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mep803 power conection

Light in the Dark

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Give us some details on what you are trying to do? 120V or 240V? Do you have a generator hookup now, or how are you planning on getting power into the dwelling?
 

mchlsprgn

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Give us some details on what you are trying to do? 120V or 240V? Do you have a generator hookup now, or how are you planning on getting power into the dwelling?
I have a panel next to the gen thats connected to my house. It's hot al the time unless the power is off I'd like a disconect at the gen also I would like to cover gen cabel outet I'm running 240 volt . There are breakers in the panel to turn off or on gen
 

Scoobyshep

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I have a panel next to the gen thats connected to my house. It's hot al the time unless the power is off I'd like a disconect at the gen also I would like to cover gen cabel outet I'm running 240 volt . There are breakers in the panel to turn off or on gen
There are 2 real flavors here, you can install a transfer switch before the panel or an interlock in the panel. For the interlock to be an option you need a main breaker in that panel.
 

Denvercaitland

Active member
Steel Soldiers Supporter
Just finished setting up for 220v manual transfer - main switch to give me option to provide backup power to house or shop. - Shop Sub panel , -feed to house - Interlock at shop and house panel. 803A unbounded. ( LOTS of good advices on the forum).
 

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Scoobyshep

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It looks like you are switching the neutral, if thats the case you may want to rethink that. Because thats where the generator needs to be bonded.
 

Denvercaitland

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So the shop panel is only from the generator?

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House and shop are seperate building and new built . I have 2 distinct 200amps service , one feed the main panel in the house the second 200 amp service feeds the main panel in the shop. -( 2 panel in the house, main one for heat pump , dryer , heated floor ects , and a back up for fridge lights , TV wifi ects) - the 200amps main panel in the shop is set up with interlock to feed the back up panel in the house) the picture attached is the 200 amp panel set up to feed the house backup panel ( 220 orange 60 amp breaker in the middle)
 

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Scoobyshep

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the important takeaway is making 2 feeds cant be crossed and each live feed is connected to a neutral bond
 

Denvercaitland

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Steel Soldiers Supporter
the important takeaway is making 2 feeds cant be crossed and each live feed is connected to a neutral bond
Thanks, just to confirm does this looks ok to you. ? The way I'm setup. The genset can't backfeed the panels as their is an interlock on both side of the double throw switch. And the genset neutral is is engaged on both side regardless?
 

Scoobyshep

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Ok , so the generator feeds into the double throw, which feeds the house OR the shop interlock? Both of which are switching their respective neutrals?
 
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