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-   -   Size of wire required for 70 amp boxservice (https://www.askmehelpdesk.com/showthread.php?t=324683)

  • Mar 3, 2009, 09:07 PM
    Jamdozer57
    Size of wire required for 70 amp boxservice
    I am installing a 70 amp outdoor box, one 30 amp 220v and two 20 amp 110v breakers for a travel trailer. The meter loop is rated at 125 amp. I am running this service from the meter loop, main box under ground to the 70amp outdoor box. WHAT SIZE WIRE WILL I NEED TO USE, the total run from end to end is 120'.
    Thanks in advance for your assistance.
  • Mar 4, 2009, 05:08 AM
    stanfortyman
    Is there a disconnect or panel at the meter. You CANNOT simply come out of an existing meter.

    You would need #6cu or #4al conductors in conduit. If you run cable then #4cu or #3al.
  • Mar 5, 2009, 01:39 PM
    Jamdozer57
    Quote:

    Originally Posted by stanfortyman View Post
    Is there a disconnect or panel at the meter. You CANNOT simply come out of an existing meter.

    You would need #6cu or #4al conductors in conduit. If you run cable then #4cu or #3al.

    Thanks for the response;
    There is a breaker panel under the meter can with multiple blanks for the breakers.

    What breaker would be required for this application and would I have to be concerned about a voltage drop over for this length of run?
  • Mar 11, 2009, 06:55 AM
    badmom66

    The distancce from meter is 200 ft

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