Posted 2/6/2012 12:08 (#2209286 - in reply to #2209279) Subject: Re: Block Heaters & GFCI Outlets
Our new tool shed had GFCIs. We had the same problems but also with battery maintainers. Finally broke down one day and bought a box of regular outlets and swapped them all out. The only other advise would be that you may have better results with regular outlets on a GFCI breaker.