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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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0
votes
2answers
9k views

What happens if you don't bond neutral and ground in a main service panel?

I know that we're supposed to bond neutral and ground in the main panel but can't quite understand what the actual danger/problem with this situation is. I also understand why we don't bond neutral ...
7
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4answers
61k 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 ...
5
votes
1answer
126 views

Is a grounded/neutral wire (not grounding wire) required to be run to a subpanel that will supply only 240V (2-pole) devices?

I'm installing a subpanel that will supply only 240V 2-pole devices. I'm positive I never will need the capability to run 120V (1-pole) devices. Am I required to run a neutral wire to the subpanel? ...
0
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2answers
594 views

How can I add a light fixture to a three-way circuit by connecting to the switch?

I would like to add a new light fixture to a 3-way circuit in my stairway. The new light will be closer to the second switch and therefore would like to wire it from there (the other fixture is in the ...
4
votes
1answer
549 views

making sense of a confusing light switch box

I'm trying to install a GE Z-Wave 12724 Smart Dimmer and my light switch box looks nothing like I imagine it's supposed to with wires properly identified. This wouldn't be the first improperly ...
3
votes
1answer
809 views

Wiring help for a Switch with LED Guide Light

In my bathroom I have a dual switch box. The left side controls a light, the right side controls a bathroom fan. I'm trying to convert the light switch (left side) to a Switch with LED Guide Light. ...
1
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4answers
1k views

What are the risks of sending low-current neutral through the ground wire?

I have an existing switch that controls an outlet. I'd like to replace it with a smart-home switch, which requires a neutral wire to power the switch itself. However, there is no neutral wire at the ...
1
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0answers
168 views

Trying to determine if I have a neutral wire

I used to have an on/off wall switch that controlled a wall socket to which a floor lamp with an LED light bulb is connected. There is another socket in the same box that is not controlled by the ...
2
votes
1answer
94 views

how should i wire up this 2-way z-wave switch?

I want to replace the 2-way switch on the left with a z-wave dimmer switch. Currently this box has a 2-way Dimmer on the left, and a 3-way switch on the right. As noted, all of the neutrals(marked W ...
0
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0answers
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 ...
2
votes
1answer
11k views

Low voltage on circuit after breaker turned off - induced or backfed voltage?

I was planning on installing a programmable timer on one of the 4 single-pole switches on a circuit. All of the 4 switches control various lights towards the front of the house, one of which is a pair ...
0
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2answers
958 views

Why is neutral wire connected to the right side of a plug?

Why can't the neutral and live wires be exchanged when wiring a plug?
0
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3answers
43 views

verify if the Ground cable is connected to Neutral cable

I want to verify if electricity outlet is grounded. For this I did a test using a bulb connecting it to Phase and Neutral and it lit (to verify if bulb works). Then connected with Phase and Ground and ...
0
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0answers
103 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 ...
2
votes
1answer
2k views

neutral bar is burnt

The neutral bar is burnt in the breaker box of my mobile home. The kids hooked up a small window cooler and ran it a couple months ago, by morning we woke up smelling wires burning. We traced it to ...
0
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2answers
3k views

Is this neutral-ground bus bar configuration correct?

Looking inside the electrical panel in the house I bought, I was surprised to see the neutral bus bar crowded right up next to the ground bus bar, so much so that it seems the ground bus bar is ...
1
vote
1answer
431 views

Subpanel or not? Neutral and ground bonded?

How do I fix the AC unit to be connected properly to its circuit? How should the AC Unit/Garage/Subpanel be setup? Maybe I can separate the neutral and ground, then ground by connecting to the garage ...
1
vote
0answers
671 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 ...
3
votes
2answers
2k views

Electric Dryer Leg A drops to 0V Leg B spikes at 240V when start pushed

I am in the military and came back from a month overseas and my 3 prong electric dryer would not start. I am an electronics technician (radios) so I am quite experiences with electronics and theory (...
2
votes
1answer
2k views

Can two light fixture switches share a neutral?

I have two porch lanterns ( sgl pole sw #1) and one foyer ceiling light (slg pole sw #2) in an existing two gang box, but I'm not sure how to use some existing old black pipes for my new wiring. One ...
2
votes
1answer
718 views

Replacing subpanel in detached building - yet another ground/neutral question

Here's the situation. I've added on to my detached shop/garage and need to upgrade the very small subpanel. The existing garage pre-dates the 2008 NEC by at least a decade, and is supplied by a 3 ...
2
votes
1answer
86 views

Ground to neutral bus/connector on receptacle

I'm replacing an old/aged receptacle. Incoming hot wired to hot on receptacle. Neutral had been previously connected but snipped off and wire is loose in box (copper end more or less insulated). ...
3
votes
1answer
424 views

Possible neutral problem - Utility side vs. Load Side?

PLEASE NOTE: UPDATED CIRCUIT NUMBERING FROM 12 & 14 to 14 & 16 I would greatly appreciate your help with trying to diagnose a problem that appears to be an open neutral. In my kitchen I have ...
1
vote
1answer
150 views

Connecting neutrals in disconnect switch

Disconnects are an inexpensive way to connect two relatively large gauge conductors for 40-100A applications. However, most 240V disconnects only provide lugs for the two ungrounded conductors and the ...
0
votes
1answer
85 views

main breaker panel to 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 ...
3
votes
2answers
107 views

120V measured between different outlet grounds

I'm experiencing some electrical issues with the apartment I'm subletting. While connecting up a projector/speaker setup using outlets from different sides of the room, we discovered (through means of ...
0
votes
1answer
168 views

Input voltage drop to 190v after switching over load

We have an Online-UPS connected as per the diagram. The output is given to a change-over switch. So If we want to feed the computers direct AC we switch it to Source O (Top) for bypass and if we ...
1
vote
1answer
227 views

Why can't I put a load between hot and the ground line? [duplicate]

Normally the load goes between hot and neutral line. Since neutral is grounded why can't I put a load between hot and the ground line?
0
votes
2answers
5k views

Taking a neutral wire from another meter connection?

I live in a two story duplex, yesterday the other unit's electricity went off, the electrician diagnosed that somehow their neutral path is not coming from the pole so he connected the neutral ...
0
votes
1answer
247 views

Why is the white wire hot in my switch box?

I have been replacing my light switches with zwave switches but some of them are wired a bit differently and am having some difficulty understanding them. This one is a single light switch to control ...
3
votes
2answers
9k views

How do I determine if I have an open neutral?

I live in VA. My bath and bedroom lights were working fine and suddenly it was as though I threw the circuit breaker. Everything on the bedroom/bathroom circuit breaker went dead. I checked the ...
0
votes
2answers
99 views

Are there any issues connecting Neutral and Live at once to the supply line?

A normal plug point has the wiring structure of the normal cct diagram I've drawn below. I'm thinking about plugging a device into the outlet in a permanent way and keep the switch closed and control ...
35
votes
7answers
153k views

Why does this receptacle have the ground tied to the neutral?

I was replacing some outlets in my house with tamper-resistant ones, and came across one where the white and ground were wired together, as seen in this picture. Why? Is that okay or appropriate ...
26
votes
5answers
312k views

Is it ok to have mixed grounds and neutrals on bars in a breaker box?

So to continue my line of electrical questioning (and perhaps narrow down my flickering light problem), I took a look through the two panels in this house. There is a 200amp main service in the ...