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BRT 09-28-2012 01:47 PM

Subpanel - Subpanel Feed
Electrician installed a 200A service panel in my new house. He also installed a 100A subpanel in my new detached garage. I believe he ran a 2-2-4 URD cable instead of a 2-2-2-4 cable between the house and shop. Canít confirm cable type at this time. Now he wants to install a new 100A subpanel next to the 200A service panel in the house, and then move the 100A garage feeder from the 200A service panel to the new 100A house subpanel. So then the 100A house subpanel feeding my 100A garage subpanel. By doing so, he does not have to replace the 2-2-4 cable between the house and detached garage. Is a 2-2-2-4 still need between the two 100A subpanels?

jrclen 09-28-2012 01:54 PM

Yes. 4 conductors are required between sub panels. As well as between the main panel and a sub panel.

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