Tagged Questions

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
2answers
272 views

Can I use the tabs to chain 15A outlets on a 20A circuit?

When wiring 15A-rated outlet receptacles on a 20A circuit, is it acceptable to use the tabs & screws to chain the circuit from one outlet to the next? My instinct to overengineer says to use ...
2
votes
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 ...
4
votes
1answer
353 views

How to wire modern telephone extension?

A telephone extension cable has been pulled from its socket. How do you rewire such a socket?
3
votes
2answers
45k 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 ...
19
votes
4answers
2k views

How can I get a wire that is outside a wall to be inside a wall

I recently removed an abominable drop ceiling from my dining room and found this close to the ceiling on the one side of the room. There is definitely a stud between these two holes. On the other ...
-3
votes
3answers
5k views

Correct amps for cooktop and separate oven

I think the wiring to my cook top and oven might be backwards. My oven requires 40A and my cooktop requires 30A. The oven wire coming to the junction box is 12 ga. but the wire from box to breakers ...
1
vote
1answer
476 views

Cool bulbs into a min 90C fixture with 60C wiring

I bought a light fixture that has a min 90°C warning. The wiring leading up to the fixture is NM (60°C wire). I was wondering if an easy workaround to this would be to install a newer, more ...
4
votes
1answer
1k views

How do I get power into my kitchen cabinet?

I'm trying to run power for some under-cabinet LED strip lighting. I think the easiest way is to tap into the stove hood, so my question is: how do I do this in a way that is legal and meets code ...
6
votes
2answers
1k views

What's the right connector for connecting #12 solid copper to #14 stranded?

Still working on installing my exhaust fan. It required a dedicated 20A circuit so I ran #12 copper. The wiring from the unit appears to be #14 stranded. It's also silver colored but I don't know if ...
2
votes
3answers
925 views

Do I need to cut into my drywall to install a switch?

I'm looking to put a light in outside my house. The light is going to be positioned directly behind the outlet I have pictured below where the wires are sticking out. I want the switch to control ...
8
votes
5answers
5k 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 ...
3
votes
3answers
6k 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 ...
4
votes
2answers
3k views

How to wire in my replacement fluorescent light fixture?

The electrician installed a new wall switch in the kitchen, so that when I replace the fluorescent light, it can be turned on and off at the wall switch. I am ready to install the new light. In the ...
1
vote
0answers
67 views

How to mount a flat screen TV above a fireplace? [duplicate]

Possible Duplicate: How should I run wiring for my above-fireplace mounted TV? I have a flat screen TV on a wall mount that I'd like to move to the brick above the fireplace (which is only ...
1
vote
1answer
729 views

How do I wire this kitchen fluorescent ceiling fixture?

I bought a new Home Depot kitchen ceiling fixture but am not sure of the proper way to install it. The fixture itself has black, white, and bare copper. The ceiling wiring is red and gray(white?). ...
3
votes
2answers
4k views

Should my thermostat's blue wire be going to W2?

I've recently moved into my first house and am looking to replace the existing basic thermostat in the home. Here is a picture of how I found it wired: Researching the wires, I've read that ...
6
votes
2answers
3k views

Light flashes on then turns off. What do I look for?

I just moved into my first home and the light fixture in the water closet broke. I replaced the fixture with a new one, but the light only flashes on, then turns off. I checked for loose ...
4
votes
1answer
539 views

Bending wire versus cable

When running NM cable, you're supposed to not make any bends sharper than 5 times the cable radius.* When dressing wires to go into a box, though, you often curve them any which way or shape them ...
1
vote
2answers
7k views

Why do my LED lights flash on cold start?

Whenever I flip on my dimmer switch, all four dimmable LED lamps flash on in unison, blink off, and then come on at the selected dim level. This happens even with the dimmer slider maxed out, so it's ...
4
votes
4answers
1k views

How can I fix chewed through wires?

I have two standard two prong wall plugs my puppy has chewed through completely, and he managed to sink his teeth into a laptop cord as well. I'm thinking the wall plugs are history (a lamp and a ...
3
votes
5answers
4k 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 ...
4
votes
1answer
493 views

Why is this ceiling light fixture wired this way?

I'm trying to replace the hanging light below and I've gotten a little confused. Shouldn't the brown wire on the left be connected to the live (red) wires rather than the neutral? I understand that ...
4
votes
2answers
4k views

How can I convert Cat5e wired sockets to Ethernet?

I recently moved to a new home and I noticed that the phone jacks (RJ-11) were connected using Cat5e cable. I'm thinking I can replace the RJ-11 plugs with RJ-45 and use Ethernet over the existing ...
6
votes
3answers
1k views

Can an external light fixture and an external receptacle share a circuit?

I have to get power to provide an outlet for an awning at high level. The nearest power source is an external light fixture. Can I wire into this? If so is there anything special I should know?
2
votes
3answers
19k views

How can I pass cables vertically through walls that contain fire blocking?

How can one pass (speaker) cables through walls from the floor to the ceiling. I am assuming that drilling a small hole at the top, dropping the cable I want to pass through and catching it at the ...
5
votes
2answers
5k views

How to determine the correct capacity for a sub-panel for a shop?

I plan to install a sub-panel for my woodworking shop, and would like to determine the total capacity that should supply that sub-panel. These are the main items that will likely be running in the ...
3
votes
1answer
821 views

Is it safe to remove a plug, and wire a light fitting into the wall?

I've moved into a house, and am fitting a series of 5 halogen downlights beneath a shelving unit. The wall on which I am fitting it previously had an uplighter. I removed this so now have exposed ...
4
votes
1answer
1k views

How do I choose a recessed alarm contact switch?

With so many window and door recessed contact switches, how does one decide the best one for the application? I was leaning towards Ademco 3/8" Diameter Miniature Press Fit Magnetic Contact, for ...
0
votes
0answers
61 views

Is it possible to get wiring for charging USB devices? [duplicate]

Possible Duplicate: Do USB sockets draw power when not in use? We're about to re-wire our house (in the UK). It occurred to me that having the ability to plug USB devices directly into ...
2
votes
2answers
3k views

How to wire two light bulb sockets inside a ceiling fixture?

I purchased a flush-mount ceiling light with 2 light bulbs. The wiring is a simple 1 black, 1 white, and 1 ground to the ceiling box, but there were also wires connecting one bulb to the other. ...
8
votes
2answers
2k views

What are my options for installing 240v receptacles in an attached garage?

My workshop (attached garage) is currently wired with 120V receptacles fed from the main panel in the house by #10/3 with ground (1 black, 1 red, 1 white, 1 ground) attached to a double-pole 30A ...
5
votes
1answer
8k views

How should I run speaker, HDMI and electrical wiring for my ceiling mounted projector theater room?

BACKGROUND: New house built 5 years ago. I have a basement theater room with 12 foot drywall ceilings that have HVAC conduit and recessed lighting (in other words there is some space behind/above ...
7
votes
2answers
592 views

Will security system wiring cause interference in data cables?

Is it acceptable to run 22/4 security wire along side Cat6 and Coax cables, or is there any possibility for interference?
6
votes
4answers
2k views

How Do I Plan for an Intrusion Detection System?

I would like to plan for an intrusion detection system in a home that is currently under construction. The home has a walkout basement that is sloping, shown in the rear elevation picture shown ...
5
votes
6answers
13k views

How should I wire for a security system during construction?

I would like to run wires in anticipation of a future hard-wired security system. However, I have yet to find any information that pulls everything together regarding what is required. From what I ...
4
votes
2answers
3k views

Do open-back low voltage boxes have advantages over standard outlet boxes?

I will be running LV wiring in new construction. I've seen the open backed Carlon boxes, but have read that they are difficult to insulate, and therefore should not be used on exterior walls. I ...
14
votes
4answers
5k views

What should I use to secure/organize data cable runs?

I am running Cat-6 and Coax in new construction. I am looking for advice/best practices on how to organize and secure the cables during the runs. I will be running 2 Cat-6 and 1 Coax to a ...
7
votes
1answer
2k views

How can I remove a switch and terminate a circuit in its place?

I have a switch that used to control outdoor lighting. It no longer does any more and I'd like to just leave it off permanently. Is there an easy way I can terminate it from within the gang box? ...
5
votes
1answer
2k views

How to open NM box knockouts?

I've found the knockouts in NM boxes hard to fully open. I've had trouble with both Carlon boxes and Madison Smart Boxes. The plastic molded to make the knockout is very resistant to actually being ...
5
votes
1answer
5k 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. ...
13
votes
3answers
53k views

What is a GFI outlet used for, and where should I install them?

What purpose does a GFI serve? Where should they be used?
5
votes
3answers
3k views

Can I add four 20Amp circuits in a subpanel with a 10-3 feeder?

My garage has two 20 Amp circuits and an unused 10-3 w/ground connected to two 30 amp breakers. I want to use those unused wires for a subpanel but i'm not sure how big of a panel could I install? I ...
4
votes
2answers
518 views

Can I add a second circut using an existing ground and neutral?

I would like to add a second circuit to my BBQ area. There is conduit running from the panel to the BBQ with three wires, hot, neutral and ground. Can I just add a second breaker and run a second hot ...
1
vote
1answer
556 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 ...
1
vote
2answers
3k views

Connecting a digital timer with 4 wires in a box with only three wire, white, black, and ground

I installed a digital timer in a box that previously contained a switch to an outside porch light. The box has only a white, black, and ground wire. The white wire in the box is hot, not the black, ...
3
votes
1answer
357 views

What is this orange clip my ground wire is connected to?

I am trying to replace a dome light with a nice small ceiling fan. When disassembling the old light, I notice an odd orange/clear clip connecting the lights ground to the house. What is this called, ...
7
votes
12answers
21k 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 ...
2
votes
2answers
9k views

How can I separate a light switch to power two different devices?

My house had an addition after it was built - a covered porch which includes a lit ceiling fan. I very recently screened in said porch and love it out there. When the initial addition was put on, ...
5
votes
1answer
1k views

How can I add 100 amp electrical service to a shop?

I am going to wire my shop and want ot run #2 copper to a 100amp breaker panel. I really do not have the space in the 200 amp panel in the house, my question - is there a way to pull this wire off the ...
5
votes
1answer
2k views

Can I connect two load lines to a GFCI receptacle?

I just bought a leviton GFCI and the instructions say if there are two load lines in the box, do not connect the GFCI in that box. I can't understand why this is a problem, especially since the ...