If it is in fact a sub panel, the OP is limited to 20A total draw. The dual 20A breaker would e for the hot & neutral input. I always get a little uncomfortable she someone who asks about putting in larger wire for something doesn't understand electrical wiring and current capabilities.
__________________
2011 Outback 277RL
2013 F250 XLT Crew Cab 6.2L
Bitter Gun Owner
Bitter Clinger
Armed Infidel
|