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

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640 views

Is it okay to use both the backwire holes and the side terminals on an electrical outlet?

I'm tying into an existing outlet box to provide power for a new electrical outlet. The existing outlet already has 2 lines connected to it - one from "upstream" (to the fuse box) and one downstream ...
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1answer
101 views

Can I run wireless alarm sensor in same conduit as power?

I need to connect a water flow valve to my wireless alarm. I plan on connecting the water flow switch to a wireless alarm sensor Currently there is a junction box that has power running to it that ...
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2answers
3k views

Is there any code for running Ethernet cable (through attics)?

We have an unfinished attic - the insulation-everywhere, step-in-the-wrong-place-and-fall-through-the-ceiling kind. I'd like to run Ethernet cable through the attic. I know for Romex, I'd have to ...
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1answer
335 views

what are the little dots on wiring diagrams?

There are little dots along the lines in many wiring diagrams, like in response to the question "How do I know if a ceiling fan with light and the switch are wired correctly?". Some of these seem to ...
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1answer
9k 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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325 views

Can I install a subpanel using only two ungrounded (hot) conductors and a grounding conductor?

we removed the inside part of an air conditioner / heater from a mobile home. we plan to use this area as a small pantry. The wires that were connected to the heater is 2 black connected to 2 seperate ...
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2k views

How can I wire a GFCI receptacle and a combination switch/receptacle device?

We are trying to install an outside receptacle box. We have one GFCI receptacle and one switch/receptacle combo. We want the combo to be protected by the GFCI. We also want the switch to control the ...
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1k 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 ...
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1answer
4k 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 ...
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273 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 ...
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4k 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 ...
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1answer
11k views

What size wire do I need to connect a portable generator inlet to my main panel?

I am planning on installing an interlock kit and backfeeding my panel with my portable generator. The backfeed will be to a 30 amp breaker, coming from the 240/30A outlet on my Generac 5500. The ...
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1answer
3k views

How do I wire a new ceiling light with power to the ceiling and 3-way switches?

I'm trying to install a new light fixture in the front hall. Currently, the light is activated by 2 switches (on each end of hall). The NEW fixture has 1 black wire and 1 white wire. The ceiling wires ...
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1answer
950 views

Why am I measuring low voltage when I connect this fluorescent fixture to an existing circuit?

My bathroom has two switches: one [was] connected to two overhead can lights (with CFLs), and one [was] connected to a fluorescent wall sconce (one of those ugly circular plastic things that I can't ...
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2answers
31 views

New switch keeps tripping breaker

I am attempting to enable a light switch in a bedroom that had the wiring but had no ceiling light fixture and no switch (just blank plate). However, I am running into an issue and I want to seek ...
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1answer
28 views

20A circuit breker replaceing 15A

My new pool pump specs are for 20 Amp Curcuit 12 Guage wire. my old pump was on a 15 Amp circuit. I was connected to 15 AMP GFCI outlet with 12 Gauge wire. The pump was 13 yrs old and we had issues ...
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32 views

How do I hard wire a T8 fluorescent light fixture with grounded plug to a motion sensor?

I purchased a T8 fluorescent fixture with electronic ballast, which came with a wired three-prong plug. I also, purchased a infrared motion sensor. I want to hardwire the fixture into the motion ...
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1answer
46 views

New Light Fixture with Old Wiring

Yesterday I replaced an old light fixture in my bathroom, and now the new light powers on with the breaker, but the wall switch does nothing. I'm not sure if the power is going to the switch first or ...
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2answers
56 views

Best way to run electrical wire behind built-in shelves, with the least patching afterwards?

My main living room wall has a fireplace, surrounded by built-in shelves on either side. The left built-in has a 2-gang outlet in its bottom cavity, which I outlined in red. I'm going to mount my TV ...
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3answers
150 views

How to run Ethernet cable along a brick wall?

I want to run an Ethernet wire from the living room where my TV and router are to the basement where my office is. The problem is that when I lifted the drop ceiling in the basement, I saw that the ...
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1answer
94 views

Adding recessed lighting to room with ceiling fan/light already installed

Ok, First off I have done small electrical projects like add outlets, but never anything major. I have a loft with a ceiling fan/light that is just not bright enough to light up the entire room. The ...
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1answer
53 views

Ceiling fan wired for 4 way control?

I want to set up fan and light controls in three wall boxes, i.e. one fan/light control on each side of the bed, and one fan/light controller at the entrance to the room. How can I do this?
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102 views

Can I run power from a GFCI receptacle to a standard receptacle then to a light switch?

I have a single GFCI outlet and I want to add a few standard receptacles and a light from it. I am curious if it is possible to go from the GFCI, to two standard outlets then on to a light switch?
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1answer
36 views

Wiring an outside outlet

I have Cedar Siding and would like to tap into a inside outlet and put a outside outlet on the siding.. Can I use a plastic old box and but in siding or do I need to use a metal box and have it on the ...
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1answer
84 views

replaceing a toggle switch for EXHAUST fan for small bathroom with a rocker switch

I have a bathroom with two SEPARATELY TOGGLE switches;one for the light and one for the exhaust fan.I have updated the light switch with a dimmer/motion sensor rocker style switch. NOW my question is ...
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1answer
68 views

How do I replace a 3-way switch on 2-wire cable with a programmable timer switch?

I'm using the same Honeywell Programmable Timer from my last question, but under different conditions. In particular, I'm replacing a 3-way switch on 2-wire cable. Here is a schematic showing the ...
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99 views

Ceiling lights running dim

I have a persistent problem with the upstairs ceiling lights in my house where they often run dim for a while and then return to full brightness a few seconds later (at most 1 minute). Sometimes ...
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1answer
93 views

Why do people run 12-3 cable to feed completely different circuits?

Been updating circuits in my basement and I'm horrified at the previous work that has been done. Improperly routed cables, overloaded junction boxes and, in two separate instances, 12-3 cable feeding ...
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1answer
95 views

Why is the live wire reading live, but the neutral is not, in my lighting circuit?

A ceiling light has failed and I have removed it. The circuit that it was part of (eight other downstairs lights) is working fine. BUT the supply cable from this circuit to the failed light is 'live' ...
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1answer
88 views

installing a replacement fixture with three lamps in one on a two way switch

I am replacing a single pendant-type ceiling light with a new pendant fixture that has three individual pendants that go into the single "hood" that attaches to the box in the ceiling. There are two ...
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3answers
268 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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1answer
88 views

Need help replacing 2 switches, fan + light

I need some help. I want to replace the 2 old switches, fan + light, by 2 Leviton decora 1 way switches. I am confused by the wires (see attached pics), especially by the black one that goes from one ...
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18k views

How many outlets can you have on one 15 amp circuit

In my rebuilding project i have counted 18 outlets and lights on one bedroom circuit that travels through 3 rooms. Is that ok ?
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1answer
129 views

How do I wire challenging bath situation

I have opened up my bath with studs and ceiling exposed. I have one power source going into the room. I have : Ventilation Fan/Light/Night light 3 switch for one gang box Vanity light that I wish ...
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1answer
180 views

How do I find the end of speaker wire in a finished wall?

I purchased a home with a media room that was prewired for surround sound. One end of the wires is in a low voltage single gang box, the other ends terminate somewhere in the corners of the room. ...
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2answers
7k views

How do I wire up a 4-wire dimmer switch when I only have two 2 wires from the wall?

I'm replacing (yet again) my bathroom dimmer switch. The old switch had 3 wires: 2 black and one green. The two black wires were attached to the wires coming out of the wall and the green wire was ...
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2answers
1k views

What do I do with the neutral and ground when wiring a transfer switch?

I know there are a lot of questions about wiring a generator to a home electrical panel, but I can't find the answer to the questions that I have. I would like to wire a generator that has the ...
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1answer
743 views

Can I use a junction box to splice together wires that are on a different circuit?

I'm doing some work inside a wall that has some 12/2 NM cable running through where I need to put something. The cable doesn't have any additional slack for me to route it around the obstruction. I ...
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1answer
90 views

What could be causing my touch lamps to come on by themselves?

I am rewiring my house with major upgraded wire. I am installing #12 armorflex wiring and conforming to commercial code. Yes, I know most people use romex for houses, but I have seen plenty of attics ...
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1answer
77 views

I have 2 single slots (left & right) at bottom of panel but using 12/3 wire for two separate runs

I'm learning to wire and have done okay lately, but now I want to tackle adding a Ground Fault Breaker to my panel to power some outdoor receptacles and landscape lighting. I've already run 12/3 (in ...
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2answers
287 views

Is this a normal fault mode for an arc fault or what is happening in my wiring to cause my AFCI to trip

Sorry for the long preamble. I'm doing a remodel which involves adding a new guest room which shares a wall with the kitchen. I remodeled the kitchen a few years ago, so I have a good handle on the ...
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3answers
1k views

How do I fish a wire into an existing electrical box?

I have a 2-gang switch box that houses two light switches. I'm replacing one of the switches with a Honeywell Programmable Light Switch PLS751, which requires both an ungrounded (hot) and a grounded ...
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1answer
652 views

Do I have to hardwire my electric garage heater, or can I use an existing 240V receptacle?

I just purchased a 17000BTU heater for my garage. The instructions say to hard wire it with 10/3 and 30amp breakers, 240 volt. The company says the warranty is void unless it is hard wired. I have an ...
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1answer
116 views

How do I find the switch plates behind the plasterboard walls?

We were having a house built and the builders have gone bankrupt so we have been left to finish everything off ourselves. The plasterboard walls have been put in and the wires are behind the walls for ...
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1answer
122 views

Wiring requirements for garage and bedroom addition

I've just added a new garage and bedroom and am about to wire them. I've done a lot of wiring in my house, know all the basic requirements for how wiring is run, etc, never had a problem with ...
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1answer
391 views

Can I use a switch loop to power a ceiling fan?

Need your help, please. I have a single pole switch that controls the wall’s receptacles. It has one 14/2 cable, white/black/ground, where the white is hot. I would like to install a ceiling fan. I ...
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4answers
22k views

How do I re-wire a ceiling-fan to reverse its direction?

One of the ceiling fans at home was spinning in the opposite direction (clock-wise) and so was sucking up the air rather than blowing it. I live in a hot climate so we always have the fans spinning in ...
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3answers
7k views

How do I wire a humidifier without a 24 VAC IN terminal?

The instructions for the humidifier I'm installing says to connect the humidistat wiring to the two terminals "marked 24 VAC IN". My furnace doesn't have terminals marked that. I have R,C,W,Y.G. Am ...
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3answers
768 views

How can I trace an electrical cable?

I'm installing a wall mount over an existing electrical socket - so I want to remove the socket I've read that just capping off the Hot and Neutral wires is not the best approach and that ...
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1answer
1k views

Why does one light blink after installing new three way switches in my hall?

I installed the new switches with the wires in the same location the new switch this is a lighted one. the hall way light blinks on one of the bulbs in the off position. Do i have a bad switch or ...