Good Sam Club Open Roads Forum: Tech Issues: Neutral lines reversed
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 > Neutral lines reversed

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grizz272

frozen tundra, WI

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Posted: 05/27/20 09:51pm Link  |  Quote  |  Print  |  Notify Moderator

I was camping last weekend and I noticed that my powerline protector indicated that the neutral lines for the 50 amp service were reversed to the power line coming in to my fifth wheel. Is this a big issue?

MEXICOWANDERER

las peƱas, michoacan, mexico

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Posted: 05/27/20 10:02pm Link  |  Quote  |  Print  |  Notify Moderator

There is only one neutral
Check the labeling of the lines once again.

Old-Biscuit

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Posted: 05/27/20 10:48pm Link  |  Quote  |  Print  |  Notify Moderator

reversed polarity on AC Power means Hot & Neutral are swapped.
Open the 50A Breaker and the Neutral remains HOT (energized)

Folks can be electricuted should that make contact with 'live' neutral and ground source

Appliances/electonic equipment can be damaged due to live voltage being present causing overheating of circuits

Notify CG Staff and have them correct/check wiring at power pedestal


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road-runner

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Posted: 05/28/20 12:24am Link  |  Quote  |  Print  |  Notify Moderator

If one of the hots and neutral were reversed, half of a 50 amp rig would have a 240 volt supply. That would certainly be detected by the first user as equipment in the RV went up in smoke.


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larry cad

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Posted: 05/28/20 05:09am Link  |  Quote  |  Print  |  Notify Moderator

I'm with MEX on this one but I'm going to subscribe anyway just to see where it goes.


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Bill.Satellite

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Posted: 05/28/20 05:17am Link  |  Quote  |  Print  |  Notify Moderator

I wonder if the equipment is reading that neutral and ground are reversed?


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wa8yxm

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Posted: 05/28/20 05:50am Link  |  Quote  |  Print  |  Notify Moderator

Were you on 50 or 30 amps?
On 50 amps Reversing the two hot leads. makes no difference and in fact can not be detected

Reversing one hot and the neutral You'd know about it fast and the surge protector faster so it would protect you.

reversing neutral and ground is possible but again should NOT be detectable


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rhochnadel

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Posted: 05/28/20 08:17am Link  |  Quote  |  Print  |  Notify Moderator

I would like to know what you mean by the neutral lines reversed.


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BB_TX

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Posted: 05/28/20 08:22am Link  |  Quote  |  Print  |  Notify Moderator

Two hots and only ONE neutral in a 50 amp hookup.

Good explanation here.

DrewE

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Posted: 05/28/20 09:09am Link  |  Quote  |  Print  |  Notify Moderator

Bill.Satellite wrote:

I wonder if the equipment is reading that neutral and ground are reversed?


There's no electrical way to detect such a fault, since the only difference between neutral and ground lies in what purpose they serve and whether the physical wire has a jacket around it. Both are connected together (bonded) at the main service entrance, so both are at the same or very nearly the same potential.

(Just for clarity, note that the RV's electric panel is not the "main service entrance" referred to above; ground and neutral should be kept strictly separated in the RV electric panel.)





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