D dog420 Active Member Mar 26, 2008 #1 HI....can i run a 1000 watt hps and a 600 watt hps on a 20 amp breaker...? Thanks for the help.
G Growbot Well-Known Member Mar 26, 2008 #2 dog420 said: HI....can i run a 1000 watt hps and a 600 watt hps on a 20 amp breaker...? Thanks for the help. Click to expand... watts over volts will give you amps used. so, 1600 watts divided by 120 volts is 13.3 amps. i wouldn't want to go any more than that. remember, every little thing you have plugged in will be drawing on the circuit.
dog420 said: HI....can i run a 1000 watt hps and a 600 watt hps on a 20 amp breaker...? Thanks for the help. Click to expand... watts over volts will give you amps used. so, 1600 watts divided by 120 volts is 13.3 amps. i wouldn't want to go any more than that. remember, every little thing you have plugged in will be drawing on the circuit.