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05-16-2019, 04:46 AM
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#1
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Jul 2010
Location: Tampa Area (sometimes!)
Posts: 620
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Upside Down Electrical Outlets
Hi Everyone,
This one's a head scratcher. I just bought a new 2020 Wayfarer RW. Every electrical outlet in the coach is upside down. I checked other units on the lot, same thing. Is this intentional?
By upside down, I mean that the center ground lug on the plug is on the top instead of on the bottom. I've never seen that done before. I suspect it's for some good reason but nobody I've talked to knows.
Thanks,
Randy
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Randy and Tina & fur baby - Cinnamon
2020 Tiffin Wayfarer RW
Mercedes Benz 2019 Sprinter Chassis
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05-16-2019, 04:53 AM
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#2
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Senior Member
Join Date: Jan 2017
Location: "Murvul", TN
Posts: 1,665
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They aren't up side down, that's the correct way to install them. The reason behind that is if an electrical item is plugged into the receptacle, and for some reason the plug became partial unplugged and something fell down on the plug that was metal, the first point of contact would most likely be the ground prong. If it were turned the other way, writhe the hot and neutral on top and that same item feel, more likelihood it could short across the two blades.
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2016 F350 Crew Cab Dually Diesel King Ranch 4x4
2018 Grand Design Momentum 394M Toy Hauler
Excessive Payload Capacity is a Wonderful Thing!
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05-16-2019, 04:55 AM
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#3
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Senior Member
Join Date: Nov 2006
Location: Western NY
Posts: 6,149
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I've seen them both ways and my contractor buddy tells me ground lug up is fairly std in commercial installations.
theory I have heard is that if a metal cover plate comes loose and slips down it hits ground not short between hot / neutral??
I'd be interested to hear from others in the know.
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Don & Marge
'13 Newmar Ventana 3433 - '14 CR-V TOAD
'03 Winnebago Adventurer 31Y - SOLD
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05-16-2019, 05:03 AM
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#4
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Jul 2010
Location: Tampa Area (sometimes!)
Posts: 620
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Quote:
Originally Posted by Winemaker2
I've seen them both ways and my contractor buddy tells me ground lug up is fairly std in commercial installations.
theory I have heard is that if a metal cover plate comes loose and slips down it hits ground not short between hot / neutral??
I'd be interested to hear from others in the know.
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Makes sense and it's certainly not a big deal but I've never seen that is a residential installation for sure!
__________________
Randy and Tina & fur baby - Cinnamon
2020 Tiffin Wayfarer RW
Mercedes Benz 2019 Sprinter Chassis
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05-16-2019, 05:14 AM
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#5
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Senior Member
Join Date: Feb 2014
Location: Georgia
Posts: 1,127
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Their bilt in Alabama what do you expect? Dave
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no more rv's
2018 Honda CRV
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05-16-2019, 05:29 AM
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#6
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Senior Member
Tiffin Owners Club
Join Date: Sep 2012
Location: jackson,nj
Posts: 172
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it is correct that there is no up or down with outlets and they can be put in either way, being an electrician for 45 years I have had places that wanted them ground up and places that wanted ground down. in the national electrical code there is no mention of a right way to install an outlet.
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allen and bonnie
2019 37bh
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05-16-2019, 05:36 AM
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#7
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Senior Member
Tiffin Owners Club
Join Date: Mar 2012
Posts: 1,701
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While I have no idea on the up verses down, I have always wondered why the newer style 20-amp outlets ( https://www.howtogeek.com/266589/the...in-your-house/) seems be always be ground up.
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Dewey & Sharon
Southern Maryland suburbs of DC
2022 Tiffin Allegro Bus 40IP
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05-16-2019, 05:39 AM
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#8
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Senior Member
Join Date: Feb 2017
Location: Indiana
Posts: 154
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I agree with xrated. I learned this in college many years ago. Don't know why ground up is not a common practice.
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Jack
2007 Winnebago Sightseer 35J
2003 Ford Sport Trac
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05-16-2019, 05:47 AM
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#9
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Senior Member
Join Date: May 2017
Location: south
Posts: 521
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i added on a small apartment..
a neighbor was an old electrician... real old.
my house was built 25 years ago... ground plug down.
electrician insisted on putting ground plug up!! he mentioned codes and some of the explanations above...
so we did -- ground plugs up!
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05-16-2019, 05:49 AM
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#10
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by xrated
They aren't up side down, that's the correct way to install them. The reason behind that is if an electrical item is plugged into the receptacle, and for some reason the plug became partial unplugged and something fell down on the plug that was metal, the first point of contact would most likely be the ground prong. If it were turned the other way, writhe the hot and neutral on top and that same item feel, more likelihood it could short across the two blades.
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And the flip side of that thinking is that if the plug was to become loose then the ground would be the first to not have contact leaving power on the plug with no ground attached. Truth is there is no right way. It all depends on what part of the country you live in. Kinda like eating BBQ sauce. The NEC does not address the issue. 95% of pictures you see of receptacles have the ground down. Go to Amazon and have a look.
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2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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05-16-2019, 05:51 AM
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#11
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by rockriver
i added on a small apartment..
a neighbor was an old electrician... real old.
my house was built 25 years ago... ground plug down.
electrician insisted on putting ground plug up!! he mentioned codes and some of the explanations above...
so we did -- ground plugs up!
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There is no code.
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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05-16-2019, 05:52 AM
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#12
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Senior Member
Join Date: Sep 2018
Posts: 1,944
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Quote:
Originally Posted by alv3769
it is correct that there is no up or down with outlets and they can be put in either way, being an electrician for 45 years I have had places that wanted them ground up and places that wanted ground down. in the national electrical code there is no mention of a right way to install an outlet.
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What he said. Cavie, too. Sideways is also legal.
On a trades and engineering only electrical forum I frequent (DIYers get bounced), in fact, that question will get you whacked upside the head. It's a Ford/Chevy (or diesel/gasser) type subject, and the mere mention is like you walked in with a dog park on your shoes.
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05-16-2019, 05:54 AM
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#13
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by Winemaker2
I've seen them both ways and my contractor buddy tells me ground lug up is fairly std in commercial installations.
theory I have heard is that if a metal cover plate comes loose and slips down it hits ground not short between hot / neutral??
I'd be interested to hear from others in the know.
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If it comes loose it's falling on the floor. It is physically impossible for it to fall behind the Receptical.
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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05-16-2019, 05:56 AM
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#14
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Senior Member
Join Date: Oct 2012
Location: Foley AL
Posts: 7,138
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I have seen (experienced) "ground up" installations in homes ... they indicated "switched - controlled" outlets. Typically a wall switch at entry and an associated floor/table lamp outlet. Installer's choice.
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2005 Newmar Essex 4502, 2013 Caddy SRX
1997 HR Endeavor 37, CAT, 1996 Geo Tracker
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