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.

24 questions with no upvoted or accepted answers
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Neutral line with two circuits

I’d like to install a GE smart dimmer and a GE smart switch into a four gang box. The box currently has four non-smart switches. I determined that one of the switches is on a different circuit ...
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3k views

“Open Neutral” only when load applied- my tester is confusing me

I have a 20amp circuit with a 20amp GFI and 4 more 15amp outlets after it. With nothing plugged in, they all indicate (on my 3-light tester) they are wired correctly. As soon as 1 thing is plugged ...
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48 views

Refrigerator restarts when a 3 pin plug is plugged to socket like Laptop Adaptor

Over last few months I'm noticing whenever I connect my Laptop cord and turn on the switch my Refrigerator in the kitchen is restarts as if power has gone and comeback. This happens primarily with 3 ...
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516 views

Sub panel 3 wire and 220Volts

My mom just bought an old house (1917). The Main Breaker has 3 wires two hot from a 30amp 220 breaker and one ground going from the main into a sub-panel, there is no room to feed a 4th neutral wire. ...
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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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46 views

Lighting neutral

Can anyone explain about lighting neutral wires (blue)? I have a 3year old house, which has blue wires in the back boxes. I am assuming that this is the neutral. On my current 1 gang 2 way switch ...
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361 views

Installed smart switch but nearby circuit keeps breaking

I just installed a smart switch (Leviton Decora) in my garage and the switch works fine. But I soon noticed that the circuit controlling outlets in the closest room to the garage keeps breaking. I ...
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1k views

Neutral shows only continuity to hot with breaker on

I have a GFCI receptacle that as far as I can tell is the first one from the panel (because nothing else is off in the house when the breaker is off). I have to replace the old outlet. When the ...
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62 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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37 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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41 views

Electrical outlets not working, garbage disposal on same breaker works

We've been running a portable A/C in our studio apartment for 5+ years (coastal CA, no central air). We discovered, upon adding a toaster oven, that if we run the toaster oven while also running the A/...
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48 views

Can one circuit trip a GFCI breaker on another circuit with no shared neutral

I have two circuits in my main breaker panel. Circuit 1 is on a 2 pole 60amp GFCI breaker. It goes directly outside from the breaker box and does not interact with the house aside from at the main ...
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292 views

no neutral wire for smart thermostat

I want to install a smart thermostat 240 volt but there is no neutral available. Can I connect to the neutral of an adjacent 120 gang box (receptacle)?
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107 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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45 views

Main Electric Panel Neutral Bar

I have a Siemens 200 amp main service panel in my basement. The main service lines are two black and one black with a yellow stripe going to the neutral bar. The grounding bar is attached to a ...
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101 views

Can two loads use the same neutral return path?

I have a 220v circuit with two hot conductors. The connection has 4 terminals, L1 L1 L2 L2. The cable going in has a neutral conductor. Can I hook the first of the L1 and L2 to the neutral ...
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84 views

Electrical wiring hook up sequence

I have found a box that as three duplex electric cables connecting. The neutral (white) from wire 1 and wire 3 are connected. The hot (black) from wire 1 is connected to wire 2, and the hot from ...
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152 views

switch box red wire connected to white?

i'm installing smart switches, and found the neutral in another area so i assumed it'd be in all the switch boxes. Well not these two. It's a 3 way switch, and in the back of it there are white wires ...
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54 views

Neutral wire issue

I have a lot of history on this issue and troubleshooting if someone can just bear with me...🙂 When we bought this house the previous owner had covered then eventually enclosed the back patio. When ...
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36 views

enough electrical knowledge to get me in trouble

I have an Arc welder and just picked up a spot welder. Checking the Arc welder cord I found it has 4 wires. The green is cut off and the white is used. Do I need to have the neutral (white) and the ...
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1k views

AFCI Circuit Breaker trips after turn on any light on different circuit

The last week an electrical service person came to update the circuit breakers from regular to AFCI. But they could not find the root of the problem and they will come again in one week but I wanted ...
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106 views

How should I connect a new RF switch to replace two standard switches?

I have two light switches. Each runs three lights and has its own hot and neutral wires (so in total--2 hots and 2 neutrals). I bought this remote switch which accept only one in and two out. The ...
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1answer
118 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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1answer
858 views

Installing CAFI Plug on Neutral Circuit breakers

The circuit breaker has only 2 places to hold wires. There are 3 wires. These are the newest versions with no pig tail. Do I need to wire it to the neutral bar? I thought the idea of this new design ...