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-   -   Backfeeding with generator. (http://www.diychatroom.com/f18/backfeeding-generator-162242/)

neckbone 11-05-2012 06:46 AM

Backfeeding with generator.
 
how to backfeed 200amp house panel from 100amp shed panel with portable generator safely and by code?

joed 11-05-2012 07:42 AM

Install a proper transfer switch or breaker interlock system on the main panel.

Auger01 11-05-2012 08:08 AM

That cant be done legally. Dedicated wires for the generator should be run from the main panel to the generator location.

J. V. 11-05-2012 09:57 AM

Quote:

Originally Posted by neckbone (Post 1045096)
how to backfeed 200amp house panel from 100amp shed panel with portable generator safely and by code?

This is a good question.
When back feeding the house panel from the shed panel, an interlock will not work.
The generator power must go to the main panel first to use an interlock.
This is an issue for many people including myself.

neckbone6150 11-05-2012 09:57 AM

backfeeding generator
 
Thanks for responding to my question, I am trying to run generator in shed to minimze noise and theft.

neckbone6150 11-05-2012 10:37 AM

backfeeding with generator
 
I see another post from 2010 talking about this topic.Can I run additional cable undergroung through same conduit from shed receptical to proper breaker in main box with interlock and get my result. thanks

Auger01 11-05-2012 11:11 AM

IF the conduit is big enough fo the extra wires then sure.

neckbone6150 11-05-2012 11:36 AM

backfeeding
 
Yup I used 2inch plastic. Have you ever pulled cable through conduit, I never have, any ideas or is it just pull. Thanks

Auger01 11-05-2012 02:07 PM

The best way is to unhook the wires in the conduit and attach a rope to them and pull them out. If you try to pull new wires in with the old ones still in the friction may burn through the insulation in spots.

Use the rope that got pulled in to pull ALL wires in at once. They do make wire lube to make them go in easier. Thats about it.

neckbone 11-09-2012 02:37 PM

backfeeding
 
Auger01 thanks for the help. I decided not to connect generator at shed,too much can go wrong, expense of cable and power drop due to distance.

dmxtothemax 11-09-2012 04:22 PM

Quote:

Originally Posted by neckbone (Post 1045096)
how to backfeed 200amp house panel from 100amp shed panel with portable generator safely and by code?


I dont think backfeeding is code compliant
under any circumstance !

You must have a proper transfer switch / interlock.

If you want it to be code compliant.

neckbone 11-09-2012 05:12 PM

backfeeding
 
yup I would be using interlock. All my materials r on the way, did plenty of research on this. When I am ready to install I will post my installation plan to double check myself.

neckbone 11-19-2012 06:43 AM

backfeeding generator
 
Just set the house up for backfeeding my generator, 4 prong inlet on outside of house, 10/4 wire from inlet to 30amp double pole breaker, with interlock on main panel, wasnt too hard to do, next is inspection by electrical inspector. My question, how neccessary is a watt meter during backfeed. Thanks

J. V. 11-19-2012 10:43 AM

Not at all necessary. With an interlock set up, you will have to use the trial and error method to see what will run on generator power. And how many things will operate at the same time. Try this before you loose power and then you will have a good idea as to what will run and what can run together.

neckbone 11-19-2012 11:08 AM

backfeeding
 
Thanks J.V.


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