Tagged Questions

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps ensure you get answers that are relevant to you.

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0
votes
1answer
20 views

Voltage issues in household circuit

I have a series of three household receptacles through which i am getting maybe 20 volts. All other receptacle in the room on other circuits have normal voltage. I replaced the breaker and tightened ...
1
vote
1answer
51 views

With no load on a circuit, I measure approx 15volts [duplicate]

I picked off 120v from an outlet (parallel) to power a dual switch that inturn will switch on a light and the other to switch on a bathrom fan using a 3/12 with grnd. The circuit is connected through ...
1
vote
2answers
225 views

What size electric service do I need?

My son and I are building a house at the beach. I currently have a 100 amp temp service and my question is “can I get everything I need on the service to pass code if I keep it at 100 or 125Amps”? ...
1
vote
3answers
110 views

Is it okay to connect 2 ground wires to a single ground screw?

I have 2 ground wires that I can get around the ground screw on an outlet. Is it okay to do this or do I need to use a pigtail to join the wires and have only one wire attach to the ground screw?
2
votes
0answers
35 views

How can I install Z-Wave switches in these different situations?

I am trying to install z-wave lighting switches into my apartment. What I have discovered is that every light switch in my apartment that I have taken apart (4) is wired differently. The switches I am ...
1
vote
1answer
41 views

Can I add a dimmer switch for lighting to a GFI circuit in Kitchen?

Goal: I want to add some under cabinet lights in my kitchen and control them all from an in wall dimmer switch. Problem: I have 3 outlets in my kitchen. One is a GFI outlet, but the other two are ...
0
votes
1answer
38 views

Can I use #16 duplex wire extension to a 2800 watt chop-off cutter?

Is it possible to use #16 wire as extension wire for 2800 watt cut-off machine?
0
votes
1answer
38 views

Replace stacked 3-way switched on separate panel circuit

I have a stacked (dual) 3-way switch controlling lighting in my home. The lights are on separate panel circuits, one for the foyer and one for the 2nd floor. The switch that is in the box (2-gang, ...
3
votes
1answer
63 views

How can I repair a ceiling fan that hums, but doesn't turn?

Ceiling fan/light has power. Lights work, but fan doesn't turn even though it hums?
1
vote
1answer
63 views

Are portable electrical outlets permitted in a basement?

I would like to install a portable outlet box near a work area in an unfinished basement. I have seen these installed in commercial buildings and educational laboratory type areas, always dropped from ...
0
votes
1answer
36 views

How should I ground a GFCI to a metal box?

I've replaced some old GFCI receptacles in my kitchen, which live in metal electrical boxes. The old GFCIs did not have grounding conductors attached, but it seems that the boxes themselves are ...
-2
votes
1answer
37 views

old.house.wiring

ok so my primary positioning in life has been mechanicing and in greater hours more specifically heavy equiptment and semis. Although I have extensive experience building race cars and motorcross and ...
0
votes
0answers
21 views

Can fluorescent recessed lighting with four wires be converted to a two wire incandescent socket?

I have ceiling lights in the kitchen that are fluorescent recessed can lighting with four wires, can they be converted to a two wire incandescent socket?
0
votes
1answer
42 views

Is it possible for the black wire to be hot but to create reverse polarity in GFCI?

I've got a head-scratcher: Is it possible for a black wire to be hot, but to cause reverse polarity in a GFCI when it's connected to the brass screw? A no-contact voltage tester shows that the black ...
1
vote
1answer
143 views

Can I install false light bulbs in a fixture?

I have a chandelier that holds 18 lights bulbs. I only really need 12 bulbs working at a time. Would it cause any harm only using 12 and hollowing out 6 old bulbs to use as place holders? Or, is ...
0
votes
0answers
20 views

How should I secure cables in attic trusses?

When running NM cable across attic trusses, is it required to 'secure' the cable (with stables or straps) every 4.5 ft or is the support from trusses every two feet sufficient?
1
vote
1answer
39 views

What gauge wire for long run from power supply to LED light strip?

I am wiring in some 5050 RGB LED strip lights in my basement. There is a small utility room adjoining and I'm keen to keep the transformers and signal amplifiers in there in order that they can be ...
2
votes
1answer
131 views

How to Stop GFCI tripping when current drops too quickly?

I have my entire aquarium running off one GFCI. My lights are plugged into the top outlet and all of my pumps/etc are plugged into the other. If everything is running and I cut the switch (on the ...
1
vote
1answer
21 views

Why won't GFCIs indicator light show on plug?

My handyman installed 10 new Gfci's in a 1987 home. There has never been any in the home. They all work when you plug something in and do not trip- but the the indicator lights will not come on any ...
2
votes
2answers
37 views

Can a load on the line side ever trip a GFI?

Can a load on the line side of a GFI ever trip that GFI?
1
vote
1answer
32 views

How do I wire my dishwasher and disposal back to my house wiring?

I lost the diagram I had when I took this circuit apart and I am having trouble trying to get it back together. Disposal and dishwasher, each on a separate breaker. Have 2 hots and a neutral coming ...
0
votes
0answers
10 views

Connecting Honewell wifi thermostat [closed]

My thermostat has worked all summer long. Now that the cold is setting in, my heater wont work. I realize I had my wire labeled W/B connected to the C terminal, but I got power and it worked. I ...
0
votes
1answer
43 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
0
votes
0answers
19 views

Some circuits in addition work, some don't [closed]

There is a room addition on my house square room going into room om my right is a light switch works,,plug under light switch works works on to next wall by sliding glass door is a plug and o/s light ...
1
vote
1answer
38 views

How can I connect the wire that goes to the grounding rod to the grounding electrode system? [duplicate]

I'm trying to install an outdoor antenna at my parent's house and was wondering how to connect the wire that goes to the grounding rod to the grounding electrode system through the service panel when ...
0
votes
1answer
45 views

How can I isolate grounded (neutral) conductors in a panel?

This is in reference to my question yesterday about sub panel grounding. So if my sub panel came with a ground bar on either side of the breaker mounts, are one or both of them isolated from the case ...
1
vote
1answer
35 views

What type of tube does this fitting take?

It is a UK 240v kitchen fitting, I know the tube needs to be about 600mm long, but I don’t know if it needs a T4, T8 or whatever type. (The old tenant removed the tube and did not replace it, so I ...
-2
votes
1answer
48 views

Is it possible to replace a switch with a receptacle?

I moved to this place and I don't know how the wiring works, so I did some tests and couldn't explain the results. Here's the situation: there's this switch on the wall which only has two wires in it ...
0
votes
0answers
32 views

What could be causing my AFCI to trip?

I recently purchased my first home and there is are two Leviton Outlet Branch Circuit AFCI receptacles installed. The line from the breaker box is split and each new line runs to an AFCI receptacle ...
2
votes
1answer
99 views

Why does a subpanel need separate ground and neutral?

Why does a power sub panel have to have separate neutral and ground bars other than code satisfaction? Does a sub panel need a main breaker if there is one at the main? Also, does the sub panel ...
0
votes
0answers
53 views

Why would changing ceiling fan speed cause an AFCI breaker to trip?

I recently installed 2 ceiling fans with Lutron combination light and fan dimmer switches. On both circuits, if more than a half second or so is taken when selecting the fan speed (that is, a delay ...
1
vote
1answer
57 views

Why isn't this 3-way wiring working?

Below is a diagram that I drew to help me rewire a couple of switches. The left switch is a standard 3-way switch. The right switch Cooper 275W-BOX combination single pole and 3-way switch. The single ...
0
votes
1answer
55 views

Just bought a house, 70 years old, want to upgrade 2 prong outlets [duplicate]

I've done some searching on this already and I think I know the answer. But I'd like to ask just to double check. If i am not sure if the outlets are properly grounded, my best bet would be to ...
0
votes
0answers
15 views

Special exhaust fan combo hook up instructions, I want the night line always on

I have a Panasonic exhaust fan/ light/night light and want to use the existing one toggle. I know the fan and the light whites and blacks can be put together and the one switch will work both at the ...
0
votes
1answer
59 views

Why would I have two wires feeding one smoke detector?

I found a smoke detector in my house that appears to have two wires feeding it from two different circuits. Is this OK?
0
votes
1answer
58 views

What gauge wire do I need to supply 15A to small building 440 ft from the main house?

I have a small building that is 440 ft from the main house, and I want to supply power to it. One 15amp circuit will be sufficient. What size wire is needed to do this?
1
vote
1answer
84 views

Why won't my electric baseboard heaters work?

I'm installing a 72" 240V baseboard heater in a home office. I ran 12/2 gauge wire, installed a 20 amp 2-pole breaker and 2-pole thermostat. I'm pretty good with electrical, and so I can confirm that ...
0
votes
0answers
15 views

How can I switch underfloor heating pump after boiler?

my heating system has a boiler which is switched on by a thermostat, it works like this: L/N -> thermostat -> zone valve -> boiler The zone valve has 4 wires, L, N, call for heat and common; once ...
1
vote
2answers
54 views

How to replace recessed halogen light from an eyeball fixture?

I have a fused halogen bulb in this eyeball fixture. It's fairly resistant to twisting and pulling. The previous tenants managed to damage a similar fixture in another room, and I don't want to end up ...
0
votes
1answer
21 views

Convert pair of 3-way switches to a one single-pole with neutral

I have a circuit controlled by a pair of 3-way switches wired like this: where there is 12/3 from the panel to the first switch box with the white not connected. I'd like to replace the switch in ...
4
votes
2answers
125 views

Can an outdoor receptacle be supplied through a GFCI in a bathroom?

My parents just bought a house that is still under the original warranty. There is a standard GFCI outlet in one of the bathrooms with outlets in the other two bathrooms connected to the load side of ...
1
vote
1answer
78 views

How can I protect a vending machine wire from being cut again? [closed]

A friend of mine operates a vending machine in a school. Oftentimes, there are issues when a snack gets stuck in the machine, the students will rock the machine. Rocking the machine is an issue, ...
0
votes
1answer
39 views

How do I put multiple lights on one switch on a timer?

I have 4 lights outside that are all wired to 1 light switch inside. What is the best/cost effective way to put all these lights on a timer?
1
vote
1answer
118 views

Where should I connect the C wire in a Janitrol furnace?

I currently have a Honeywell Thermostat with 4 wires going to a Janitrol Furnace. I am trying to install a Honeywell WiFi Thermostat RTH6580WF and I'm missing my C wire. My bundle has 8 possible ...
3
votes
1answer
59 views

Can you have a GFCI breaker protecting a GFCI receptacle?

We have electrical outlets in two bathrooms on the same GFCI breaker. I would like to put a GFCI outlet for the only outlet in the guest bathroom so it can be easily reset if tripped. Can this be ...
3
votes
2answers
86 views

Are metal horseshoe nails an acceptable method of securing electrical cables?

On the framing our electrician used plastic staples with two nails to keep the wire from moving around, but I notice under the house he used metal horseshoe nails. It seems that, if they were tacked ...
3
votes
2answers
71 views

Is it OK to have multiple different rooms on one breaker?

My dining room, kitchen, two bathrooms, living room and den are on 1 breaker. Should I be concerned?
2
votes
0answers
51 views

Is it okay to place two battery chargers on one 30 amp circuit?

I have a 30 amp 240 volt circuit out side in my garage and I want to hook up two 10 amp 240 volt circuits. The equipment I am hooking up are battery chargers. Can I install fused down disconnects on ...
2
votes
1answer
77 views

How can I control 2 lights with 2 switches so that both lights can't be on at the same time?

My bathroom has 2 lights, each with its own switch. I want to know if it is possible to make it so both lights cannot be on at the same time either by rewiring my current setup or replacing the ...
6
votes
3answers
663 views

Why is my power flickering across multiple circuits?

I woke up this morning and went downstairs to find that none of the lights would come on (lights were working fine upstairs). My first instinct was thinking that a breaker had tripped, so I went to ...