I want to break up a string of 8 lights to control each four independently. Ques on 20mp breaker.

can I do this running from the same power source? Also is it ok to use a 20amp breaker to power these? There is nothing else on the breaker
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Replies
Depends on the wattage of the lamps. You'd want to stay below about 2000 watts total, on the 20A breaker.