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-   -   Wiring info (https://www.askmehelpdesk.com/showthread.php?t=200337)

  • Mar 30, 2008, 12:29 PM
    sweetnsassy11871
    Wiring info
    How many lights can I run on a 20 amp breaker using 75 watt bults?
  • Mar 30, 2008, 12:39 PM
    stanfortyman
    It depends on the capacity of the fixtures, NOT the actual lamps you will be using in the fixtures.
  • Mar 31, 2008, 07:49 AM
    Stratmando
    Also,
    Volts X Amps = Watts(120 X 20 = 2400 Watts)
    Derate by 80%(2400 X .8 = 1920 Watts)for 3 hours or more.
    Then, 1920/75 = 25.6 Bulbs)
    25 75 Watt bulbs.
  • Apr 24, 2008, 07:24 PM
    wcoyle
    Quote:
    Originally Posted by sweetnsassy11871
    how many lights can i run on a 20 amp breaker using 75 watt bults?
    25

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