements, garages etc) need to have AFCI or ...
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0answers
56 views

How to measure power usage on a 120V circuit that can go up to 20 Amps?

I want to measure the power coming out of a 120V outlet that can go up to 20 Amps. A standard household circuit is limited to 15 amps but this is a special situation where we're running our own ...
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1answer
49 views

Electrical plug at bathroom sink, can it be located in a cabinet next to bathroom sink?

To fulfill code requirements - can an electrical plug at bathroom sink be located in a cabinet next to sink
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2answers
104 views

Are the outlets grounded?

I was checking out the outlets in my house, that's when I discovered 1 outlet didn't have an ground wire attached to it. I looked inside the plastic junction box, I could see 2 ground wires twisted ...
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2answers
26 views

Placement of a package unit heat pump for my shop

I was wondering if I would benefit by locating my 3 ton package unit heat pump closer to the load center. The ducting would be my only interference with it closer to the load center. The unit would ...
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2answers
90 views

How many LED lights on this 15 amp breaker?

How many LED recessed lights per 15 amp breaker with 14 gauge 12/3 12/2 wire with 8 3 way dimmer switches and 1 single pole dimmer attached picture of 6” recessed led lights Also not sure what the ...
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2answers
65 views

Converting dryer from 3 to 4 prong cord but it doesn't have a grounding screw / wire

I'm trying to convert a recently purchased dryer from a three prong cord to a four prong cord to match my outlet. However, it doesn't have a green screw for the ground line. Where do I connect the ...
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0answers
62 views

120v breaker, 240v output

I am a pool service guy and a couple times i have stumbled across this, and always told the customer to contact a licensed electrician to resolve the situation. Breaker at the box that controls the ...
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2answers
51 views

Adding hot receptacle from current light switch power?

My current situation is power comes into light switch and then to receptacle controlled by light switch. I need to add a hot receptacle. I assume I can pig tail the incoming power wires inside the ...
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1answer
89 views

Can I connect 14 gauge wire to 12 gauge wire

I have an existing ceiling fan with no light that has 12/2 wire in box which is ran to a single switch that is also wired with 12/2. Want to change out fan with newer model that includes a light kit. ...
2
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1answer
44 views

Where does my C wire go in this splice connection?

I'm looking to install the Ecobee3 Lite thermostat. My current thermostat has a blue C wire running to it, so my understanding is the PEK doesn't help because that is used if you have no C wire. On ...
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3answers
77 views

Lowest height accepted for 30A Outdoor Fused Safety Switch for water well?

I'm getting a new well drilled and was trying to make everything as least noticeable as possible. According to the well driller I need a disconnect right by the well head, yet I see many home wells ...
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1answer
72 views

Wiring question - Swapping in GFCI breaker for my dryer

I got a GFCI 30amp breaker and will be putting it in for my dryer circuit. Just want to confirm I'll be wiring this correctly before actually going ahead with it. In the red circle is the white ...
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2answers
105 views

Can NM cable be installed in a junction box mounted to a floor joist in an unfinished area?

I understand that NM cable can be run along and through floor joists in unfinished areas of basements. However, can the NM cable then be installed in a box mounted on the joist, perhaps for a light ...
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2answers
1k views

How to make attic easier to traverse?

My attic is a maze of wires, air ducts and PVC water pipes. I went just one room over from the attic entrance and it took me a solid 30 minutes just to go there and back. Would it be unreasonable to ...
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1answer
58 views

Can I tap in to a interior wall outlet for outside [duplicate]

I want to tap in into a wall outlet that I don’t use and add a outside outside. I’m using it for a electric grill that requires 110 volt, 60hz, 275w, 5 amp service but I don’t know if I will overload ...
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1answer
58 views

Line to GRN or Neutral to GRN blowing my GFCI?

I just helped my friend change an outlet in the garage of a home he just moved into. The outlet was an old duplex that I replaced for a GFCI. The installation went fine, outlet tested properly and ...
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4answers
146 views

Automatically trip breaker in power outage

Is there a way to trip a breaker, or otherwise kill the connection to an appliance during a power outage that doesn't automatically turn back on when power is restored? Background: home in the north ...
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0answers
37 views

Round outdoor junction (not flush) to square

I have seen square to round adapters for junction boxes but not round to square. I have an outdoor mounted round junction box with a light that's mounted on the wall not in it. I want to convert it ...
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2answers
55 views

Stair Illumination: Location of light

Before I close this up, is this legit location for light at bottom of stairs? Yes, switch at top and bottom, and light at top as well. Through some quirk of symmetry, this can light (of 12 total), ...
8
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1answer
657 views

GFCI tripping on overload?

We called out the contractor who did our crawlspace encapsulation because the GFCI receptacle that serves the crawlspace loads (dehumidifier, sump pump, and two humidistat controlled fans) trips ...
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3answers
132 views

Any idea what this is?

We have this in the washer dryer area of our Mother-In-Law. When we moved in no washer dryer was present. I sort of suspect it's some sort of drain hookup because there is no drain. Does anyone know? ...
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2answers
51 views

electrical GFI replaced old plug

Old plug worked and light work. no breaker blown. Installed new GFI and nothing works. Isolated hot line, reset GFI and used only hot line in and GFI blows. Connected wires together to bypass ...
2
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4answers
356 views

In-Cabinet (sink base) electrical box - Metal or Plastic?

I'm planning on putting an electrical box in my sink base with a split outlet, one for the dishwasher, the other for the garbage disposal. I was thinking of running 12/3 MC from the wall gangbox (...
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1answer
22 views

Inalto Ceramic Cooktop Wiring

How do you hard wire an Inalto Ceramic Cooktop given the following connecting points:- L1, L2 on one side of the connecting plate and N1, N2 on the opposing side of the connecting plate, with a PE (...
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1answer
54 views

Can I install a subpanel on top of boards instead of of between studs?

I am installing/replacing a sub-panel in the basement of a split-level. The new panel is on an unfinished wall (drywall on opposite side, towards living-room, but no drywall on the basement side), but ...
2
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1answer
82 views

remedying ceiling fan horror-show

In the course of doing some other work, I came across this poor installation of a ceiling fan. This was done when my house was originally wired by "professional" electricians, and presumably ...
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1answer
113 views

Electrical Outlets not working after pressure-washing the house

I just had my house pressure washed and my power to my bathroom does not work. The breaker for my bathroom/outside receptacle did not trip. I replaced the outside outlet and the electric still didn't ...
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3answers
45 views

Do I need a 3 wire cable between light fixtures?

I am wiring up my unfinished basement for rough-in inspection. My understanding is that to wire 30 recessed lights (9w each), I can wire with regular 14/2, in the image below. However, my PS Knight ...
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1answer
45 views

Double-pole breaker connected to two receptacles/outlets on same column/post

We have a double-pole breaker that seemingly is connected to two outlets in the same column/post in a room. 3-Light tester reads all three lights, multimeter reads around 240 volts in each outlet. ...
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2answers
31 views

What's the difference between a NM clamp connector and a FMC clamp connector?

Is there a functional difference between these two connectors? https://www.homedepot.com/p/Halex-3-8-in-Non-Metallic-NM-Twin-Screw-Cable-Clamp-Connectors-5-Pack-20511/100133208?MERCH=REC-_-...
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2answers
35 views

Motion sensor switch doesn't fit in faceplate

I am trying to put a motion sensor switch in a surface mounted box as shown: However, the switch has a "plate" (where the "tabs" would be on a normal switch) that does not fit inside the faceplate as ...
3
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2answers
331 views

Must I upgrade this bathroom circuit from 15 amps to 20 amps?

I have long known that the electricians who originally wired my house did some questionable things, one of which is putting every GFCI-protected outlet in the whole house (besides the kitchen) on one ...
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1answer
56 views

GFCI Circuit Breaker 'Test' works, but doesn't trip with plug tester

I have a sub panel in my basement that has multiple GFCI circuit breakers. All the 'TEST' buttons work. However, when using a plug tester, they don't cause the breaker to 'Trip'. The tester was ...
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1answer
42 views

Help powering new light and switch off existing switch

I have a 4 season room with a new light. I ran a wire from this light to a 2-gang box in the room, and ran a romex wire from this new box to an existing box in the kitchen (they are on the opposite ...
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2answers
60 views

Why do the speeds of two ceiling fans vary on all speed settings?

I have two ceiling fans on one branch of a 20 amp circuit. One fan runs faster than the other on all three speeds. Could this more likely be due to a loose neutral or connection or a malfunction of ...
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3answers
135 views

can I convert four-wire 250 volt, 30 amp dryer to two 125 volt dual outlet receptacles?

Can I use the 10 gauge wires (red, black, white, ground)from 30 amp, 250 volt dryer receptacle for two 125 volt circuits for two separate duplex receptacles? Can I use stranded wire for jumpers, or ...
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1answer
141 views

Can I add an exterior outlet by tapping an adjacent interior outlet?

Can I tap in a outlet not being used that is behind a bed and add a outlet behind it outside? Using it for a electric bbq grill. The grill specs are: 110 volt, 60hz, 275w, 5 amp service.
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1answer
66 views

Does a cover exist for a 3.5 inch round electrical box?

I have a 3.5 inch round electrical box in the garage that is being used as a junction box. The inspector says that it has to be covered. However, I am unable to find a 3.5 inch pvc cover for this box. ...
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1answer
31 views

Rating for #2 Aluminum XLPE underground utility feed

The utility feed to my duplex with two 100A meters on it, is an underground cable in conduit. The main panel is 200A, but the utility feed is only 2 AWG Aluminum. The cable marking is: ALCAN 2 AWG ...
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2answers
78 views

Electrical: Wall Outlet Requirements

I am looking at the electrical code and see a couple things that read a bit... vague, or perhaps not quite easily interpreted. Any wall greater than 2' wide must have an outlet Does this mean ...
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1answer
44 views

How do I connect a single pole light switch with three 2-wire cables in box?

In a bedroom a “friend“ removed the light switch. I have no idea if it was a single or double. There are 3 cables coming into box with 3 wires each, black, white and copper. One of the black is ...
2
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1answer
112 views

Dryer power cord screws won't tighten

When I try to screw in the dryer power cord, the screws make contact with the square plate behind the contacts. The screws, however, will not screw in all the way and are leaving a gap which is ...
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1answer
45 views

Two TVs and two satellite TV receivers Blown in three months

My home has a good grounding using underground copper plates. In three months I lost two TVs (Phillips old tube type) and the satellite receiver boxes attached to each. Both TVs had the Audio/Video ...
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3answers
86 views

Connecting a Leviton 3-Way Dimmer Switch to new 3-Way Circuit

I have wired a new 3-way circuit in a bunk-house exactly as shown in the following diagram, with wire types and colors matching those in the diagram 100%: I have a 2-pack of Leviton 6674 Dimmers, ...
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2answers
79 views

GCFI “test” button will not cause a trip

Preface to OP: I am a dope. The reason the GFCI does not trip when I push the "test" button is because the GFCI has failed. That's the whole point of the "test" button. End of story. Read on ...
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1answer
44 views

Voltage drop for aluminum wire to detached garage

I have been trying to use the voltage drop calculators but it seems like they give a different answer than the last one. Distance from breaker box in the house to the sub panel in the detached garage ...
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1answer
37 views

Adding lights to a 3-way switched circuit

I currently have a circuit that goes like this: Panel -> 3-Way switch -> 3-Way switch -> light I have the wiring run through 2 additional boxes between the switches and I'd like to add ...
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2answers
54 views

Electrical wiring broken

I wanted to replace our under cabinet Halogen bulbs with LED. So I got the LED lights from Home Depot and when testing them from an electrical outlet, I accidentally had the two wires coming together ...