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

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5answers
18k views

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

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 ...
3
votes
1answer
94 views

Drop Ceiling Carrying Current?

After we use our shower, our ceiling makes a buzzing noise (sounds like a bug stuck up there). When my husband moved the drop ceiling tiles he noticed one rail is carrying current (it was throwing off ...
1
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1answer
133 views

Changing 3-way ceiling fan/light switch to separate fan & light controls

In my kitchen I have two 3-way switches controlling the ceiling fan and light. The two controlling switches are on opposite sides of the room, but what I'd like to do is split one of the two switches ...
3
votes
2answers
55k views

How many outlets can you have on one 15 amp circuit

In my rebuilding project i have counted 18 outlets and lights on one bedroom circuit that travels through 3 rooms. Is that ok ?
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2answers
86 views

Replacing main lights throughout house

I'm replacing the main lights throughout the house and was removing a wire from the junction box the light came with. The wire was 100% jammed in and this metal casing came off. See pictured below) ...
1
vote
1answer
71 views

Hot water twin impeller pump wiring to my boiler

I have installed a new Stuart Turner Monsoon twin impeller pump to increase the hot water pressure in my house. The pluming side of things seems to have gone well, however, I am not receiving any ...
0
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3answers
30 views

Is this ceiling pendant double insulated?

I bought this ceiling rose off Amazon (http://www.amazon.co.uk/Modern-Antique-Brass-Ceiling-Lighting/dp/B00CJ9GE9Q): It's not like others I've seen as it has a black input sheath to a connection ...
3
votes
2answers
697 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 ...
2
votes
2answers
81 views

Putting a plug on a light fitting

I bought one of these: http://www.ikea.com/gb/en/catalog/products/50279373/ I would like to plug this in to the wall rather than hard wiring it in to the ceiling. Am I right in thinking I can connect ...
1
vote
1answer
45 views

Less-than-common home wiring systems? [closed]

I am wondering if those wiring would be useful in a home environment: Low-voltage DC wiring (isolated from mains,) for example a DC 12V system, in addition to the mains power. Optical fiber instead ...
5
votes
3answers
15k views

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side?

Are non-GFCI outlets that are downstream of a GFCI outlet ground fault protected if they are fed from the GFCI outlet's load side? If those non-GFCI downstream outlets were not fed from the GFCI ...
0
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2answers
146 views

Ground wire sparking

I have a metal junction box with a main feed. If the ground wires touch the metal box the breaker pops and the ground wires spark. The main feed comes out of a ceiling light fixture box. The ceiling ...
0
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1answer
95 views

Changed an old Led light to pendant and it keeps shorting

I recently just replaced an old LED ceiling light with a simple pendant and as soon as I switch it on it shorts. I've made sure that I kept everything in place but as soon as I switch it on, POP it ...
2
votes
3answers
205 views

Are wire splices actually fire hazards?

I'm redoing wiring during a remodel and am reading about burying boxes behind drywall, and how it's a fire hazard and not up to code etc. My question - Are wire splices actually a fire hazard in and ...
0
votes
1answer
54 views

Identifying the conductors in a light fixture

The lead on my chandelier was too long so I cut it, only to find the wires are not colored (there are 3 of them, all white). Is there anyway I can still wire it up? I don't want to have to throw it ...
3
votes
1answer
42k views

How do I connect a light to a switch when the light receives power first?

I have a power source running from the light how do I connect it to a switch?
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0answers
44 views

How to test/record evidence of intermittent electrical outages?

We recently had the electrical systems in our 80 year old house completely brought up to code, removing and replacing everything from original knob & tube up through modern romex. As part of the ...
0
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2answers
63 views

GFI false trips, but everything checks out. (????)

Any load trips a new GFCI breaker: Conditions: Brand new construction. New 75' 4wire feed to new subpanel from a long working and reliable main subpanel. One GFCI breaker feeding 4 outlets from new ...
1
vote
2answers
5k views

Does a single-gang double timer switch exist?

I have a single gang outlet that current has a double/split switch installed controlling an inside light and an outside light. Ideally I'd like to have the outside light on a timer. Does a single ...
8
votes
3answers
165 views

Why can the connections of a recessed light be buried in drywall, but not junction boxes?

I'm redoing lights in our kitchen and have to splice some lines. I have read numerous threads that all say you cannot bury the junction box in the drywall, it has to be accessible. The recessed lights ...
1
vote
1answer
26 views

old wiring inside wall gets voltage when shared switch is used - safe and to code?

I had someone run a constant hot to a new fan so it could operate with a remote. They left the old wiring inside the ceiling and it’s still contacted to a shared switch that operates other lights. The ...
3
votes
2answers
144 views

Installing new bathroom vent

Installing new bathroom vent. Adding a second switch to this existing light switch. Can I just piggyback off the existing hot wire, just like the light switch? I don't need to do anything with the ...
0
votes
2answers
23 views

Replace 3-way Dimmer with Timer Switch

I have a 3 way setup, with a Dimmer Switch and a simple switch. I want to replace the Dimmer Switch with a timer switch. The dimmer switch I'm removing has 4 wires: Black (hot), Green (ground), and ...
0
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2answers
40 views

Removing dimmer switches, 4 wires

I'm trying to replace 2 dimmer switches with normal switches but I'm confused by how they are wired. Each dimmer controls a different set of lights yet they are connected in a way. 1 dimmer has a ...
7
votes
5answers
68k 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 ...
0
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0answers
30 views

Wire Type for Sauna Heater

I am replacing an existing sauna heater and I am in need of identifying the proper type of wire. It requires an 8 gauge copper wire with a temperature rating of 90 degrees Celsius. I would ...
3
votes
5answers
148 views

How do I use a multimeter to check for power?

I need to check that power going from my light switch, to a light fixture on the same wall, as well as a light fixture on the opposite wall. How do I use a multimeter to do that?
1
vote
2answers
65 views

How do I hook this 18-bulb lamp together?

I have an 18-bulb chandelier from Globe Electric. I need to connect 19 wires together twice inside this lamp. I've bundled the wires into 4 sets of 9 using washers and electrical tape. The ...
0
votes
3answers
630 views

What should I do about a stubborn screw on the middle of a dryer cord connection?

I am attaching a 3 prong dryer cord to a dryer. The middle connection is being stubborn. The screw gets to a certain point and is stuck. It will not tighten and the connection is very loose. Can I ...
3
votes
2answers
90 views

Can I run NM wire through this type of flex legally

This flex is sold along other types of NM wire molding, but I can't find anywhere where this product explicitly allows NM or not.
0
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2answers
103 views

Can I bring power to the 4-way switch?

I have a standard circuit with a 3-way switch on each end and one 4-way switch in the middle. Will it work if I run power to the 4 way switch instead of one of the 3-way switches? The light is also ...
3
votes
2answers
65 views

3-way switch not working properly

I have a 3 way switch at the top of the stairs and one at the bottom that control the lights in the stairway/hall way. The problem that I have is that you can only turn the lights on from the same ...
0
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2answers
66 views

Question About Fluorescent Ballast Substitution

I have a fixture that uses one 36" T12 lamp. The recommended replacement ballast is a GE140RS120DIY. I am unable to find that ballast. I purchased a GE240RS120DIY ballast and wired it in. I wire ...
4
votes
2answers
85 views

How many circuits should I include in a sub-panel for workshop?

I am looking to run a sub panel for a basement workshop approx 60 feet from the main panel, all inside. I have a table saw, jointer, band saw, planer, and dust vacuum, as well as routers and such. I ...
0
votes
0answers
27 views

Power to shed from dishwasher spur

At the moment, my consumer unit is right in the center of the house and I'd like to get power to my shed for a small fridge and light. Due to the position of the consumer unit, adding another breaker ...
5
votes
5answers
41k views

Should I use 12/2 or 12/3 to wire a 220V electric baseboard heater and thermostat?

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 ...
0
votes
1answer
83 views

Is this an appropriate way to add a single-pole switch (without a gang box) to a circuit with an existing single-pole switch?

I have a fun electrical challenge in my basement. I currently have power coming off of the breaker, to a single light fixture, and then on to a single-pole switch (Figure 1). I would like to add a new ...
1
vote
2answers
98 views

Why do only some DSL ports work for internet in my house?

I recently tried moving my modem from the ground level to the second floor, where I just put in a PC in my office. I have 3 phone jacks upstairs (2 in the guest room and 1 in my bedroom), but it would ...
1
vote
1answer
142 views

In a gangbox with switches on two different circuits, how can I identify which neutrals are associated with which circuit?

By 'two different circuits,' I mean 'two separate single-pole breakers'. Here is a crude wiring diagram of the switches and electrical box in question: https://i.imgur.com/yefrWHx.png The red ...
1
vote
1answer
515 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 ...
0
votes
2answers
72 views

How can I detect the total ground fault leakage current in my home?

In Europe, houses often have all breakers chained beneath one or more RCDs (their word for GFCI). I would not want the nuisance of multiple circuits shutting off at once, so I'm glad in the US we ...
0
votes
2answers
128 views

Wiring a single pole dimmer: How to identify ground wire

I am switching an old rotary style single pole dimmer for a new single pole dimmer switch. The old dimmer had only two wires, with no identifiable ground wire. There are two other wires in the box, ...
1
vote
1answer
436 views

Controlling 110v swamp cooler using Nest thermostat

I currently have an HVAC system that is connected to a Nest thermostat (2nd generation) and I'm planning to use the same Nest thermostat to control a 110 swamp cooler that is currently not connected. ...
5
votes
1answer
131 views

How do I handle ground wires in 2-gang box with circuits coming from separate breaker boxes

In my house, I have 2 breaker boxes- in the basement there is a 200-amp main box, with the ground and neutral bars bonded. Feeding the main floor, there is a 100-amp sub-panel (branched off the main ...
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vote
2answers
100 views

Unused live electrical wires in kitchen

I have unused live electrical wires coming out of wall in kitchen where new cabinets are going. How should I handle this?
2
votes
2answers
52 views

Is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?

Since the neutral and ground are isolated in a sub panel, is wiring a 240 volt heater from a sub panel different from wiring it to the main panel?
1
vote
1answer
62 views

How can I add additional lighting fixtures to an existing 3-way circuit?

I have a light on a pair of 3 way switches. I want to add 5 recessed cans to that circuit. It is currently set up with power at the light fixture and 14/3 wires ran from the fixture to both ...
1
vote
1answer
74 views

can I splice underground 12-2 UF cable run to a water pump

Can I run 12-2 NM-B wire from my 20 amp dedicated breaker under my house and then using a four by four box splice 12-2 UF wire to run underground to my water pump house? Running the wire would be in ...
1
vote
2answers
80 views

Can I safely disable a three way fan switch to use for providing ground to remote three way box?

I have a bit of a unique electrical situation that I am dealing with. My house was wired with several three way lighting boxes that included a switch for a fan which is not used. I am working on ...
5
votes
1answer
345 views

When using US-colored 14/3 for a simple switch does the red wire need to be marked?

In a typical switch loop (from the past) where 14/2 is used, the white wire should be marked on both ends with black tape to indicate it is a "hot" wire just like the black wire. In a 14/3 cable, the ...