View Full Version : Wiring info
sweetnsassy11871
Mar 30, 2008, 12:29 PM
How many lights can I run on a 20 amp breaker using 75 watt bults?
stanfortyman
Mar 30, 2008, 12:39 PM
It depends on the capacity of the fixtures, NOT the actual lamps you will be using in the fixtures.
Stratmando
Mar 31, 2008, 07:49 AM
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.
wcoyle
Apr 24, 2008, 07:24 PM
how many lights can i run on a 20 amp breaker using 75 watt bults?
25