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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19k views

How can I fix chewed through wires?

I have two standard two prong wall plugs my puppy has chewed through completely, and he managed to sink his teeth into a laptop cord as well. I'm thinking the wall plugs are history (a lamp and a ...
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2answers
14k views

How do I replace a single pole light switch with a programmable timer switch?

We have a light switch box containing three single pole switches (no ground terminal) in the foyer near the front door. I would like to replace the light switch controlling the porch lights with the ...
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3answers
7k views

How is pre-wiring done for motion sensors / alarm system in new construction?

In new construction, how is pre-wiring done for alarm systems, when then alarm may not be installed right away (or ever)? It makes sense to me to actually install recessed door contacts (they're only ...
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1answer
415 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
8k views

What should I do if the AFCI breaker neutral pigtail is too short?

I am wiring a house that I built, and code says I need an AFCI for the bedroom circuit. The panel that I will be installing this AFCI breaker in is a subpanel, so my ground/neutrals are on 2 ...
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3answers
13k views

2 prong to 3 prong outlet help

I don't know too much about replacing outlets, only what I've read online or through YouTube videos. The house was built in the early 50s. Some outlets have been replaced (brand new kitchen) but some ...
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3answers
14k views

Can I connect to any neutral wire in the house?

I have a Belkin Wemo switch that requires a neutral wire for installation. There is no neutral in the switch box. However, there is a neutral in the electrical outlet box below it, and a path from the ...
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1answer
1k views

What should I do with the white wire when wiring a 240 volt garage heater?

I was given a 240 volt garage heater from a friend. When I built my garage I had the electrician run a wire so I could put a heater in down the road. He ran a orange wire with 4 wires in it black red ...
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1answer
2k views

Can service entrance and branch circuit cables be commingled in an auxiliary gutter?

One of the major Code defects in my current house that I want to rectify at some point is the fact that the (only) panelboard is mounted too high up on the wall (the current panelboard's service ...
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1answer
3k views

Should a generator transfer switch have continuity between all contacts in the “Gen” position?

I am finishing up installing my generator transfer switch today and I think I have a wiring problem... I have a six circuit transfer switch wired in with a power inlet box outside. Everything is ...
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4answers
1k views

Can I wire a dimmer in series with another dimmer?

I recently installed eight recessed LED fixtures and one hanging fixture in my living room. The hanging fixture has three small LED flood/spot lights to illuminate built in shelving on the stone ...
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3answers
981 views

Can I use (share) a 120 leg of the 240 with the neutral to a 120 duplex receptacle in the same box coming off the 240 circuit breaker?

I have a 240 volt 20 amp receptacle in 4x4 box. There is a neutral wire not being used in the box. Can I use (share) a 120 leg of the 240 with the neutral to a 120 duplex receptacle in the same box ...
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1answer
6k views

Is it against NEC to reverse NM cable clamps?

Is the following installation method for NM cable clamps prohibited by the NEC for receptacle outlets? Note: I know it would be more functional and less awkward to screw in the NM clamps had I used ...
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2answers
221 views

choices besides UF-B wet damp location not inside conduit

I have a situation where 2" PVC provides a conduit from basement to attic via outside of the house. As such if that classifies as a wet or damp location and NM-B wire cannot be used in that section ...
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1answer
1k views

Sharing neutral between branches

Legal? Safe? I don't see a problem with this as long as neutral uses a gauge high enough to support both branches. Am I missing something here? EDIT: Here's an illustration:
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2answers
3k views

Can I connect a combination heater/fan unit to the existing bathroom wiring?

I have a dedicated 15A circuit for a top-floor bathroom fan with heat lamps which draws much less than capacity. There is nothing else on this circuit. I know that code for a 15A 14ga circuit at 80% ...
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2answers
22k views

wiring a oven with 4 wires to home service with 3 wires

My new oven has 4 wires and my old oven had 4 wires but my home service only has 3. I found that the old oven had the white wire connected to the ground should i do the same hook up?
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2answers
4k views

Can I use a 50 amp GFCI breaker on 15 amp circuit?

I am in the process of changing my hottub over to wood heat. I have eliminated all controls and am running the pump directly from the panel on a double 15 amp breaker (240 volts). I have my existing ...
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1answer
3k views

Can I use a polarized cord and plug to rewire a non-polarized clock?

I have a clock that has a pretty corroded plug. The clock plug is not polarized. You can plug it in any which way. I also have a spare electric cord that is wired with a polarized plug. I'd like to ...
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3answers
3k views

Ground wire from the junction box

Background: I am a regular DIYer just starting out. My question is regarding the ground wire while installing a chandelier. I have just moved to a new location in Ontario, Canada. The house was built ...
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2answers
3k views

Should I be able to run some 1.5" PVC chase conduits from attic to basement next to a cold air return?

I have a new home I just moved in to and rather than having them put this stuff in ahead of time (silly me) I'm now trying to do it now. Here is my situation... I live in a 2 story home with a ...
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1answer
741 views

Timer for house ventilation switch - high/low voltage wiring

I have a home ventilation switch that I would like to wire a timer to. This switch is located in my upstairs hallway, and when flipped it turns on the furnace fan blower and the main bathroom exhaust ...
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1answer
4k views

Should the tester start flickering when I touch my chandelier's top wiring cover?

(First time quiestion here, so correct me if something's wrong) I recently installed a lamp on the ceiling (a metallic chandelier). Two wires connected to the ceiling (one phase and one "zero"). The ...
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2answers
1k views

Can I use an unused wire as a “C” wire?

I just bought a new thermostat that is Wi-Fi enabled and it requires connection to a "C" wire. The old thermostat does not have one running to it, but there are other unused wires. The thermostat ...
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1answer
72k views

Converting 4 wire supply to 3 wire outlet

I have a 4 wire supply wire. It has a black, white, red and ground wire. I want to supply a 3 wire outlet. Do I combine the white and ground wire?
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2answers
138 views

Are utility lights with an outlet recommended or are there good reasons not to use them?

This question is related to my other question where I am actually installing a light figure w/ outlet in a utility closet: What is the correct way to wire a utility light with an outlet?. But while I ...
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7answers
9k views

wire nut alternative

I added onto my home and had to wire it myself (except the breaker box) to save money. I have a number of connections inside plastic boxes in the attic where I used wire nuts to connect 3 to 5 14 ...
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1answer
14k views

How does National Electrical Code section 300.4 (D) apply in this situation?

Saw a picture of an example of code NEC 300.4 (D) where a furring strip was used and a wire was run parallel to the furring strip. Per the code, the wire was 1 1/4" away from the nearest edge of the ...
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2answers
4k views

Can I piggyback a thermostat with a C Wire hookup on a furnace?

I'm trying to install a new thermostat that needs a C wire hookup. There are currently 4 wires running from the thermostat to the furnace, none of them are a c wire. When I look at my furnace itself ...
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1answer
1k views

Can I drill through joists?

My dad just bought a house and let me move in. He's home once every three months so its practically my house. I just have to take care of it. What I want to do is have my internet closet on the ...
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1answer
530 views

My question is, is this a possible/valid way to add a “hidden” outlet for outside IP camera?

So I basically wanted to do what the OP wanted to do here... However, I wasn't sure if one needed to actually cut thru the siding and add a new gang box + receptacle/outlet in order to plug in the ...
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1answer
6k views

How can I install a regular light fixture where a ceiling fan used to be?

Removed an old ceiling fan. There was one wall switch that only controlled the lights. The fan portion could be on regardless of wall switch position (by pullchain on the unit). I'm left with two ...
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3answers
462 views

How do I safely extend electrical wiring without replacing it entirely?

I'm in the process of replacing a light fixture with a ceiling fan. I replaced the old mount with a pan ceiling support box. The wiring is old (1920s) and inside armored cable coming through the stud. ...
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2answers
51 views

How should large, stranded ground conductors be connected to metal junction boxes?

Say I have a #6/3 cable being spliced in a metal junction box. How would the (presumably stranded #8) ground wire be connected to the box?
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2answers
195 views

Can someone explain this wiring configuration to me?

See my previous question for more detail on my household's bizarre wiring. Three of my bedrooms have dimmer switches connected to outlets and ceiling fans, which is electrically unsafe and just ...
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2answers
74 views

Trying to replace a standard outlet with a GFCI, but found 1 white wire unused and a different white wire used in its place. What am I missing?

The current setup shows a switch that controls a ceiling fan. There is another switch (not pictured) that also controls the ceiling fan. Both switches also control power to the outlet shown in the ...
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3answers
1k views

How do you properly connect 3 x solid 2.5mm wires to a 4mm stranded wire?

I have a single 4mm stranded wire I want to connect to 3 x 2.5mm solid wires. At the moment I've simply wound them around each other temporarily and sealed with electrical tape - but how is it done ...
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3answers
301 views

Can I pull a new single conductor alongside an existing 14/2 wire for a fan+light install?

In my bathroom, I have a 2-gang switch box. One switch controls the light bar above the sink, and one controls the fan. I have a new fan, which includes a light. I want to wire the light on the fan to ...
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1answer
331 views

Could you explain this ceiling light wiring?

I'm changing an old pendant light into a ceiling light, but I have some difficulty in understanding the current wiring. It is controlled by 2 switches. I've checked typical rose wiring diagram, but it ...
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2answers
766 views

Replacing an electrical cord

I was given a couch recently, and it has electric components to recline and perform other functions. We moved this 200+ pound couch down a flight of stairs, across a city, and up 2 more flights of ...
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1answer
2k views

Can I have a 120 volt branch off a 120/240 volt circuit?

So I'm wiring up my woodshop and I've got a question about branching a 120 volt circuit off a 240 circuit. I'm running 12/3 for this circuit coming of a 20 amp 2 pole breaker. The thought for this ...
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1answer
875 views

Metal junction box shows 5V relative to ground when circuit powered. Why?

I have a small, octagonal junction box in my basement with one 2-wire-no-ground cable going in and a standard porcelain lightbulb fixture attached to the bottom. In the process of investigating an ...
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3answers
5k views

Integrating hard-wired smoke detectors with fire sprinkler waterflow sensing

If you are in a house with interconnected smoke detectors (hardwired or hardwired/battery combo), can you interconnect them with the waterflow switch for a home fire sprinkler system, or do you need ...
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2answers
95 views

How should I get the service entrance cable to my new adjacent panel location?

How do I have to run the SER cables from the original hole(where the SER cable goes through the wall) to the side of the new panel? Can SER cable be exposed or needs to be inside a conduit? Conduit ...
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1answer
70k views

3-Way Light Switch, two blacks and a red?

Usual story of remodeling etc. Replaced all the other 4 ways and 3 ways near it just fine, then I run into this guy. It's a 3-way, and I could have sworn I put all the wires exactly where they were on ...
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2answers
473 views

Can I use the wiring for a range hood for a new outlet?

I took the stove hood down to remodel kitchen. I capped off the wires, but I would like to some some kind of outlet in the wall using these wires. Is this possible?
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2answers
939 views

How can I protect a hose and wire in a high-traffic area?

It's about 20' from my RV to the water supply and electric receptacle. This is a high-traffic area, and having foot (and car!) traffic on the hose and wire seem like a bad idea. Ideally, I'd run ...
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1answer
346 views

Can I change an outlet circuit to 240V (NEMA 6)?

I'm in an American house sitting in a jurisdiction that applies NEC 2014 unaltered. I've got a home office room with all the outlets on one 20A circuit. It is legal to 2014 code in all respects. Who ...
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2answers
3k views

Wire two 14-50 outlets to 50 amp breaker

Was wondering can I add two 14-50 outlets to one 50 amp breaker using 6/3 wire and connecting with wire nuts? Also, recommend PVC or liquid tight flex conduit? Will be in the garage. I want to add ...
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1answer
1k views

Sizing grounding conductor for multiple circuits in conduit

If I have two sets of conductors (two unbalanced 120V circuits) in a conduit, can they share a ground wire and if so, is the ground wire sized by the minimum ground wire sizes for the sum of the ...