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

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76 views

Two white and two black wires in ceiling box

Im trying to install a replacement light and the box has 2 black, 2 white and 2 ground wires, but my fixture only has one of each. I didn't really pay attention when i was pulling everything apart... ...
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1answer
22 views

Disconnecting wiring for chandelier

I've previously searched for some advice using Google but I'd like to confirm for my specific situation. It's simple enough to disconnect the chain supporting the chandelier but the wiring is proving ...
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1answer
520 views

Where do I connect the C wire in my furnace?

I am upgrading my thermostat to a Nest, and would like to add a common wire. My current furnace controller doesn't have a C terminal, but the current thermostat wire has 2 unused wires (black and ...
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1answer
57 views

my furnace fan stays on even when at temperature

I recently installed a 2nd generation NEST thermostat. I'm not home very often, but I was paying particularly close attention to the furnace after installing this thermostat and I noticed that the ...
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0answers
16 views

Air conditioned made a sound while running and stopped working

Air conditioned made a sound while running and stopped working,I guess its probably short circuited.How can I repair it by myself? What all tools do I need?
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1answer
276 views

How do I wire a pull cord ceiling switch?

I'm replacing the bathroom extractor fan switch with a new one (the pull cord no longer works) The new switch only has place for 4 wires - Neutral and Live (Supply and Feed) and the earth. I have 7 ...
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2answers
262 views

Bathroom fan/light switch with outlet

I have a switch in my bathroom that controls both the fan and the light, and also has an outlet. Can I get anything that has two switches (one for the light and fan) and also not lose the outlet ...
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1answer
19 views

Need help adding fan to existing 3-way switch setup

I'm including a diagram, because it is difficult to describe all of the things going on here. I have 2 sets of 3-way switches on either side of a room. 1 set operates some can lights with a switch on ...
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4answers
79 views

Should I be switching just the hot, or both hot and neutral?

I'm thinking of building my own alarm clock because none of the one's I've found are meeting my needs, and because it's kind of fun. I am a bit out of my depth on at least on part though, and I want ...
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3answers
179 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
535 views

How can I add a C-wire to a Venstar T5800 thermostat?

I am trying to replace my existing thermostat. My old thermostat has: Rh, W (coming from the heating unit). Rc, Y, G (coming from the AC unit). On the Venstar T5800, I can map as follows: Rh+Rc ...
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14k views

How do I properly feed coax through an outside wall?

I would like to add a new cable outlet to an outside wall and wanted to find out what kind of drill bit is needed to drill through and feed the coax cable as well as anything else to be mindful of. ...
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22 views

How do I take split receptacles off of a SPDT circuit & insert lighting?

In my den, I have two SPDT switches -- mostly split receptacle outlets. Can I take the receptacles off the switch, keep the switch circuit intact by wiring it together in the back of the receptacle ...
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1k views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
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1answer
76 views

GFCI Kitchen Circuit(s)

I understand that all wall receptacles (including counters) must be GFCI protected in a kitchen with a combined dining area but how about a separate dining area/room receptacles (separated from ...
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3answers
56 views

Can I wire 2 ceiling fans, 5 ceiling spot lights, and 3 closet lights on a singe 15 amp circuit?

Can I wire 2 ceiling fans and 5 ceiling spot lights and 3 closet ligthts on a singe circuit with 12 ga wire and a 15 amp breaker? Or should I wire the 2 ceiling fans on a separate circuit?
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1answer
31 views

Why is my kitchen ceiling light not turning on with the light switch?

My kitchen light is not turning on with light switch, I checked it with a two wire light gadget and when I stick them in a electrical plug socket I get a bright light on the gadget, when I touch the ...
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1answer
21 views

Install Dimmer Switch in Old House

My house is circa 1910 and I dont really know how old the wiring is in it. I am trying to swap a 3 way light switch with a 3 way dimmer (Lutron CL Dimmer). I killed the power and pulled the switch ...
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2answers
51 views

How can I completely disengage a gfci outlet?

I have 2 gfci outlets under my peninsula in the kitchen. I never use these outlets and would like to unwire them and remove the outlets so I can panel over them. These are on a circuit with other ...
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3answers
3k 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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1answer
34 views

Switching 3-phase power between two appliances using a 3-phase switch

In my garage I have an electrical 3-phase dryer. I want to add a new 3-phase air-conditioner. I want to be able to switch between the two of them, by using a 3-phase switch. This way, only one of ...
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25 views

Converting 120V undercabinet lighting to 12V strip lighting

We redid our kitchen cabinets and want to change from the previous hardwired 120V fluorescent under cabinet lighting and above cabinet cove lighting to 12V flexible LED strip lighting. The cove ...
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3answers
292 views

Can I use metal masonry device (switch) boxes in a stud wall?

I am installing new wiring and need to place 5 lighting switches in one location (yes, I understand the problems/issues of confusion, etc.). These will all be 3-way switches, non-dimmable. I plan on ...
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1answer
31 views

sub panel to sub panel wiring

OK, I have a main panel 200amp in the house. Then in my shop out back I have a 200amp sub panel. I want to install a 100 amp sub panel in the upstairs of the shop for a one bedroom apartment. I ...
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4answers
3k views

Does voltage play any role in choosing the appropriate wire gauge?

Online, most household wiring guides suggest 14 gauge wire for 15 amp circuits, 12 for 20 amps, and 10 for 30 amps. Do these assume the voltage is 120, or does voltage not come into play when choosing ...
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1answer
7k views

How should I wire a ceiling fan remote where two switches are used to control the fixture?

I have 2 wall switches. 4 wires coming out of ceiling (black-hot, red-hot, white-common, bare- ground), a ceiling fan and a remote. How do I wire them and still be able to use wall switches? I can ...
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2answers
86 views

Can multiple 2-way occupancy motion sensor switches be used together?

Can multiple 2-way occupancy (AKA motion) sensor switches be used together? For the top and bottom of a staircase, I want the lights to be on if either switch senses motion and the lights stay on ...
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2answers
127 views

Can 12/2/2 cable be used with two circuits on the same leg with the neutrals tied together?

I'm rewiring an old house. It has a mix of knob and tube and romex wire. I'm planning to remove all the knob and tube. In the basement I found 12-4 Romex (Black, Red, White, White W/Red Stripe and ...
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1answer
25 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
84 views

Wiring- Simple for you

Ok I have 2 switches right next to each-other on the box. One does the light in the fan/light combo, and lights above my my medicine cabinets. The other, JUST does the fan. Im tired of people taking ...
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2answers
76 views

Got a used Electric oven - not sure what wire and breaker to use

We just got a used electric oven. We had propane, but no longer have access to propane. Currently there is only a standard wall outlet behind the oven. I realize I need to run a new wire, etc., but ...
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2answers
67 views

How To Fix Severed Sprinkler Solenoid Wire?

I re-opened my sprinkler system this season to discover that one of the zones would not go off on it's own. After visually inspecting the valves, I see that the issue is that one of the two wires ...
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227 views

How can I replace an old dial thermostat on an oil furnace with Hydrostat 3250 Plus?

I recently bought a home with an oil fired Biasi furnace that has a Hydrostat 3250-Plus attached. It uses an old analog round dial thermostat, and I'd like to replace it with a new digital (wifi) ...
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0answers
22 views

Wiring new bathroom fan with old-school heat/fan wiring

I'm trying to replace an 1960's style bathroom fan/heater with a new fan. I made a chart of the wiring that left after removing the old fan and old switch (which had settings for ...
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1answer
179 views

Trying to figure out 'C' wire

I'm looking to upgrade my programmable thermostat to a wifi thermostat. I purchased a basic Honeywell wifi thermostat but upon installation could not find a 'C' wire. I started to investigate more ...
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1answer
40 views

Remote Triggered Switch for a Water Heater socket

I have a Water Heater ( 3 kW; 220 V; single phase) situated in one bathroom that has plumbing to service two bathrooms. Currently it is connected to a local wall outlet (15 Amp) in Bathroom-1 with ...
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2answers
104 views

Install Honeywell RPLS740B with three-way switches (disable three-way?)

I would like to add a Honeywell RPLS740B to a circuit with two three-way switches to control four outside lights. I realize the RPLS740B is not compatible with a three-way circuit, but my question is ...
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1answer
70 views

How can I install ceiling mounted recessed occupancy sensors?

I am looking to replace my current lighting circuit with a motion detector and wondering what is the best way to do this? I currently have 6 spot lights, controlled by 2 switches on either side of ...
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1answer
28 views

Wiring a Sauna heater

I was wondering about the correct way to wire a 240V sauna heater/thermostat in a sauna I have built. From the heater I have a black, white, and bare wire. The black and white connect to separate ...
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1answer
89 views

Can I connect two wires to a single screw terminal in my HVAC system?

I am installing a new honeywell WiFi thermostat but the old battery operated thermostat had batteries and no "C" wire. I look at both the thermostat and the air handler and found an extra un-used blue ...
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1answer
56 views

Is it feasible to pull individual conductors out of a 20m CAT3 cable?

I am well aware that this is pushing what can be DIY-ed. I live in a student housing cooperative, and the two houses it comprises have an unused phone network running between them. The network was ...
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1answer
42 views

Why would the light switch control the fan and the fan switch control the light?

We replaced 8 ceiling fans in our house and they all worked great until the last one. It was wired correctly according to the directions, but now the switch that controlled the previous fan, ...
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1answer
31 views

Wiring 3-way switch

I'm currently rewiring my basement and have done all the circuits but one. In an effort to save time/effort/money, I was wondering if it was possible to have a circuit with a 3-way switch that ...
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4answers
10k views

Can a 20 amp circuit have a 14 gauge pigtail directly to one receptacle?

I'm rewiring a a small part of a wall and I'm confused about a combination of the NEC and the products that I'm able to find. I'm working on a 20 amp circuit (with 12g wire of course). I'm ...
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5answers
5k views

Why is there so much metal-clad wiring in my house?

My house was built in 1893. I was recently doing some electrical work in the attic, adding some light fixtures. While doing that, I noticed that several of the upstairs outlets were wired with old, ...
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1answer
92 views

Wire Gauge/Type for 100amp detached Shop?

I have a new woodworking shop that I built behind my house. The shop has a 100 Amp panel and I have wire the shop for 110v/20a plugs and 220v/20a plugs. My house has a 225amp service and already has a ...
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1answer
74 views

Replacing 60-year old light switch - which wires go where?

A light switch in my house won't go to the off position, so I need to replace it. Every direction I've read about how to do this says to keep the wires in the same configuration (top, bottom, ...
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1answer
241 views

Regulations 2015 NEC regarding 12/24 volts DC, New DC wiring Light/+in my old.“ I'm Scared ”

What might regulations would there be in the 2015 national residential electrical code regarding 12/24 volts dc in residence. I want to install mostly lighting but also also all electronic devices ...
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1answer
343 views

Running underground wire to a shed

I want to run an underground electric cable to a shed which is 200 feet from the house. I was wondering what the pros and cons were of using an existing overhead line and putting in conduit. Also ...
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1answer
25 views

Hissing noise coming from light fixture

I have a light fixture in my bedroom with three 60 watt LEDs in it. I can hear a loud hissing noise coming from each light. I'm almost positive it's because there is just too much power flowing into ...