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Re: [GMCnet] First Post - Wiring 78 Royals Neutral Ground short trips GFI [message #323276 is a reply to message #323269] Sun, 03 September 2017 23:01 Go to previous messageGo to previous message
powerjon is currently offline  powerjon   United States
Messages: 2446
Registered: January 2004
Karma:
Senior Member
Terry,

That statement is correct and as far as you are concerned is from the end of your power cord to all the wiring inside your coach is considered a secondary and that is to protect you from electrical issues and that assumes that your coach wiring is correct also. If the park/campground has been wired correctly then it should also have the ground and neutrals separated as the pedestal are also considered a secondary circuit also and the main CB panel is considered the primary. A 30A circuit consists of a 3 wire layout. The colors in your power cord should be Black (Hot), White (Neutral) and Green which is the ground. The 50A circuit consist of a 4 wire layout. The colors in the power cord are Black (hot 1), Red (hot 2), White (neutral) and Green which is the ground. Which provides 2 110 vac circuits. Our coaches do not have any devices that are 220 VAC powered, we just have each side of the box on separate 110VAC feeds.

These are good examples:

http://www.myrv.us/Imgs/PDF/30-amp%20Service.pdf

http://www.janeandjohn.org/docs/50ampRVoutletInstallation.pdf

http://www.rvtechmag.com/electrical/chapter6.php

We have stayed at a number of campgrounds, both county parks and fairgrounds that have been electrical nightmares and frankly unsafe.

Word of warning! A lot of older RV parks and campgrounds have been serviced by non electrical certified persons and you get what you pay for. Just talking electrical does not make you a electrician and a simple mistake can be terminal.

JR Wright


> On Sep 3, 2017, at 9:32 PM, Terry wrote:
>
> "there should not be a ground/neutral connection when you are plugged into shore power."
>
> How can there not be a connection when they are tied together in the shore power circuit breaker panel?
> --
> Terry Kelpien
>
> ASE Master Technician
>
> 73 Glacier 260
>
> Smithfield, Va.
>
>
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
 
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