Marine Fuse Panel Installation. You should use marine grade primary wire for this. Use stranded copper wire (tinned copper is best) with an insulation that can withstand the marine environment.

Use the blue sea systems circuit wizard to select the correct wire size, circuit breaker or fuse type and amperage, and fuse holder. Blue sea weatherdeck™ waterproof switch panels. Use the blue sea systems circuit wizard to select the correct wire size, circuit breaker or fuse type and amperage, and fuse holder.