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New shed wiring panel - sometimes plugged in - sometimes generator

wyliesdiesels

Well-known member
Joined
Aug 14, 2012
Messages
20,038
Location
Modesto, CA
I'm still lost as to how he would backfeed the grid. The grid is feeding the house power the entire time in both scenarios - he just need to get power to the shed.

The only dangerous thing about the setup I posted is the house 30 amp break on WITH THE SHED NOT PLUGGED IN and a kid reaches up and touches the inlet connection that has power.
your scenario is way more complicated than just using an interlock or transfer switch. KISS why make it more complicated than it has to be?
 
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mm08822

Well-known member
Joined
Jan 13, 2012
Messages
6,005
Location
NJ
LOL...way to complicated for what it is!
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I have a breaker panel that is for power distribution. Light and fan on one circuit, left side of building has 3 outlets (lamps and device charging. Right side of building has a circuit for small fridge and TV and vent fan. Also have one circuit for running a griddle or coffee pot. We usually a butane stove for cooking.
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Now to explain how the power gets to the building. I have a 30 AMP RV cord that is wired to the L1 and L2 in the panel, and the neutral to the one bar, and I will put in a ground bar into the panel (it was not included in this panel).
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I will run a 30AMP 110VAC to a pole with a RV panel (TT-30R NEMA). Same as what I plug my RV into at home. When power is available, I will plug my shed into this pole.
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When I need to run off my generator, I will unplug from the RV panel power pole, and plug into the generator. Hence the "manual transfer switch" comment I made.
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I have obtained the understanding I needed from the posts here. The only adjustment I need is to put in a grounding bar and separate the ground and neutral. 20 minutes at the panel. once I buy the parts.
Bingo! It ends right there.
 
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mm08822

Well-known member
Joined
Jan 13, 2012
Messages
6,005
Location
NJ
It's simple and everyone is going to tell me it's illegal/dangerous but if you have a half brain, it's fine.

Wire generator inlet box to house panel with 30 amp breaker.
Wire generator inlet box to shed panel with 30 amp breaker.
Always leave both 30 amp breaker off when not in use.

Using house power: Plug shed to house, flip on house 30 amp breaker, flip on shed 30 amp breaker
Using generator power: Plug shed to generator, flip on shed 30 amp breaker, house 30 amp amp beaker stays off

Use a generator cord between shed and house/generator in both scenarios.

I'm still lost as to how he would backfeed the grid. The grid is feeding the house power the entire time in both scenarios - he just need to get power to the shed.

The only dangerous thing about the setup I posted is the house 30 amp break on WITH THE SHED NOT PLUGGED IN and a kid reaches up and touches the inlet connection that has power.
Okey dokey!! :wtf:
 
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