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-   -   15 amp circuit (https://www.askmehelpdesk.com/showthread.php?t=199565)

  • Mar 28, 2008, 07:21 AM
    MrTkarateguy
    15 amp circuit
    How many lights can I put on a 15 amp circuit breaker?
  • Mar 28, 2008, 07:30 AM
    Stratmando
    Volts X Amps equals Watts.
    120 X 15 = 1800 watts.
    Derate 80%
    1800 X .8 = 1440 Watts to work with.
    1440/60 watt bulbs = 24 (60 Watt Bulbs) or 14 100 watt bulbs.
  • Mar 30, 2008, 06:45 AM
    Credendovidis
    Quote:
    Originally Posted by Stratmando
    1440/60 watt bulbs = 24 (60 Watt Bulbs) or 14 100 watt bulbs.
    That's why all these "marijuana-in-the-loft" growers bypass the measuring system... :D
    :rolleyes:

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