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

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149 views

New GFI receptacle will not reset after connecting load wires

I am replacing an old receptacle with a new GFI unit. There are a total of three outlets and a light fixture on this circuit. Everything was working beforehand, but I am putting a small refridgerator ...
3
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4answers
18k views

Why did I lose power to half the house when the breakers did not trip?

Using a voltage detector I determined that three breakers in the panel are not conducting voltage, yet they are fully on (not tripped). Thinking they were bad, I replaced a double throw 15 amp and a ...
2
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1answer
125 views

How can I make 3 wire sub-panels compliant with current codes?

The sub-panels in my house are all split-phase 3 conductor with neutral and grounds mixed. Is there any way to make this compliant without running new 4 conductor feeders? (Some of the feeder cables ...
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1answer
114 views

Is it allowed to run NM wire in PVC pipe under an outdoor porch?

I would like to know if it's allowed to run 10/3 Romex in 3/4 inch PVC pipe for 15 ft. outside under the floor of an open porch to be wired to a 30A power outlet for a portable 6500 watt generator.
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1answer
57 views

Need help identifying security wiring

I'm in a new construction home, and the builder is basically blowing us off on questions about the wiring (what's that switch/wire/plate for sorts of things). My focus for this Q is the security ...
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2answers
11k views

How do I wire this ceiling fan?

I'm trying to wire a new ceiling fan. The outlet box wires are White, Red, and Black. The ceiling fan wires are Black, Blue, White, and Green. The installation manual states to connect both ...
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1answer
162 views

Replaced outlet, no power to that circuit

I am not electrician. I am a DIYer and have some experience with replacing breakers, doing basic electrical work, but nothing really "advanced". An outlet was recently cracked, and my roommate went ...
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1answer
107 views

How do you wire a 3 switch box in a bathroom?

I'm replacing an old outdated 3 switch unit with a newer one to match the rest of the bathroom. One switch controls a light, one controls the exhaust fan, and the third controls a heating element. ...
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1answer
181 views

Does adding a disconnect box below the meter mean that my service panel is now a subpanel?

I don't understand the bonding at my main disconnect. My problem is that my main panel in the house was wired OK with the neutral bonded to ground. The power company added a disconnect box below the ...
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2answers
153 views

How can I run USB to every room in the house?

I want to run USB to every room in the house. I saw USB wall sockets on the internet. Is it possible (using multiple Raspberry PI or some sort of extenders) to have USB in every room? I'm thinking I ...
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1answer
92 views

Should I install 10 AWG or re-use the existing 8 AWG?

My new built in oven uses a 30 amp/10AWG wiring connection. My old oven has 40 amp/8 AWG wiring. Is it possible to use this connection with just switching a breaker?
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1answer
103 views

How should I run electrical wire perpendicular to exposed joists in my basement?

I have some questions in regards to running electrical in an exposed, unfinished basement environment. I understand that wire running parallel to floor joists should be at least 1.25" above the bottom ...
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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
46 views

“Stringing” conduit together

Is it OK to take a piece of string and slip the conduit pieces you are putting together onto it before you assemble them? I was thinking that doing this would be easier than trying to fish or feed a ...
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13answers
39k views

When wiring outlets should I use pigtails or both sets of outlet screws?

I'm replacing the outlets in our house and pulled out one that had two black and two white cables. My first thought was that it was two circuits, one of them being switched, but then realized the tab ...
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5answers
5k views

Why is it good practice to remove sheathing from NM wire when going through conduit?

I've been discussing specifics of an electrical job with a licensed electrician and he mentioned that in my area, it's acceptable/recommended to feed 12 gauge NM wire through an outdoor conduit but ...
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1answer
81 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
64 views

Which wire should be capped when replacing an old 4 wire smoke alarm with a 3 wire alarm

We have to replace an old 4 wire smoke alarm, wire colours are: white, black, orange, brown, in our condo with a 3 wire smoke/co2 alarm. My question is which wire from the old system should be capped ...
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1answer
67 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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1answer
47 views

Adding work shop to garage

I am planning on building a wood workshop attached to my garage. I have a 220 line already on the outside wall of my garage with two 20 amp breakers. Can I install a 60amp sub box in place of the ...
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1answer
354 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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1answer
176 views

How do I rewire this ceiling fan?

Hi someone was cleaning the dust off a ceiling fan in my house today and the screw broke off from the ceiling so we had to take it apart to fix it. Now we are trying to figure out the wiring the ...
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2answers
106 views

How do I rewire this box?

In an '80s Canadian house I took out a wall switch and now I can't figure out how to rewire it. The box has three cables coming into it. They all come off the same panel breaker. Two of the cables ...
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2answers
56 views

Replace one of the 3way switch to sensor switch in the hallway

I have TWO 3-way switch in my hallway for light fixtures and I tried to replace one of the them to be a motion sensor switch. Both are working before the replacement, I can turn on and off with both ...
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4answers
329 views

How should I run power wiring and Cat-5 to the perimeter of my huge yard?

I have a house that sits on about 4 acres of land. There is a very large front yard and an even bigger one in the back. I want to get both power and Ethernet (for security cameras) located at various ...
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1answer
33 views

i may have crossed some blackwires on a switch [closed]

I am replacing switch in the basement and switch has 3 black wires. That switch is now turning the kitchen light on. What happened. I believe I know what I did but not sure which way to put the wires ...
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3answers
150 views

How to handle ground and neutral in multi gang box containing both branch and traveler further down on same branch?

I have a 15 amp branch circuit where the first box from the breaker contains a switch for a ceiling light at the door leading to the garage. This box supplies the rest of the branch. On the same ...
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2answers
167 views

Acceptable “3-way” switch wiring solution?

I would like to use a raspberry PI to turn lights on remotely from a raspberry PI. In this diagram, I am proposing 2 paths for completing the AC circuit and therefore turning the lights on: 1) the ...
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2answers
50 views

Change GFCI outlet/switch with regular switch

I have 2 switches in my bathroom: a fan (power comes into the fan and it's just a simple black/white to the switch) and a switch/outlet GFCI combo where the switch powers the lights but the outlet ...
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0answers
26 views

Freezing drain problem

I have a drain that has a catch basin that runs across the span of my driveway right in front of garage door. There is a slope so water can run down all the time. Problem is ice forms in the winter ...
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2answers
160 views

Can stranded wire be used for pigtails in a junction box?

I replaced a fixture today that had a piece of 12Ga stranded (probably THHN) wire used as a pigtail. The building has some wiring in conduit (other wires in this box were solid), so I'm guessing ...
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2answers
5k views

3 wire service to panel… neutral and ground wires on the same bar?

I'm getting two conflicting reports and was wondering if anyone can help me. I was told that on the distribution panel, grounded conductors (neutral) and ground wires need to be separated in the ...
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1answer
183 views

How can I install Z-Wave switches in these different situations?

I am trying to install z-wave lighting switches into my apartment. What I have discovered is that every light switch in my apartment that I have taken apart (4) is wired differently. The switches I am ...
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6answers
18k views

Is there an NEC-compliant method of repairing minor damage to electrical wire insulation without a junction box?

While trying to pry loose a stubborn cable staple that fastens a 14-gauge electrical cable to a stud, I accidentally tore a very small hole through both the outer jacket and the insulation around the ...
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1answer
446 views

Can I wiring LED light fixtures in parallel?

I have 4 120 v 20 watt LEDs. I want to put them over my desk. They are the Lusa Lighting Model #33000 (If you want to see the PDF). They come with plugs so you can plug them in separately. I want 1 ...
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2answers
42 views

Is there a 3-way occupancy switch with one sensor being external?

I have two lamps wired to a 3-way regular switch: one in a hallway and another one on the staircase following it. I would like to change the regular switch with motion detection occupancy one, but ...
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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
44 views

Is my breaker box aluminum compatible?

I have been advise to convert old aluminum branch wiring with AlumiConn connectors and maybe also in the breaker box, unless the circuit breaker is AL & CO compatible. How do I determine this? Can ...
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3answers
229 views

Using half of a 240v dual-phase circuit as a 120v single-phase circuit (US)

Usually when I see a 240v device, it is wired to its own double-pole circuit breaker, with each pole connected to a different 120v phase (to provide 240v total). If there is a 120v device in the same ...
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2answers
174 views

Where can I find information on slow blow breakers?

In a previous question, the comments mentioned slow blow circuit breakers. I have done a web search and went to Square-D's website(the maker of my current breakers) and came up empty. There is a lot ...
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1answer
176 views

Is it possible to add a “C” wire to my electric heater?

I bought a Wifi Thermostat but my old thermostat did not have a Common Wire. I can't use any of the swapping the G for the C solutions because I have an electric heater. I was told by Honeywell that I ...
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2answers
6k views

How can I replace multiple 3 way switches with motion sensors?

My tenants never turn the lights off in the stairwells of my 3 family house, so I'd like to replace all of the light switches with motion sensors. Here is a crude diagram of how this is set up now. ...
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1answer
149 views

Three hot wires,1 neutral on a switch

I am trying to replace an outlet, but am having trouble figuring out how to wire it properly. The top receptacle on the outlet is supposed to be connected to a switch. When the switch is turned on the ...
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5answers
8k views

Is “don't mix data and power cables” and “don't loop power cables” still valid nowadays?

There are two sayings I keep hearing when talking about wiring e.g. home cinema or computer hardware; Don't wrap data/network cables and power cables up in the same loop because the power cables ...
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2answers
96 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
185 views

How can I convert 4 ft fluorescent tube fixture to be used as a plug in fixtures?

So I purchased four overhead 4 foot fluorescent tube fixtures and my plan is to re-wire so that I can plug them into a wall. Would it make sense to run them in (Series)? (I believe that is the ...
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1answer
160 views

How would I go about adding more receptacles to a garage?

Looking for help in trying to get more electrical outlets installed in my woefully under-receptacled garage. I have one GFCI 20A outlet at the door going into the garage, one single ceiling outlet for ...
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1answer
53 views

How to protect non-metallic cable parallel to face of joist in attic?

I would like to run non-metallic cable (Romex) along the sides of the floor joists in my attic. Code (NEC 300.4(D)) says that wires need to be 1.25" from the top or bottom of the framing member. ...
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1answer
69 views

How many “layers” of surge protection is considered useful?

I want to make my whole house surge protected, there are several solutions available You can install MOV based surge protection on the entire house in line entry point - first line of defense You ...
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1answer
54 views

Electrical switch installation

My 2-way light switch doesn't work. I need to replace it but all I have on hand is a 3-way. How do I wire it to function as a 2-way?