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

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48 views

Two Black One White in Ceiling Box Connected w/two switches

Trying to install new light fixture controlled with two light switches. I have two black and one white in the ceiling box. Should I connect all the black wires together?
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1answer
161 views

How do I make channels in plaster for electric lines?

Most of my walls consist of solid plaster over masonry, which makes electrical work difficult to say the least. I want to add some wiring to an existing wall in order to add light fixtures to a room ...
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2answers
440 views

How do I update two 2-wire switches housed in a single box? Both switches are combination switch and PILOT light

I have a very OLD wiring so it isn't clear how to install my new switch per the provided wiring diagram. I have 2 COMBINATION SWITCHES, each has a switch and a pilot light on them housed in a single ...
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3answers
2k views

How can I replace a 4-way mechanical switch with occupancy sensor(s)?

There is a stairwell in our house, which is currently lit by a fixture controlled by three switches: a 4-way and two 3-ways. The wiring was done very recently and, I'm certain, in accordance to modern ...
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2answers
93 views

Why am I getting no satellite signal after running electrical cable alongside the satellite cable?

I am adding exterior lights and I ran exterior grade electrical wire along the side of the house and tied this wire to the Dish Satellite wire running in the same direction. Now I have no Dish ...
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0answers
61 views

How do I wire into an outdoor service entrance from crawl space?

I am adding and rerouting circuits from an old screw in fuse sub-panel (soon to be replaced) to the outdoor service entrance through the crawlspace. The entrance panel is mounted on the exterior wall ...
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2answers
1k 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, ...
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0answers
67 views

Why won't a NEST that shares control of a furnace with a conventional thermostat turn on the heat?

I have three floors in my home. The bottom floor has its own gas furnace and the 2nd and 3rd floors share another gas furnace. Everything was working great until I added a NEST to the first and ...
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3answers
1k views

How do I secure electrical wiring to a pocket door frame?

I recently installed 2 pocket door kits together from one room to an adjacent in my house. The building inspector said he saw no problem with me installing a light switch in a shallow electrical box ...
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1answer
67 views

Will chained GFCIs malfunction?

What I'm asking is if a GFCI wired onto the load of another GFCI will function? Will it cause the upstream one to malfunction. Will it cause the downstream one to malfunction? It is against code? ...
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1answer
174 views

Getting shocked by a neutral wire

I'm trying to figure out how I got a shock from a neutral wire. I didn't think it was possible until I read this article on being "in series with the neutral." Here's what happened: I was ...
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1answer
137 views

What type of wire should I use to repair a toaster oven? [closed]

The connector from one of the leads from my toaster oven's power supply to the top heating element broke off. The wire is too short to just add a new connector, so I need to replace the wire. The ...
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3answers
91 views

How to add a new cable box to an existing stud wall

I need to wire in a new speaker volume adjuster and box into an existing stud wall. My worry is I am not sure if the speaker wire will be able to get to where I need it to go. This is because I am ...
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0answers
107 views

How do I wire a two-way switch?

I have a one gang two way switch on top landing, there are four red wires one yellow one blue how do I wire the switch?
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2answers
888 views

Does the neutral wire float or go to the neutral bus on a sub panel?

Does the neutral wire float or go to the neutral bus on a sub panel?
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1answer
855 views

Can I run THHN wires through an attic without conduit?

I have a new workshop and I'm running 6/3 out to it. My run will need to go from my existing panel through the attic, down an external column (with normal housing siding) and then into an underground ...
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1answer
193 views

How do I terminate coaxial cable in a crimp on F type connector?

I've got some coaxial cable, and I'd like to put F type connectors on the end so I can use the cable to connect my TV to the Cable box. How do I put ends on the cable?
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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 ...
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2answers
110 views

Is it legal (or green) to have an unswitched bath exhaust fan with nightlight that runs 24/7?

I just bought an Opportunity Home - a totally refurbished house that is "green." However, the bathroom exhaust fans - in three bathrooms - all have motion detector nightlights and run 24/7. There are ...
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0answers
60 views

Is there a flow-chart to trouble-shoot electrical faults?

A little back-ground - I'm in India living in an old old old house; some of the wiring dates to the 1920s. Apparently back in those days the power-house supplied residences as 1 - phase Light, ...
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2answers
121 views

What is this type of lead called and how do I wire to it correctly?

I'm becoming more frustrated than I'd like to admit trying to wire this button up, and I often find the easier method it was designed for when I'm having this much trouble. Sorry for the poor man's ...
6
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3answers
2k views

What should I do about a receptacle with 2 circuits going through it where white wires are hot?

I have a receptacle that has 3 white wires and 1 black. The black wire is hot and 2 of the white wires are hot but on a separate circuit than the black one (2 bedroom's outlets on separate circuits ...
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1answer
147 views

I have voltage on my neutral wire for a 220 volt ac inverter and blew up some of my house appliances

Why does my white neutral conductor has voltage on it? Is a 220 VAC from a DC to AC Inverter circuit supply. The outlet is like a normal American 110 VAC socket but I requested it to be made as a 220 ...
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5answers
816 views

Since neutral is connected to ground how is current kept off of ground?

If neutral is connected to ground and current desires ground then I would think it would go to ground. But my understanding is that it is kept off of ground until it's "upstream" of the breaker box, ...
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3answers
213 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
111 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
521 views

Is it OK to run 12-3 cable to a ceiling fan from a switch that's wired with 12-2?

I'm installing a ceiling fan into a room that has no existing ceiling mount (no light or ceiling fan previously existed). I've got a ceiling fan mount in place with a supporting brace that can support ...
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2answers
2k views

How do I connect the common wire in a Carrier air handler?

I am trying to install a new wifi thermostat in my home and need to locate the common terminal for my air handler. I have a Carrier model FB4CNF030. It's a new construction home and I have the blue ...
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1answer
192 views

How can I determine if my HVAC system has features which are not currently wired to my thermostat?

I recently upgraded to a Nest Thermostat. This new thermostat supports many more terminals and features than my previous thermostat. My old thermostat had the basic terminals; G,R,C,Y, and W. I am ...
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1answer
78 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
361 views

Do I need conduit for an indoor sub-panel feeder line?

I'm adding a 100A sub-panel to feed a stove and water heater. The sub panel is indoors and in the same building as the mains panel. Do I need to run the supply feeder in conduit? I'm in Michigan and ...
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4answers
1k 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
951 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 ...
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5answers
3k views

Why is my 3-prong dryer outlet showing 240V between hot and neutral/ground 'L' prong?

I'm trying to tell what might be wired wrong with our dryer outlet. Using a Fluke 75 set to AC, I read 238V between the hot leads, 118V from one lead to ground, and 238V between the other lead to ...
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1answer
44 views

Can I go from a 3-prong outlet and connect to a 2-prong outlet and switch?

I have rewired the first 2 outlet in a circuit with 14-2 wire. However, I do NOT want to rewire the rest of the circuit because it is inside non-accessible walls. The rest of the circuit is a front ...
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2answers
518 views

How are equipment grounding conductors counted for determining conduit or junction box fill?

Suppose one is doing junction box fill calculations for a typical NM-B installation such as the one shown below for a switch box with one normal and one three-way switch. Which of the wires count ...
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1answer
334 views

Can I run NM-B inside EMT conduit for protection? [duplicate]

If I'm adding some new receptacles to a garage, and the wiring will be run surface-mounted to walls and ceilings, I think protecting the wiring with EMT conduit is probably a wise way to go. I'm ...
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2answers
11k views

What should I use to wire a 220v electric baseboard heater and thermostat? 12/2 or 12/3

When I bought my baseboard heaters, thermostats and 220v breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats, heaters, and even breakers have ...
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2answers
200 views

How do I replace this switch with a timer?

I was trying to wire in a timer switch for a vent fan. When I went to replace the switch (which I knew was a 3 pole) I was baffled by the way it was wire. 4 wires run into the box, two of the hot ...
5
votes
4answers
12k 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 ...
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2answers
503 views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
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3answers
1k 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
773 views

Why did my circuit blow after replacing a switch?

I replaced an older switch yesterday on an existing line of recessed lights. There are five lights on the one switch. On the same breaker; but different switch, there are 7 more recessed lights (all ...
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2answers
717 views

How can I find the first receptacle in a circuit?

I know how to wire a GFCI receptacle and all the things to go with it in doing so. But what I do not know is the following. I understand the GFCI receptacle should be first in line to protect the ...
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2answers
261 views

Wiring Bathroom Fan Switch

I'm trying to wire a new single pole dimmer (two black wires, one ground) and single pole switch (no wires, just screws) for the fan in my bathroom. What I see coming into the box is three separate ...
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1answer
82 views

How do I make the connection for 2 lights with a power source between them?

I have 2 sensor activated lights with the power source in between the two lights. It is run with 14/3 romex wire from each light source to the power source. How do I make the connection?
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1answer
82 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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4answers
205 views

How is the alternating current in your home a complete circuit?

Here's what I'm asking: if the electricity flows from the hot wire to device X, then to the neutral wire which ultimately carries the signal to ground/earth at the panel then how does electricity "get ...
2
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1answer
136 views

What should I do about an exposed wire for landscape lighting?

Found an exposed wire from an old landscape light in the yard that is tripping a breaker. Can I just cap it?
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4answers
2k views

What are some ways to wire rear speakers in a home theater system?

I have two rear speakers, that I never use, since I don't have a good way (yet) to wire them. I have a hardwood floor. And the side of the room that is nearest to the TV+Audio source is open. So I ...