Originally Posted by GrahamO
It has been a while since I worked offshore but I think we used 3M (Scotch) then. We used to stagger the connections, twist wires together (crimps create a weak point when a lot of flexing is likely, NEVER solder), insulate each wire with adhesive heat shrink, coat the whole joint with a VERY messy goop similar to liquid electrical tape, and then use self amalgamating tape. This was good for 10,000' of seawater if done right so it should work in a bilge...... The liquid tape was to get all the air out of t.
we use to use scotch kote on underwater cutting rigs using broco rods we would have welding cables bolted togther scotch kote them then wrap them in rubber tape scotch kote them again and wrap them in electrical tape
at first i was really scared about getting shocked but it never happened