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Questions tagged [wiring]

The installation of wire and/or electrical devices, to allow the transmission of electricity from one point to another.

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0answers
17 views

Can I connect circuits for a dishwasher and sink disposal unit to the same breaker?

Can the garbage disposal and dishwasher, each with its own GFCI receptacle, share the same 20 amp circuit at the main electrical panel?
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1answer
64 views

Wiring 50A RV receptacle to 120V service

I will be installing temporary wiring for an RV which has a NEMA 14-50 plug. The RV does not actually need 240v, it just splits the load between two 120v legs. I want to use a 30A 120V circuit ...
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3answers
92 views

Where do I find 4-4-4-6 direct bury copper cable? [on hold]

Installing a 100 amp subpanel approximately 160 feet from my main panel to a new garage. 4-4-4-6 copper I understand will be more than sufficient for a 240v/60 amp load at the subpanel and have less ...
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3answers
2k views

3 prong range outlet

I wired a 3 prong range outlet using 8/2 wire. I had a black insulated, white insulated, and a bare single strand copper wire. In the outlet I wired the black wire to one hot side and the white wire ...
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2answers
909 views

Swapping L15-30 with L21-30

I have some plugs in my warehouse that have L15-30 receptacles. Inside the boxes are four wires: Orange, Black, Red, and Green. I would like to swap one to an L21-30 receptacle. It looks like the main ...
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0answers
44 views

Attaching cable to attic rafters [duplicate]

I am running approx 40' of cable thru the unfinished attic in order to install two additional receptacles in the kitchen. The easiest and least obtrusive way for me to do this is to attach 1x3 or 2x4 ...
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4answers
9k views

While drilling into kitchen wall, hit a wire - any advice?

While fixing the extractor hood yesterday, I accidently hit a wire when drilling and exposed the copper. The wires are too tight to get some kind of a box in there and putting an electrical tape may ...
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2answers
37 views

Wiring from basement main panel to garage

I have a couple questions concerning a garage wiring project I have coming up. Here is the situation, I have a 200-amp main panel in my basement. I am building a detached garage behind my house and ...
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2answers
3k views

3-way switch not working properly

I have a 3 way switch at the top of the stairs and one at the bottom that control the lights in the stairway/hall way. The problem that I have is that you can only turn the lights on from the same ...
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3answers
79 views

Neutral and ground connected to one bus bar in subpanel; should I change?

At my house, there is a subpanel that serves a pool area, served by one 30 amp 240v circuit. The panel, which I think was installed about 30 years ago, has just one bus bar that the neutrals and ...
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1answer
23 views

Replacing a light switch that has 2 red wires and 1 black- one red was on the screw the other red was back stabbing the same portion

I am replacing a light switch that had 2 red wires(one connected to screw and one backstabbing) and the one black was backstabbing the upper part of the switch. I understand I should use the screw to ...
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2answers
1k views

adding new power outlet, ceiling fan/switch kills the power to it when on

I'm adding a new power outlet for some electronics. I'm dropping a 12/2 wire from the attic where I'm attaching it to a junction box. The junction box has an existing wire, 12/2, and a 14/2 wire ...
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1answer
53 views

How do I wire my 4 way switch?

At the bottom is the stairs is the first 3 way switch in this circuit - it doesn’t need to be messed with because it was never changed and works good. Then go up the stairs a little where a 4 way ...
3
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2answers
9k views

Why does my GFCI receptacle trip when I connect the load wires?

I was trying to install a GFCI outlet and when I install it with the five wire setup with the line on top and load on bottom, the outlet continually trips. I made sure which wire was the hot-line and ...
3
votes
3answers
857 views

How many wires should be in a new thermostat cable?

When roughing in thermostat wire, how many pair wire would you use to cover most thermostats? I'm asking because keep seeing questions about C wire and wifi.
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0answers
18 views

Where to install C wire?

I need to run new thermostat wire since I don't have a C wire to power my smart thermostat, but need some guidance on where to hook it up. I have five wires at my thermostat, two going back to my ...
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3answers
73 views

Wiring Pool Subpanel for Pump and Receptacles

The project is to wire a sub-panel and three pool circuits. My 400A main panels (2) are about 35' away, and I don't have room inside the basement to mount the sub panel inside. I plan to use an ...
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0answers
39 views

Wiring from house to garage

What size wire 125’ to garage,will have 50 amp welding machine and led lights only use at the same time.Plan to use underground cable.
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2answers
47 views

Should I have paid attention to polarity when installing a new light fixture?

I just installed a pull chain fixture in a closet. The light works but I paid no attention to black wire to brass screw or white wire to silver. Of course when I am tossing the box I see the ...
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votes
3answers
498 views

Requirement for splicing neutrals in a switch

I am going to install 4 LED downlights on a 3-way switch. My plan is to do panel-switch-switch-lights... similar to this image I will be using THHN inside conduit from panel to first switch, and ...
0
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1answer
47 views

Wiring question for detached room

Would it be possible to power the detached room from the breaker box with two 30 amp breakers to the room with UF 10-2 wiring underground from the breaker box and then landed into the junction box at ...
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2answers
53 views

Bathroom light fixture above sink and ceiling fan/light combo wiring issue

Hey so I'm having an issue hooking up a bathroom light fixture above the sink with a bathroom ceiling fan/light combo. 1) for the light fixture above sink: coming out of the wall there appears to be ...
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1answer
60 views

3way wiring with timer AND a dimmer

I'm using an intermatic ST01 to feed the dimmer, since I don't have a neutral in the far box, and I'm told not to feed dimmed input to a timer. From there is where I'm having a problem, using a ...
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1answer
43 views

Need help with wiring of in-line ventilation fan

I've got this fan to install as part of a heat transfer system. The fan is controlled by a touch-screen thermostat/control unit and has three speeds. I understand the supplied wiring diagram, but I'm ...
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1answer
46 views

Possible ceiling fan failure

Just purchased a 1940 home with mostly 2 conductor cloth wiring installed. The ceiling fan (reversible w/light) in the bedroom wasn't working so I checked and discovered that it had been disconnected ...
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1answer
47 views

Remove switch that controls thermostat

I recently bought a condominium in a large building, built in 2005. It has a single thermostat, and the thermostat works fine. But right next to the thermostat, there is a switch. It looks like an ...
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1answer
99 views

How should I connect a ceiling fan with four 12/2 cables coming in?

I had a detached garage built. The guy who ran the electrical is not available and I am having some trouble with how he ran the wiring for two ceiling fans in the loft area. There is one switch (...
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5answers
18k views

240 volt house wiring, 130 volts on one leg and 112 volts on the other?

In my folks old farm house, at the panels main input from outside. L1 is 130v. L2 is 112v. When a load is applied both legs down voltage, allot! Anywhere from 10 to 20v. The wires running from the ...
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2answers
78 views

Looking to replace light switches - 2x blue, 2x black wires

I'm looking to replace a light switch. Upon opening up the switch, I'm greeted with this: I would like to replace with this: For context, this is a commercial in-conduit wiring. I want to replace my ...
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1answer
57 views

Proper repair of a burnt conductor in a main panel

What are compliant methods of repairing conductors with damaged insulation? Screw to conductor contact discovered when turning power back on after remodel. An irrigation company punched a screw ...
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2answers
153 views

Brand new oven won't heat

On Wednesday we had new appliances delivered to the house. The installation was included in the purchase price so I let the retailer (not a big box but a well known and regarded local appliance shop) ...
9
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4answers
2k views

Is it safe to use two single-pole breakers for a 240 V circuit?

I recently had an electrician come out and replace my electric panel. He seemed very knowledgeable and overall appears to have done a good job, even went through and labelled most of the panel... ...
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0answers
45 views

Why do I measure 12VAC on old thermostat wires?

I'm installing a nest thermostat in my house - it's the UK version with a heatlink. I have successfully wired the heat link into my combi-boiler, disconnecting two existing wires in the process. I ...
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2answers
269 views

Need help with electrical wiring for lights

I disconnected my basement light wire by accident. In my spare room upstairs I had no light. I had this wall switch which controlled the receptacle instead. I decided to install a ceiling light using ...
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1answer
129 views

Two hot wires in switch junction box

I have a switch on the wall that doesn't seem to do anything. I decided to investigate by pulling the switch out and to my surprise, it was a 3-way switch with only two connections (black and white ...
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2answers
43 views

What is the first step in fitting a switch to existing wiring?

Below is an image of cables previously connected to a double light switch at a building in the UK. The occupant wanted to know why there was an additional white cable and how to go about fitting a new ...
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1answer
472 views

Help with 2 Dimmer Switches and bad wiring

Two dimmers in one "box", each going to a separate room. One set of lights started to flicker, so I figured I needed to replace the switch. I've done dimmers before. But when I opened the box, whoever ...
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1answer
68 views

Unswitched to switched outlet?

I recently replaced a switched outlet with a new receptacle. I was sure to wire it exactly as the old one. I also made sure to break the tab between the side screws where the red and black wires ...
4
votes
1answer
412 views

How can I bore a hole through a framing member, without causing a lot of damage to the wall covering?

I am putting in a new thermostat. I cut a 1" hole in the wall at about eye level. I have an endoscopic camera and i see that at about 3 feet off the floor there is a wooden board that runs parallel to ...
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3answers
968 views

Are the 3 wires found in standard NM-B electrical cable functionally identical?

NM-B 14/2 cable (used for indoor residential electrical wiring) contains 3 wires: The cable contains: (1) copper wire with black sheathing (to act as the hot wire) (1) bare copper wire with no ...
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2answers
42 views

wire gauge for dual driven appliance (solar inverter)

I've been thinking about the #8 wire between a sub-panel, on a 50 amp breaker, and a 10kw solar inverter. Between the 50 amp breaker and inside the inverter, in the event of a fault, the wires ...
3
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3answers
315 views

Exposed wire in ceiling light

Was changing the two dead light bulbs and a piece fell off than noticed the wire became exposed. Is this something I can fix as a diy and how dangerous to use the light.
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3answers
73 views

reuse hot tub wiring for an EVSE?

I need to install a 240V 40A circuit into my garage. The end goal is to plug in a level 2 EVSE. (maybe it can be a 50A circuit? not sure). I have an existing 50A GFCI breaker hooked up to 6 gauge 3 ...
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1answer
22 views

Replacing bathroom exhaust fan

Old fixture: combination fan and light New fixture: fan only New fixture wiring: 1 white, 1 black, 1 green Existing wiring: 1 white, 1 black, 1 bare copper, 1 red Wall switch: red & black ...
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2answers
47 views

Where Should the Sub Panel Go? What Size Wire?

Been lurking for awhile getting ready to install a 60 amp sub-panel for my back yard. I have everything I need figured out except for three important items as I get conflicting stories depending on ...
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1answer
64 views

Wiring a new shop advice

I am having a new shop built on Friday.The shop is located 250 feet from my power meter. For a 240 volt 100 amp service in the shop, the online calculator says I need 2/0 AWG Aluminum or 1AWG copper....
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1answer
54 views

Connect Two sets of 5 meter RGB Lights

I bought two of this RGB led Strips of 5 meters and would like to connect them together. Is is possible to do this with the power supply i have or would i need something stronger or maybe an amplifier?...
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1answer
1k views

Replacing 3-Way Light Switch with 4 wires

I'm trying to replace an older style 3-way switch with a newer one. When I pulled the older one out, the wires weren't clamped down very well and 3 of the 4 (yes, 4) wires popped out of place before I ...
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0answers
33 views

Wiring up my shop at home

I am wanting to install a 100 amp breaker in my panel box outside my house to wire a shop about 250’ away from my house. What gauge wire do I need to use?