coach gen to house

[BG]

At the coach: The existing 50 amp shore
connection is designed to get power TO the
coach's breaker panel. The coach's transfer
switch prevents generator power from getting
to the 50 amp shore connection, as it should.
Power from the genset goes only to the
coach's breaker panel, and only when the
transfer switch is set to "Gen". That is why
adding a 50 amp breaker and receptacle to the
coach's panel makes sense. There are other
possibilities like tapping into the genset at
the transfer switch, but this would probably
be more difficult to design and implement
(and more dangerous) than just adding a 50
amp branch circuit to the existing panel with
inexpensive garden variety building supply
parts.

At the house: There must be a transfer
switch installed at the house's panel so that
power can be fed to the panel from the power
company or from a genset. The switch has two
purposes: 1. To select the power source,
and 2. To assure that power from both the
power company and the genset can NEVER reach
the panel at the same time. This is an
extremely important safety issue for
protection of both the homeowner and power
company electricians. Even a sloppy
electrical design still tends to be
foolproof; pulling a breaker instead of
installing a transfer switch is far from
foolproof.

So in reality, the connections are usually
NOT there. I've seen the odd coach where a
50 amp receptacle has been added, and lots of
houses already have a generator transfer
switch. If those changes are not already
made, they need to be.

There are outlaw methods that could be used
instead (like pulling or turning off the
house's main breaker), but even in the hands
of a well practiced electrician this can lead
to damage, fire, injury, or death. The same
could be said for trying to turn the coach's
shore power connector into a source of genset
power. Twelve kilowatts of power is no joke.

Bob Griesel '84 FC31 WLII WA

-----Original Message-----
From: WanderlodgeForum@yahoogroups.com
[mailto:WanderlodgeForum@yahoogroups.com] On
Behalf Of chaunceyboyblu
Sent: Monday, January 23, 2012 7:28 A
To: WanderlodgeForum@yahoogroups.com
Subject: [WanderlodgeForum] coach gen to
house

I guess I just don't understand why all the
modifications need to be made to reverse the
situation with electricity. It seems the
connection is already there. In my mind A
modification to the switch near the front
door that switches between shore 50/30 and
gen would be all that is needed. Also pulling
the breaker/switch that connects the house to
the grid.

Robert Rahn
88 pt 40
Kalispell, Mt.



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