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

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59k views

Where does the ground wire go in a 3-prong dryer cord configuration?

We moved to a new place where the dryer connection is 3-prong instead of 4-prong. The dryer was originally 4-prong, so we bought a 3-prong cord and installed it. It works fine, except I am not ...
0
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1answer
65 views

12v Led Wiring Problem

I have 2 strips of approximately 200 LEDs in each strip. From the power source I run the negative to the negative on each strip and the positive to a switch. From the switch I run to the positive on ...
2
votes
1answer
18 views

Baffling light switch wiring situation

I have a bathroom that has two lights, both had dimmer switches. Next to the bathroom is a bedroom which is on the same circuit. So, for the sake of simplicity, let's say there are three lights: ...
0
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1answer
113 views

Fan coil wiring problem with new thermostat

I'm trying to upgrade to a new line voltage thermostat. The new thermostat has many more connections, including three fan speeds. My current system has a manual fan switch on the wall so all I need ...
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1answer
57 views

Garbage disposal wiring

I've installed a new disposal on it's own 20A circuit with a wall switch, everything works fine... no problems. I was told it needs to be a GFCI receptacle. What say you?
2
votes
1answer
135 views

Why won't my thermostat control the HVAC anymore after trying to switch thermostats?

I bought a new Nest thermostat which is supposed to be compatible but needs a professional installation (advice that should have been heeded by non-professional electrician me). This is to replace an ...
0
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1answer
53 views

How do I wire 2 switches to control a ceiling light?

I recently bought our house in Australia, and one light wasn't working, so I took a look at it. The wiring was not connected to the light. There were lots of wires coming from the ceiling for the ...
0
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1answer
58 views

upgrade to a 200 amp service, cable wiring sizes

The house currently has a 3/4 inch conduit to feed the main wires coming from the power company to the breaker box. This is very much inadequate. I plan to upgrade to a much bigger breaker box. My ...
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1answer
65 views

Can I safely connect 10amp flexible/stranded wire to a 15amp connector which in turn is connected to 2.0mm solid house wiring?

My issue is that I have a home automation dimmer that has tiny, 1.0mm connectors. They're too small to use with the currently installed solid 2.0mm (sometimes 2.5) house lighting circuit wiring. The ...
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2answers
48 views

Can I install a light switch on the end of a wall?

I just recently moved into a home and there is a 3 switch light switch at the end of the wall near where the fridge was. We have purchased a wider fridge and the switches would now be covered. I ...
4
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1answer
26 views

Would this be the correct way to add a timer switch to an existing fan with thermostat?

We have an existing 120V AC exhaust fan wired to simple inline attic fan style thermostat. We would like to add a timer switch so the fan could be manually turned on as needed. Would this be the ...
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2answers
210 views

How do I wire this switch/outlet combo?

This 5 minute task has kept me busy for an hour. Old switch/outlet combo melted. Replacing with gfci combo. Red/White pair is the line. Orange/White pair is the load to the light. Strangely, ...
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1answer
110 views

Why does adding a C wire for a thermostat blow the fuse?

I am adding a WiFi thermostat. I have R,W,G,Y wires. Plus 2 extra coming from upstairs that go between humidifier and humidistat. So I ran an extra wire for the C wire. When I attach it to the C ...
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1answer
22 views

Can a recessed IC-rated housing be in contact with nonmetallic sheathed cable?

I have recently installed 8 of these 5 inch insulation contact rated remodler housings in my kitchen. Two of the holes I made were close to an existing nonmetallic sheathed cable (NM) running through ...
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2answers
55 views

Grounded outlet has ground wire attached to neutral post, neutral wire isolated and not connected

As the title says, I encountered an outlet yesterday in a house that has been rewired. I have re-set all the boxes in the house (they were out by about 1/2 inch as the owner was going to install ...
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2answers
75 views

Is it safe or normal to close/cover junction boxes but use existing line to power new boxes just a few (6-12) inches away from the old ones?

We have 2 pendant lights hanging over a breakfast bar in the kitchen. The boxes are easily accessible in the attic. We'd like to move them back a few inches and then add additional wiring for a 3rd ...
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2answers
47 views

do I need gfci outlets for a storage room receptacles

I wired a storage room and run one 20 amp circuit for some outlets and to power the water heater and furnace does this circuit have to be gfci protected?? Or can I install regular receptacles
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2answers
63 views

What size conductor do I need to bond water and gas piping? [duplicate]

What is minimum size ground do I need for a 200 amp panel? I need to bond the hot and cold in the water heater and already have a ground rod in the ground. I also need to bond the water and gas.
0
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1answer
81 views

Can I change a switch within a circuit from powering multiple lights to a single light?

I have a family room ceiling fan connected to a single pole light switch. However, that switch also controls a bathroom light, staircase light and a bedroom receptacle. There is only 1 cable coming ...
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2answers
106 views

Is there an easy way to track where switches go/do?

My Aunt's house is a Frankenstein's Monster. Her late Husband made a number of unique wiring modifications. previous post about the her house: Question on toilet mounting; No visible bolts? 1st, ...
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1answer
744 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 ...
4
votes
2answers
6k views

Can I use SCH 40 for buried and above ground feeder wire?

I'm running 2" PVC from my house to a detached garage to run a 60 amp feeder. Looking at the NEC, it looks like I need to put it in SCH 40 below-ground. However, it looks like I have to use SCH 80 ...
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0answers
16 views

need help reconnecting wires inside my ceiling fan housing

So i tried scavenging the capacitor from an old ceiling fan and in so doing made a mess of all the wires inside the housing. The capacitor didn't work in my other fan so now i'm trying to wire the ...
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1answer
92 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 ...
2
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2answers
552 views

Random light switch behavior

I have a light switch on my bedroom closet that exhibits erratic behavior: about half the time when the switch is flipped from off to on, the light remains off. Flipping the switch back off and on ...
2
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3answers
72 views

How do you properly connect 3 x solid 2.5mm wires to a 4mm stranded wire?

I have a single 4mm stranded wire I want to connect to 3 x 2.5mm solid wires. At the moment I've simply wound them around each other temporarily and sealed with electrical tape - but how is it done ...
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1answer
332 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 ...
2
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1answer
40 views

Ceiling Fan Wiring with Remote Control & 2 wall switches

I have the a wiring situation similar to below but also have a red power wire coming in from the ceiling. I have 2 wall switches, 1 for fan and 1 for light. How do I include the red power wire coming ...
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1answer
40 views

What does it take/cost to change an oversized breaker and wiring? [closed]

We are trying to close on a house but our inspector found this in the breaker box: Electrical: Breaker #5 is oversized for 14 gauge wire and is double tapped. This circuit services the ...
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1answer
92 views

How can I make a 240 volt 4 wire to 3 wire extension/adapter cord?

I have an existing 240 outlet wired into the wall of my shop. It's there to run a phase converter that I use about 2 hours a week. I want to use this circuit to run a 240 window air conditioner when ...
3
votes
1answer
59 views

Electrical circuit dead, wire seems broken

We have 2 small appliance circuits in our kitchen. They are carried over the same physical cable, one circuit is on black, the other on red. The black circuit works fine. The red does not. Its rather ...
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2answers
12k 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 ...
0
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1answer
590 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 ...
6
votes
3answers
222 views

How to hang modern fixture over old square recessed box?

I purchased a home built in 1958 and a few rooms have these square recessed light boxes. I would like to hang a larger diameter modern flush-mount fixture over them, but I'm not sure what the way to ...
0
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1answer
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 ...
3
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1answer
60 views

How can I replace a single pole light switch with Z-Wave light switch?

I'm trying to replace a single-pole switch with a z-wave switch. I'm new to electrical stuff, I understand a little of the terminology just from reading the black & decker wiring book. I turned ...
11
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2answers
20k views

Can Romex (NM-B) be run through conduit?

A few days ago I asked an electrician if I could run Romex through conduit - he gave me a funny look and said "No, Romex is not allowed in conduit." When I searched online, there seems to be a wide ...
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2answers
44 views

How can I wire my WIFI thermostat to control my millivolt fireplace?

I have a gas fireplace that has an millivolt on/off switch on my wall (and a remote that includes flame on/off, a countdown timer and a thermostatic flame control). I want to be able to program ...
3
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3answers
205 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
103 views

Can I use a red wire as a neutral?

I am replacing a 240v wall a/c unit with a 120v one at my workplace. There is no main shut off at the box. Breaker is DP 20A. I would like to move the red wire to the neutral bus with the breaker off ...
3
votes
2answers
81 views

Generally speaking, when is it necessary to install a sub-panel for providing electricity to an outside shed/office?

Santa Cruz County, CA, USA I'm in the process of building an outdoor office in my back yard (mainly as a "man cave" and quiet place to work from home). The picture makes it look large but it's ...
0
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1answer
55 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 ...
2
votes
1answer
87 views

How much extra wire should I have in my electrical panel?

Question: What are some rules of thumb for leaving extra wire within an electrical panel (if any) and routing the extra wire (e.g. create a single loop from the extra wire) to maintain balance ...
2
votes
1answer
167 views

Dimmer switch gets very warm - almost hot

I recently had a Z-wave dimmer switch installed. It is working fine and controls the recessed lighting in my family room. The lights are six 65-watt BR40 bulbs. When the cover was off the switch (we ...
3
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3answers
213 views

Trying to understand why a light would be wired this way?

Just moved in to an older home with fiancé and WAS planning to change out a light fixture with a new ceiling fan. However after turning off light switch and breaker and proceeding to remove light ...
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2answers
144 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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1answer
256 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
122 views

Intermediate switch wiring

I'm replacing light switches through the house - so far with ease. This however has me puzzled & I'd rather get confirmation than guess [of course] Both these switches are MK, but they've ...
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3answers
12k 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 ...
0
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1answer
319 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 ...