Quote Originally Posted by batgirl
I'm using an insulated 8 x 10 shed with a large roof fan. I'm going with 2 systems, either 600w or 1000w HPS, haven't decided yet. Will need heat in the winter. How much power do I need? I was thinking 20 amps, but someone told me that with HPS I need more.
:thumbsup:hi batgirl,8x10 shed?me too!(only 2ft at the end though).i'm using 20A fuse for a 400w hps plus cfls,fans,heater plus extra sockets for powertools,go with a 32A, to be on the safe side:thumbsup:and please use an armoured cable for the same reason:jointsmile: