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

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8
votes
1answer
447 views

How should I install a signal cable duct from new home office to a wiring closet?

I'm constructing a new home office and rather than having fixed cables from the (existing) wiring closet, I want to have the flexibility to add/remove/change cables in future, so I've been looking at ...
8
votes
7answers
15k views

How can I get a shock from a circuit when the breaker is off?

While I was replacing an old outlet, I received a shock from something in the box. I think it was the metal box itself. Before I started, I performed the following to ensure the power was out: ...
7
votes
6answers
1k views

Nice looking on-wall wiring

I need to run some standard AC wiring for wall lights etc. in the living room and some telephone/broadband wiring too. The problem is I can't do it in-wall for various reasons. The only option I am ...
7
votes
2answers
865 views

Is a negative reading from a non-contact voltage detector sufficient?

I'm a beginner at doing electrical work, and I want to make sure I'm not taking unnecessary risks. Let's say that I'm preparing to work on some wiring. I have a non-contact voltage detector that ...
7
votes
2answers
7k views

What gauge speaker wire do I need?

I am looking to run some speaker cable through my unfinished basement. I will need 35 ft long cables for a couple of Technics SB-A10 speakers. What gauge of cable will I need? How is the gauge ...
6
votes
3answers
1k views

Is it okay to run a switched and unswitched hot on the same neutral?

I have a room where I need to toggle the lights by a switch and the outlets in the room to not be affected by the switch. As they are on the same circuit, am I able to run a 3 wire cable from the ...
6
votes
1answer
545 views

Is it reasonable to create a 30amp branch circuit for the purpose of feeding the panel from a generator?

I recently purchased an 8kW generator (Briggs and Stratton). It has a 4-wire twist lock outlet that can handle 30 amps. Suppose I were to: Run a 10/3 NM cable from the panel in the basement out to ...
6
votes
2answers
1k 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 ...
6
votes
4answers
22k views

Will an existing 10-3 w/ground electrical wire handle a 50 amp 220 volt welder?

I am wondering if my current electric service wiring can handle a welder. The welder documentation recommends a 50 amp breaker on a 220 v line. Currently I have a 60 amp breaker on a 220 line going ...
5
votes
3answers
241 views

Can I use metal masonry device (switch) boxes in a stud wall?

I am installing new wiring and need to place 5 lighting switches in one location (yes, I understand the problems/issues of confusion, etc.). These will all be 3-way switches, non-dimmable. I plan on ...
5
votes
4answers
618 views

What is the proper 'per code' method for running nonmetallic sheathed cable above a ceiling in the attic?

Can the wiring be run over the top of the ceiling joist, or must it be run through bored holes when running perpendicular to the joists? This is a non-habitable space, will have an attic entrance ...
5
votes
2answers
6k views

Can I wire a refrigerator and dishwasher on the same circuit?

Can I wire a refrigerator and dishwasher on the same 20 amp circuit?
5
votes
1answer
5k views

What type of wire should I run when updating a ceiling fan?

I started to change out my ceiling fan and noticed the support brace is actually laying on the drywall and not firmly attached to a beam. I also noticed the new fan has a blue wire where the wiring in ...
5
votes
1answer
931 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 ...
5
votes
3answers
6k views

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side?

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side? If those non-GFCI downstream outlets were not fed from the GFCI ...
5
votes
5answers
34k views

Can different gauge wiring be used in the same circuit?

I am extending a lighting and outlet circuit in a basement. The current setup has the following characteristics 15 amp. circuit breaker (200 amp service) 4 existing lighting fixtures using CFL bulbs ...
5
votes
2answers
7k 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 ...
5
votes
2answers
1k 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: ...
5
votes
1answer
15k views

Is it ok to wire light switches and lights with 12/2 cable?

It sounds like light switches and lights are usually wired with 14/2 cable. Is it okay to use 12/2 cable instead? Would I need special switches?
4
votes
3answers
1k 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 ...
4
votes
1answer
244 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
1answer
1k 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 ...
4
votes
3answers
4k 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
4answers
6k views

What is the proper wiring for a NEMA 14-30 240v receptacle?

We moved into a resale home, the previous owners had a Gas Dryer, we have an Electric. The laundry room has a NEMA 14-30 receptacle installed. I hooked up our brand new dryer and it didn't get power. ...
3
votes
1answer
107 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
3answers
8k views

How do I wire a GFCI receptacle using two black wires and two white wires?

I recently purchased an older home and wanted to install GFCI outlets in the kitchen. When I opened up the outlet, there were four wires (two black and two white) in addition to the ground. I ...
3
votes
2answers
1k 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
2answers
61k views

How should I connect the ground wire for my light fixture?

I am replacing a light fixture in my bathroom and have the following setup: The electrical box is plastic The wire coming from supply has black (hot), white (neutral) and copper (ground). The light ...
3
votes
3answers
7k views

How to use network patch panel in new house

I just moved in to a townhouse built in 2007 with a seemingly nice CAT5 and coaxial cabling. In fact, I found a patch panel in the closet! I opened it and found this: I also noticed some ...
3
votes
1answer
1k 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
2answers
817 views

Term to describe two circuits run through one /3 cable

For example, I have a 12/3 cable in which the red and black wires are controlled via separate breakers. The 12/3 drops into a single-gang outlet, out of which runs a 12/2 to another room. Is there a ...
3
votes
3answers
2k views

Borescope recommendations (features)

I'd love to get a borescope, but I've never used one. Should I try to find a place to rent one first(does such a place even exist?), or should I bite the bullet and buy one. What features should I ...
2
votes
1answer
90 views

Installing Coax & Cat6 in 2-Gang with Electrical?

Using a 2-gang box, can I install a (1) outlet, (2) coax, and (3) Cat-6 line without code or interference issues? I have an existing 1-gang box with electrical that I am running the coax and cat-6 ...
2
votes
2answers
137 views

What options are there to achieve both grounding/ground-fault and arc-fault protection on old 2-wire circuits?

The three receptacle circuits in my house are 2-wire NM, but have 3-prong receptacles. My electrician recommended and installed GFCI breakers to provide "grounding" to these circuits. I now realize ...
2
votes
2answers
616 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 ...
2
votes
1answer
129 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
2k 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
1answer
5k views

How do I know if a ceiling fan with light and the switch are wired correctly?

There was a old ceiling fan with light and remote in a bedroom of my house that didn't work. It also had a switch with 2 knobs that pushed in and turned labeled motor control and 300 w perm instld ...
2
votes
1answer
550 views

Ground Wire Installation

Currently I do not have ground in my house wiring. I am planing to install ground wiring but the floor around the main service panel is cemented and I don't think I can place a ground rod in the ...
2
votes
1answer
407 views

Can I upgrade my garage to 20amp service without a headache?

I have an unfinished garage which I am looking to upgrade the service to. Currently it is 15amps running through some difficult to access sub-ground conduit, but if I run the band saw plus the ...
2
votes
1answer
3k views

How can I convert two recessed lights on a single pole switch to two separate lights with light controls?

I have a bedroom with two recessed can lights operating from one wall switch. I would like to add a ceiling fan/light to one of the outlets and convert the other to a track light with its own light ...
2
votes
2answers
2k 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 ...
2
votes
1answer
4k views

Potterton EP3000 -> Horstmann C27 boiler programmer wiring

I'm in the UK, using an ancient tempermental Potterton EP3000 boiler programmer, but I have a brand new Horstmann C27 which I'd like to replace it with. Apart from the mains supply, there are three ...
2
votes
2answers
187 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 ...
1
vote
1answer
71 views

Does the NEC limit the maximum size of junction boxes?

In this question, the OP has constructed a large junction box out of several extension boxes attached to a "regular" junction box: Is there any upper limit on the size of a junction box (either ...
1
vote
2answers
243 views

Wires barely fit in gang box, is this okay? If not, where to get deeper boxes?

What to do when the wires barely fit in the box? We got them to fit with a lot of fusing, but I'm not sure if that's okay or not. Lots of smushing down and the outlet covers don't fit flush on some. ...
1
vote
1answer
92 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
1
vote
1answer
6k views

How should I wire a ceiling fan remote where two switches are used to control the fixture?

I have 2 wall switches. 4 wires coming out of ceiling (black-hot, red-hot, white-common, bare- ground), a ceiling fan and a remote. How do I wire them and still be able to use wall switches? I can ...
1
vote
3answers
15k views

Adding a C wire to a new Honeywell WIfi Thermostat

I am trying to install a new Honeywell touchscreen WIFI thermostat and need to add a C wire to my terminal inside the furnace (using the help found at How can I add a "C" wire to my ...
1
vote
2answers
4k views

What size breaker and wire do I need to run 2 GFCI receptacles and a flood light on exterior of my house?

Is it OK to use a 15amp breaker and a 14ga wire (14/2 copper) to run 2 GFCI receptacles and a flood light on the exterior of my home? The voltage is 120. The 2 receptacles are rated at 15amps and ...