Questions tagged [wiring]

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

Filter by
Sorted by
Tagged with
6
votes
2answers
3k views

White PVC pipe for electrical wiring

I am running about 20 feet of 8 AWG 4 wires through 3/4 inch PVC piping for a electrical power generator (transfer switch to L14-30 outlet). Wanted to know, codes aside, if it is fine to use white ...
6
votes
2answers
24k views

Can I split the direct wire to dishwasher to handle a garbage disposal as well?

I've just plumbed in a new garbage disposal unit under my sink. The plumbing appears to be fine - nothing is leaking so far. Now I need to wire it in. It's next to a dishwasher, but the dish-washer ...
6
votes
1answer
4k views

How can I plug my 3 prong dryer into a 4 prong receptacle?

My dryer blew up and there is no chance of repair — it was pretty old anyway. I found a used dryer and brought it home. Unfortunately, the cord don't match the receptacle. I Need to know if ...
6
votes
3answers
3k views

Cloth-covered NM questions

My 50s era ranch home is wired using cloth-covered NM, as you can see in these photos (taken in a basement closet located under the stairwell where the NM is run exposed): Should I be suspicious of ...
6
votes
2answers
5k views

Is there a name for a duplex outlet that takes eight wires, plus ground?

In my home (built around 1970), I found a bizarre outlet when replacing the dated old ones. The front is your standard duplex, but on the back there are holes for 8 wires (4 hot, 4 neutral) plus the ...
5
votes
7answers
11k views

Can multiple 2-way occupancy motion sensor switches be used together?

Can multiple 2-way occupancy (AKA motion) sensor switches be used together? For the top and bottom of a staircase, I want the lights to be on if either switch senses motion and the lights stay on ...
5
votes
2answers
3k views

Inspector says that split bolts shouldn't be used on live connections. Right or wrong?

I installed a spa sub-panel on the exterior of my house. The inside wiring is NM-B 6AWG wire that goes to a junction box where it's spliced to 6AWG direct bury rated wire (the NM-B wire I had wasn't ...
5
votes
3answers
471 views

What's wrong with this wiring?

Something is wrong with the wiring in my shed, I think. I'm pretty sure that it's been wrong since the previous occupants lived here, and maybe even earlier than that. When I moved in there was clear ...
5
votes
2answers
11k views

Can I connect two load lines to a GFCI receptacle?

I just bought a leviton GFCI and the instructions say if there are two load lines in the box, do not connect the GFCI in that box. I can't understand why this is a problem, especially since the ...
5
votes
1answer
2k views

How do I wire a switch/receptacle combination?

Here's my current situation. I've got 14/2 to the ceiling. The hot wire has a runner, which runs down to the switch, and the other wire is a switched hot, back to the light. The other side of the ...
5
votes
4answers
6k views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
5
votes
2answers
6k views

Is it safe to install a sconce light box inside a return air space?

In my finished basement, the space between one section of studs is being used as a return air duct for my furnace and central air. Here is a picture, looking up from the vent at the floor level: On ...
4
votes
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 ...
4
votes
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 ...
4
votes
7answers
10k 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 ...
4
votes
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 ...
4
votes
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 ...
4
votes
4answers
20k 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 ...
4
votes
1answer
422 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 ...
4
votes
3answers
8k 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 ...
4
votes
2answers
15k 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 ...
3
votes
2answers
139 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 ...
3
votes
1answer
541 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 ...
3
votes
1answer
75k 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?
3
votes
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 ...
3
votes
1answer
787 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 ...
3
votes
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 ...
3
votes
2answers
23k 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?
3
votes
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 ...
3
votes
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 ...
3
votes
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 ...
3
votes
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 ...
3
votes
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 ...
3
votes
2answers
271 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 ...
3
votes
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 ...
3
votes
3answers
1k 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 ...
3
votes
2answers
240 views

Can I run NM wire through this type of flex legally

This flex is sold along other types of NM wire molding, but I can't find anywhere where this product explicitly allows NM or not.
3
votes
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% ...
3
votes
1answer
7k 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 ...
3
votes
1answer
2k 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:
3
votes
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 ...
3
votes
1answer
3k 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 ...
3
votes
4answers
2k 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 ...
3
votes
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 ...
3
votes
3answers
11k views

Cat 5/6 in same conduit as power: is NM-B required, or is THHN acceptable?

Preface: I'd like to avoid the question of whether one should run data and power together; my question is focused on Code compliance. I'm trying to ensure I interpret Code correctly when running Cat ...
2
votes
2answers
7k views

Does UF wire allow direct burial or require conduit?

I'm working with 6-3 UF-B wire in a wet location (under a deck). Does this wire need to be in conduit or buried? In other words, can the wire be exposed to the elements as is under the deck? If there ...
2
votes
2answers
856 views

GfCI trips in bathroom

Hi I have a bathroom gfci which is connected to the lights , fan and receptacles in bathroom , bedroom and landing . It's about a 45 year old house . Without protecting the circuits in the bedroom how ...
2
votes
1answer
5k views

What is the proper way to wire a light switch,fan switch and receptacle in one box?

I would like to see a wiring diagram on how to wire two switches and a receptacle in one box with a single line feed, three wires.
2
votes
2answers
813 views

One specific light fixture seems to be killing my LED bulbs

I have all LED bulbs in my house, the nice CREE models that look like this. They've all been great, except for the ones I put in my bathroom's four-bulb fixture. One by one, all the bulbs in this ...
2
votes
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 ...