Questions tagged [neutral]

For questions relating to the neutral wire, or "grounded conductor" as it's sometimes called. The neutral, or "grounded conductor" in NEC, is the normal return path for electricity in a household AC circuit.

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3answers
70 views

Running neutral wire between two circuits

I am installing a smart 3-way light switch which requires a neutral at both switches. One of them has the neutral, the other does not. But...I was able to pretty easily run a neutral from the bedroom ...
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1answer
62 views

Full neutral bar on GE PowerMark load center; what to do?

I have an older GE PowerMark Load Center, circa 1987. It is the same panel being discussed here - this post has good pics of the panel and markings. (GE Powermark Electrical Panel - What Did the Last ...
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1answer
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older wiring, neutral wire voltage spike (and lamp flickering) when turning on/off white-noise machine

I'm debugging an issue with flickering lights in a house with older wiring (1950s, braided sheath, two wire, no grounding). I have a lamp with a solid state switch (touch lamp) and LED bulb inserted. ...
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3answers
76 views

Using smart switch to control GFCI outlet

I have a bunch of outdoor outlets which are all connected to a single GFCI and controlled by a standard light switch inside the house. I recently replaced the standard light switch with a lutron ...
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1answer
37 views

Installing two smart Alexa powered switches

I am installing two new smart Eaton WFSW15-C2 smart switches. I have a new house, so it has the neutral wires required for a switch that requires the four wires. The two I am replacing are standard ...
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1answer
42 views

I found an old earth ground with #12 wire, should it be changed after a service upgrade?

About 10 years ago we had a new meter-main installed upgrading to 200A service from 100A at a new service entrance location (closer to the street) for a 1951 daylight ranch house. At the time they ...
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1answer
75 views

Is this the correct action to fix a "smart" switch whose neutral and ground wires are tied together?

I went to replace a GE 15086 Timer switch with a Leviton DH15S. The box it's going into contains 2 of the 15086 switches and one mechanical single pole switch. When I opened it up, I saw only black (...
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1answer
122 views

Where on the main panel do I put the ground wire for the sub panel?

The main breaker panel has the grounds and neutral hooked together and has bonding screw installed. Where do I put the ground wire for the sub panel? Do I put it on the neutral bare where the white ...
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4answers
130k views

I'm replacing my outlets and I have too many hot/neutral wires, what do I do?

I'm going through my new home and replacing my outlets. This was mostly fine, as the first outlet was very easy to replace. But, I ran into outlets that have multiple hot/neutral wires. For the most ...
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2answers
90 views

Do I have neutral wires here?

I'm trying to install a Brilliant smart switch and it requires a neutral. This particular circuit has two boxes on it, the switch in the picture, as well as a powder room light switch on the other ...
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2answers
14k views

Why am I measuring 60v at some outlets?

The house I bought a couple years ago had a couple outlets in a small room in the basement that didn't work. Now I'm troubleshooting them. It's a finished basement so I can't tear down walls. There's ...
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2answers
16k views

Acceptable voltage between earth, Line,Neutral - Single Phase

I have a 240V+-10V 2 Wire Single Phase (UK) supply with TT earth bonding (earth rod). The breakers are double pole. The issue is with a lighting radial circuit. This is a new electrical ...
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0answers
66 views

Two Neutral Wires on Light Switch

I want to install an in-wall lighting timer for my front outdoor lights, replacing an existing light switch. I turned off the breaker to the switch I wish to replace and I've determined which black ...
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2answers
161 views

How do I tap into a continuous neutral wire to install a new switch?

I have a new switch that requires a neutral. There is a neutral wire in the box, in the back, but it's continuous -- comes in one side and goes out the other. Is the proper procedure to cut it, then ...
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2answers
70 views

Help diagnose potential open neutral (80v and 150v!)

My house has 2 main connections (240v). It has 2 meters for each connection. It's a multi-wire (shared neutral) setup, I think. The house used to be two houses joined into one, with 4 circuit breakers ...
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1answer
105 views

How to fix bonded neutral and ground in subpanels

I am selling my home and the buyers inspection says the bonded neutral and ground must be corrected. How should I fix this?
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3answers
2k views

Can neutrals be tied together on different circuits? [duplicate]

I have a 2-gang switch panel, controlling 2 sets of lights. One switch is a normal switch, the other is a 3-way switch. Each switch is controlled by a different breaker. I found that the neutrals are ...
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5answers
3k views

What does "can't mix neutrals" mean, and how would neutrals get mixed?

Electrician told me a problem I was having was caused by a new arc fault breaker they installed. I was told you, "can't mix neutrals" Can you describe what that means? How would these ...
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1answer
139 views

Does my generator interlock require a ground rod?

I will back feed the main panel of my home with the portable generator, power inlet box and breaker. The schematic for the generator shows that neutral is connected to the ground inside the generator. ...
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1answer
133 views

Trying to wire switch outlet combo to existing two outlet. But the outlets each have 3 wires

I have 2 outlets, I want to replace with switch outlet combo (outlet always hot). But looking online, I keep seeing everything has only one white neutral, but in my case, both outlets have a black ...
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2answers
56 views

Intermittent flickering lights across multiple circuits and multiple brands of bulbs

I'm having an issue in a house I bought last fall where I'll be sitting in a room and the lights will flash on and off so fast it feels seizure inducing. I don't think it's every bulb every time this ...
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2answers
1k views

Open Neutral Circuit yet all circuits outlets and wiring appear connected

I am stumped...I have not had an electrical problem in my family room and have lived in this home for 11 years...until a few days ago. A few days ago I plugged a laptop charge cord (new and in normal ...
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3answers
63 views

Necessary with 2 neutral terminals on Light Sensor (Steinel Nightmatic 3000)?

I am installing a Steinel Nightmatic 3000, which has the circuit diagram: But since I have a 3 core cable to hand leading to my junction box I would like to install it in the following way: [...
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1answer
79 views

Installing a smart switch + adding a neutral wire

I'd like to replace my current light switch with this one: https://www.amazon.de/-/en/gp/product/B07RV3KXF4. Wiring diagram (focus on the one on the right): My house is a rather old one and I only ...
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3answers
90 views

Voltage between neutral line and soil?

I am feeling unpleasant electric shock when I touch metal water pipes or faucets. This happens also when the main breaker is off (L1, L2 and L3). This rules out my appliances (hot water boiler and etc....
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2answers
82 views

Electrically distinguish neutral from hot

I have a box with three conduits. These are in-wall/under the floor steel conduits from an apartment built in 1950. One conduit has hot and neutral wires coming from panel. The second has hot and ...
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3answers
499 views

Attach Smart Switches to Shared Neutral

I am trying to figure out my options for installing a smart switch in my configuration without running a new wire with a neutral. This is quite similar to other questions I'll reference later, so ...
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2answers
103 views

Neutral and ground seperation at a sub-panel

Could someone explain to me why the neutral and ground bars are never bonded on a sub panel? It's my understanding that the reason they're separated is so that the current returning on the neutral ...
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1answer
462 views

Using 10/2 and/or 8/2 for a 240 only 3-prong

I have 2 dedicated circuits: 40 amp water heater 30 amp electric range Both have 2 hots and a neutral grounded at the panel. One runs through a junction box where the wires are connected and ...
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3answers
76 views

Move neutrals to subpanel or leave them on main?

I have a 150A Square D QO panel that is full and won't allow for tandem circuits. I'm going to take out the bottom 2 breakers and replace them with a 100a breaker to feed a subpanel via 4AWG copper ...
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1answer
68 views

200 amp service wire jumping from house, to barn to pool house. Somewhere the Neutral is broken

My question is a bit more technical then most as I have narrowed the problem down to a bad neutral somewhere in the system. There is a service wire from the house overhead to a barn, then another line ...
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1answer
307 views

One hot white wire in a switch box?

I have switch box that controls my under cabinet lights. I was replacing the lights themselves and had issues with them working, started troubleshooting and found that there is a single hot white wire ...
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4answers
5k views

How to differentiate neutral or ground bar?

This is the main panel, the green neutral bonding screw is there. How to differentiate the neutral and ground bars? In this case, does it matter which one I use as ground or neutral for the interlock ...
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2answers
70 views

Correct voltage of hot wires with common neutral

I just bought a house and am changing around some outlets in the garage, and I want to make sure the electricity is wired properly. There are 6 wires in a conduit going to the garage, three hot (red, ...
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0answers
64 views

Do I have an neutral wire? Could it be red?

I'm trying to install a smart switch over the current 3-way 3 gang switch. I can't tell if I have a neutral wire as there are 2 red wires. One of the red is twisted with one other white wire. After ...
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2answers
371 views

Ground and neutral bus considerations when wiring a gfci breaker

Hello all, I am adding a gfci breaker to my main breaker panel. By the looks of my panel I think the ground bus and neutral bus are bonded but not certain of this. It looks like my right bus bar is ...
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3answers
687 views

Can a neutral be shared beween the line and load side of a GFCI if it's on the same circuit?

All neutrals are crimped together on this circuit. Not daisy chained. So I have one hot and one neutral from panel (line) and one hot downstream (load). And additional no neutral wire for going ...
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2answers
259 views

Old house, no Neutral coming from APS pole. Neutral vs Ground

I'm installing some 110v Mini Split Air conditioners and want them on a separate breaker. The Main Panel only has 2 HOT wires coming in from the Mail Pole. The neutral wire is connected to the Ground ...
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1answer
460 views

Are generator "bonding plugs" safe and legal?

I've been researching portable generators, and I have learned that models with a floating neutral need to be grounded. Some people say you can bypass this requirement by plugging a "bonding plug&...
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1answer
103 views

Max amperage for “neutral tie strap” in daisy chained Siemens panel

200 amp service. We have a service disconnect upstream of our main panel, which effectively means our neutrals and grounds are still isolated in our main panel (as one does when setting up a sub panel)...
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1answer
210 views

Lighting fixture: 2 live, 2 neutral, no ground - Is is okay to have the 2nd neutral used as a ground?

I live in Germany and I have just moved into a new apartment and started to change the light fixtures, but I ran into confusion. Wires coming out of the ceiling are - two black & two white (no ...
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2answers
184 views

Smart dimmer: neutral, ground and copper wire capped together

I called an electrician today to help me install These smart dimmers (Amazon link) in my home. For one of the dimmers, he tied up the neutral and ground wires from the dimmer to the copper ground ...
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1answer
646 views

Convert Three Way to Single Smart Switch

I have two switches set up as a 3-way and I'd like to take out one and install a smart switch for the other. I know I need a neutral, and I thought things would be good when I looked inside, but it ...
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2answers
128 views

Can I split a shared neutral between two GFCI breakers?

I have two 15A circuits that share a neutral. Currently, they go to two normal breakers, and I'd like to replace two those breakers (side-by-side in the breaker box) with plug-on neutral GFCI ...
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1answer
61 views

Identifying Wires (especially Neutral) in Complex 3-Way Light Circuit

I'm planning to replace a number of 3-way switches with smart switches and as a necessary first step have been trying to map out the wiring in each of the relevant boxes. This is what I've come up ...
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1answer
150 views

Should I have current running through my neutral wire in breaker box?

There's 146v on one hot pole, 106v on the other and the neutral wire has 36v on it. My tester at some of the outlets in this trailer (made in the 80's) says hot/ground reverse and hot/neutral reverse. ...
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2answers
76 views

Using white/neutral for light switches

I’m not an electrician, but I sure have added LOTS of lights and switches in my home. I’m almost done remodeling my basement and have just noticed that I have been splicing into the white/neutral wire ...
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1answer
79 views

Neutral wires are burning hot, saw an ember

Removed the outlet and the three connected neutral wires were insanely hot. Have an extension cord running a heater, could it be the draw or do I just need a new outlet?
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0answers
48 views

No Neutral Wire to Install Smart 3 Way Dimmer

I am replacing a 3 Way switch (master) and remote dimmer with Decora Smart devices. The master has the correct wires to install the smart 3-way dimmer master. The remote box had a dimmer device with ...
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2answers
3k views

How do I insulate a neutral bar when installing it in a sub panel?

I am adding a neutral bar to an existing sub panel and need to insulate the mounting screws so I don't ground my neutral bar, any suggestions on what to use?

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