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Unread 21-11-2013, 09:24
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Re: Two Power Distribution boards?

Quote:
Originally Posted by Joe Ross View Post
R39 makes that illegal.
Given the fragile nature of the M6 studs, I probably would not put more than one lug on them anyway. But. R39 refers to circuits that should be downstream PD board. To fully follow R39, the 2nd PD board would have to get its power from the first PD board which would limit the available power to the 2nd board to 40 amps. (Max breaker size). Of course then you run foul of R47 which limits loads through one breaker of the first PD board.

I think of the more of a thought exercise than reality since more than one PD legal is probably not legal to begin with.