At 120 volts 400 watts would put a load of roughly 3.25 amps....... Since a pareticular circuit is protected by a 20 amp breaker and most wire is rated for 25 amps you should have no problems with that. Unless, however, you are running a bunch of other things on this same circuit. It would still be harf to over load a 20 amp circuit.



If you are in an older house that has say aluminum wiring or an older trailer that only has 15 amp breakers you may want to be a little cautious about running say 3 times what you would be pulling at 400 watts. Aluminum wiring is very well known for overheating andf starting fires so you wnat to be carefull with it.



If you are in a newer place ( post 1980 ) you shouldn't have any problems whatsoever running 400 watts and whatever esle you could stick on that circuit as well. except a microwave..... they should be on their own circuit.



Later,

Robert
-----
A foolish consistency is the hobgoblin of little minds,

adored by little statesmen, philosophers and divines.

Ralph Emerson

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