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

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4
votes
1answer
252 views

Is it OK to have a GFCI downstream of a standard circuit?

I would like to extend a standard electrical circuit to the outside with a GFCI outlet. Can I install a GFCI downstream? This would be easier than running a new circuit back to the breaker panel.
4
votes
3answers
270 views

What material to use to close a too wide wire tunnel?

During the cold days I noticed a little draft coming from the light switch next to my house door. Removing the switch revealed that the tunnel for the cables was widened to fit the cables for the ...
3
votes
2answers
670 views

Which is the bare wire in a 12-3 gauge cable?

What purpose does the bare wire in a 12-3 gauge cable serve?
1
vote
0answers
175 views

Can I convert my front intermediate light (with only 1 wire) to a junction box with live, neutral and ground wires?

I want to change my entire front light housing because it is old and uses an intermediate-base light bulb. The new one I have purchased has black, white and copper wires. The old one only has a wire ...
2
votes
1answer
9k views

How do I wire a 3 gang switch in my new bath?

I am putting a basement bath in and I need help. I will be adding a new 20 amp circuit for the single pole outlet. Also, a 20 amp line for a 3 switch box. Switch #1 is for the vanity light, #2 is for ...
4
votes
2answers
964 views

How should I ground two switches in a handy box that were previously ungrounded?

I am replacing two light switches in my bathroom. One controls the light above the sink and the other controls the fan in the ceiling. When I took the old switches out, I saw that the three neutrals ...
1
vote
2answers
197 views

Can CFL bulbs in a fixture with a dimmer switch damage old wiring?

Our wiring is not functioning now after using a CFL bulb in a dimmable light fixture. Is it possible that use of the CFL bulb could affect our old wiring? We may have to replace the wire leading to ...
0
votes
0answers
248 views

Why did my ceiling light fixture stop working after adding an outlet on the same circuit?

I recently added a receptacle for hanging my TV on the wall. To do it I fished a wire through the wall and attached wires to an existing receptacle that's at a lower level on the same wall. This is ...
1
vote
0answers
237 views

Where can I connect the ground wire when replacing my oven heating element?

My old heating element finally burned out and had to be replaced. That element is not made anymore, but an appliance store gave me the part # for a replacement that works for that oven. I took out ...
2
votes
2answers
439 views

How should I tidy up loose speaker wires?

I have surround sound speakers with the speaker wires going up through the wall. The wire is fixed and doesn't slide in and out the wall. Now it's time to tidy it up! How much loose wire should I ...
8
votes
3answers
4k views

Can I use two wire nuts instead of one to connect 6 wires inside a 3-gang box?

Is it considered acceptable practice to use two wirenuts in a situation where it is possible to use only one but may be easier to use two? I have a three-gang box with six cables coming into it. The ...
2
votes
1answer
355 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 ...
3
votes
2answers
2k views

Why am I getting 50V at a light when the switch is off?

I am trying to put in a switch and a light it controls in a storage building and this is how I wired it. Click for larger view When I checked the wiring it registered 120V when the switch was on, ...
1
vote
2answers
939 views

How does one typically do “Old Work” with metal junction boxes?

I am trying to add a light fixture to a room. I have access to the studs in the wall (new wall being added to the room), but the ceiling is drywalled. There is no attic access. Unfortunately, the ...
5
votes
2answers
1k views

How can I find an interior wall from the crawl space?

I want to run some component cables from one room to another by fishing down the wall into crawlspace and then back up the other wall. When I'm under the house there's no way to tell where the inside ...
4
votes
2answers
459 views

Is there any NEC code requirement for how far off the floor Category 5 wiring must be run?

I am currently running conduit for Cat5e cable in the home office I am finishing off. Are there any rules in the code for how far off the floor Category 5 wires in conduit must be run?
7
votes
2answers
400 views

Do I need junction boxes where conduit containing data cables terminates?

I'm going to be running 1" blue PVC conduit from all my low voltage boxes to a structured wiring panel. My wiring panel will chase to the attic where necessary and I was wondering what the best ...
1
vote
1answer
3k views

What is the minimum distance that should be maintained between parallel electric and data cables?

I need to run some electric and data (coaxial, UTP Cat5/6 and phone) wires from one room to the adjacent rooms. I've read Can I run CAT5/6 cables parallel to electrical cables? but I understand that ...
2
votes
2answers
3k views

Can I extend the ground/bus bar in a main service to accomodate subpanel equipment ground?

I am about to replace the main service breaker panel in my house. The old panel (a 200amp Siemens 40-circuit) had bus bars that extended the entire vertical length of the box. The new panel I would ...
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
688 views

There's a bunch of unshielded copper wire in a light switch - what is it and what does it do?

I was just replacing a faceplate, and noticed that there was a large amount of unshielded copper wire twisted together in the back of the light switch electrical box. The light switch box is a larger ...
1
vote
2answers
229 views

How do I extend existing 10/3 wiring to run a compressor that needs 12/2 wiring?

I am installing a new compressor in my garage. I already have 240V installed to run a kiln. The kiln is only used maybe 10 times a year. My thought is to splice into the 240V line to the kiln to run ...
1
vote
2answers
6k views

What is code for installing a dishwasher in the U.S.?

I will be replacing my dishwasher and I am curious what is the current code for the wiring of the dishwasher.
1
vote
3answers
244 views

How can I rewire this circuit?

In my basement, I am removing an existing fixture and planning on installing pot-lights. Previously when I have switched out a fixture, I generally find white + black + ground, which is pretty easy ...
4
votes
3answers
4k 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 ...
1
vote
4answers
6k views

How do I wire a GFCI combination light switch when power enters at the light?

I have a Leviton 7299-NW GFCI/switch combo The diagrams in a response to the question "How do I wire a GFCI/switch combo?" is helpful. But I want to see a diagram for a situation where the power ...
0
votes
1answer
350 views

How to trace mystery switches

Since I moved into my house last year there are a couple of wall switches that remain a mystery to me. I don't know what they do, if anything. What are my options for tracing these switches? I'm ...
0
votes
1answer
358 views

How can I get my thermostat C wire connected? [duplicate]

I have an older furnace, on the switch block I have Y,C.W,R and an unlabeled screw that connects to the shut off it looks like. I need to hook up a thermostat that needs the C wire. I have a spare ...
3
votes
1answer
499 views

Can I use my old service panel as a sub-panel when I install a new one?

The main panel in my building is 100 feet from the where the feed wire comes in from the outside meter. Can I install a new 200 amp panel where the feed line comes in and use the existing wire to feed ...
2
votes
2answers
2k 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 ...
4
votes
1answer
224 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 ...
1
vote
1answer
847 views

Can I steal a neutral wire from another circuit?

I have some Z-wave light switches that I want to install; below is a link to the diagram for the light switches. Basically I can have all the wiring completed minus the neutral wire for the switch at ...
0
votes
3answers
4k views

How can I use a separate transformer to provide a C wire to my thermostat?

I Purchased the Honeywell WiFi Prog Thermostat to replace my Round Digital Honeywell Thermostat. I have separate Heating and Cooling (Heating is a Weil McLain Boiler for Hot water baseboard and Hot ...
2
votes
1answer
3k views

What are the codes for electrical wiring in attics?

What is the typical code for wiring in attics? I understand these vary but what's best practice? Can you just have electrical wires exposed with all the junctions, in junction boxes, provided all the ...
4
votes
4answers
2k views

How can I wire this three-way circuit between two buildings with only 3 conductors?

I am rewiring my entire house after a major malfunction of two antique knob and tube circuits. I'm up against a challenge with some outdoor lights. Here's the situation: I have a detached garage. It ...
5
votes
5answers
22k 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 ...
0
votes
1answer
369 views

How can I wire multiple recessed lights and multiple dimmers?

How do I wire recessed Zinc Alloy ceiling lights. There are eight lights and eight dimmers. Can I run all wires and the feed into a junction box?
3
votes
2answers
279 views

How do I rewire this circuit controlling several lights and receptacles?

The wiring is suspended on the ceiling inside a metal tube that connects to each light socket and set of outlets at independent metal junction boxes. The first light in the chain finally stopped ...
3
votes
1answer
5k views

How can I install this programmable switch where a neutral is not present?

I'm trying install this programmable switch but the instructions do not match reality. The instructions refer to the existence of a black (load) cable and a white (neutral) cable supposedly coming out ...
6
votes
3answers
3k views

Is it OK to have ground wire connected to breaker box wall instead of neutral bus?

After having issues with lights flickering, I noticed the main 100A breaker was warm and arcing slightly. Instead of just replacing the breaker, I decided to call in a electrician to install a larger ...
1
vote
2answers
892 views

How can I install 3 way switches that cut power to several 2 way switches?

I'm rewiring my unfinished basement. It has two entrances - a cellar door to the outside and the normal staircase in the house. Even though it is unfinished, the basement is kind of divided into ...
6
votes
1answer
3k views

What is a split bus panel, and how do I recognize it in the field?

I'm having trouble identifying a split bus panel. I design and install Solar systems, and lately (after Mr Wiley gave a few seminars to local inspectors) the local authority having jurisdiction (AHJ) ...
-3
votes
1answer
280 views

How can I install a new bathroom GFCI receptacle? [closed]

How can I install a bathroom GFCI, by connecting it to another outlet?
2
votes
2answers
1k 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 ...
1
vote
5answers
496 views

How to replace wire next to another wire?

Currently I have, courtesy of the last owner, 3 wires running to the "socket" behind my TV. It's a coax and 2 audio cables (image below), and they go to the fuse box/meter box in the hallway. . I'm ...
0
votes
0answers
64 views

Rewiring House (Coax and Ethernet) [duplicate]

Possible Duplicate: How do I run ethernet, speaker wire, and coax through a wall into a crawlspace? When my family moved into our house, there were holes in the floors where the coax cables ...
3
votes
4answers
3k views

How can I verify that the protective earth/ground is separate from the neutral wire in an electrical AC installation?

It's easy to verify which wire is the phase without relying on wire colors. But I'm not sure if I'm able to determine which wire is the ground and which is the neutral. I have heard that using a ...
13
votes
6answers
13k views

How should I go about installing a 12 volt DC residential circuit?

I have a couple deep cycle batteries that trickle charge from a solar panel, for emergency use. Right now the only way I get useful power from them is to use a 12VDC -> 120VAC inverter, e.g. the type ...
1
vote
1answer
618 views

How can I wire an HD antenna into my attic?

I have a 2 year old house 2 floors and then an attic that you have to use a pulldown to get into. The house has an ethernet cable (90% sure it is an ethernet cable) that is in the attic, I have a HD ...
1
vote
2answers
3k views

Does a single-gang double timer switch exist?

I have a single gang outlet that current has a double/split switch installed controlling an inside light and an outside light. Ideally I'd like to have the outside light on a timer. Does a single ...