Am I calculating correctly?
I've done my research the past few days, and I think I understand how to calculate the power draw from my batt, the wire gauge I need, fuses, etc.... would you guys tell me if my calculations look correct, or if I need to start over?
My Opus 150W PSU... that would give me 150watts/12volts=12.5amps ... over 15ft (to be safe) would be a 10 gauge wire ... 8 gauge to be really safe, right?
Then for a 600W amplifier ... 600watts/12volts=50amps ... again over 15ft, would put me right on the cusp of an 8 gauge, probably a 4 gauge wire.
THEN, the wire from the distro blocks to ground and batt would be the additive of these... 12.5+50=62.5amps ... over 15ft (again, to be really safe) would be a 4 gauge wire.
In the distro block, I'll need fuses of 20 amps and 80 amps ... and in the line from the batt, I'll need a 80 amp fuse.
Thanks for any help.