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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #91  
Old 06-16-2019
tsdevane tsdevane is offline
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Originally Posted by Bill Pape View Post
There are confusing posts on Bluebird Buddy plugs,
for powering up other RV's when dry camping,
and powering up a house panel during power outages.
Do the electricians want to post the instruction for the proper safe hook-ups?
...and perhaps it would be beneficial to eliminate the known confusing posts?
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  #92  
Old 06-16-2019
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Bill Pape Bill Pape is offline
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Originally Posted by tsdevane View Post
...and perhaps it would be beneficial to eliminate the known confusing posts?
Tim, there are many, do you want to let us know which of the 450,843 posts are confusing?
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  #93  
Old 06-16-2019
tsdevane tsdevane is offline
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Originally Posted by Bill Pape View Post
Tim, there are many, do you want to let us know which of the 450,843 posts are confusing?
LOL... Clearly my ignorance for administering a forum is on display.
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  #94  
Old 06-16-2019
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1984Lodge 1984Lodge is offline
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Join Date: Aug 2017
Location: Temple Terrace
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Quote:
Originally Posted by Bill Pape View Post
There are confusing posts on Bluebird Buddy plugs,
for powering up other RV's when dry camping,
and powering up a house panel during power outages.
Do the electricians want to post the instruction for the proper safe hook-ups?
To use a buddy plug to supply another RV there is not really any special considerations. Just plug the other vehicle into the buddy plug as you would plug into a park pedestal. The bonding etc should already be taken care of on the vehicle with the generator.

As far as using the buddy plug to supply a house, it gets a lot more complicated due to having the proper neutral ground bonding. This would require several modifications to both the house wiring and the bus wiring in order to make it in compliance. In NEC wording, you are creating a "seperately derived system" by using a vehicle mounted generator to supply power to the house. The other problem is that you are also supplying power at the same time to the rv.

The only way that I could see to do this properly would be to do these things:
1-Need to make a way to connect the generator neutral to ground bond to the grounding electrode (a ground rod). Could use the same house ground rod, but would need to make sure you size this properly for the generator that is being used.
2-Provide a way to isolate the house wiring from meter with an breaker interlock or transfer switch.
3-Provide a way to disconnect the neutral bond in the house panel.
The easiest way would be to use a transfer switch that switches the neutral. The normal side (from meter) would have neutral ground bond, the emergency side (from generator) would keep the neutral and ground seperated.

Needless to say, this is complicated with lots of variables and calculations that need to be made based on the generator feed etc.

Some folks suggested in other threads disconnecting the neutral ground bond on the generator in the rv and use the bond at the main panel. I believe this would create a problem since the generator would still be serving the rv and the buddy plug feeding the house. Now you do not have a proper neutral bond for the rv. You could do it if you disconnected the rv and only supplied the house directly from the generator, but I do not believe that is how the buddy plug is wired. So that is why I have proposed the above wiring method.
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1984 Bluebird PT40
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