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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2answers
2k 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?
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3answers
48 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 ...
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0answers
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
4k 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 ...
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2answers
4k 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 ...
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1answer
543 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 ...
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0answers
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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2answers
3k 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 (...
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1answer
3k 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 ...
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1answer
947 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 ...
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1answer
99 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). ...
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1answer
619 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 ...
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1answer
496 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 ...
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1answer
108 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 ...
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2answers
197 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 ...
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1answer
223 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 ...
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1answer
239 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?
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2answers
8k 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 ...
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1answer
2k 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 ...
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2answers
17k 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 ...
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2answers
117 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 ...
12
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1answer
67k views

How can I install this programmable switch where a neutral is not present?

I'm trying install this programmable switch but the instructions do not match reality. The instructions refer to the existence of a black (load) cable and a white (neutral) cable supposedly coming out ...
38
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7answers
211k 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 ...
28
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5answers
400k 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 ...

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