Distance from main panel to subpanel (plus)

Discussion in 'Electrical Forum discussion & Blog' started by mchiarit, Nov 26, 2007.

  1. mchiarit

    mchiarit New Member

    Messages:
    18
    Is there a minimum distance between a main panel and a subpanel? If so, what is it? Also, is it acceptable to feed a subpanel from another subpanel?
    I have a main panel with a 200 A breaker (no other circuits) that feeds what used to be a main panel (it was converted to a subpanel when I added the 200 A main) and I would like to add a subpanel fed from a 60 A breaker in my existing subpanel.
    That's the short story. The rest of the story is that I want to add a feed from an emergency generator. The 60 A breaker will have 4 G wire going to a transfer switch and 4 G wire going to the new subpanel. There will also be 10 G wire going to the transfer switch being feed from an emergency generator that is protected with 240 V 30 A breaker. The new subpanel with have the following circuits:
    240 V 30 A
    120 V 20 A (two)
    120 V 15 A (two)
    It is also intended that the 30 A breaker will be off while the emergency generator is on, or on with all other breakers off.
  2. Speedy Petey

    Speedy Petey Licensed Electrical Contractor

    Messages:
    988
    Location:
    NY State, USA
    NO, and YES.
  3. mchiarit

    mchiarit New Member

    Messages:
    18
    Thanks Speedy, you answered the two most important of the questions I had.
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