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I am in the process of replacing my batteries and switch panel between the engines. I called my surveyor yesterday to ask what were the standards to follow as far as covering the energized 12 nolt positive and negative terminals and fittings. He said that all components should have some type of removable protective cover.. as I suspected.

Then he proceeded to tell me a story that still gives me the chills! A friend of his was working in the engine room of his boat and was doing his periodic check of the 12 volt switchgear. He had removed the protective cover and was spraying everything with a can of WD-40.

Accidentally, he somehow let the can short out a set of live main 12 volt connectors.. the arc immediately blew through the thin can wall, and ignited the instantaneously released WD-40, causing an explosion that killed the man!

BE CAREFUL!

CX comes in plastic bottles

YIKES!!!!! I think they do, or did, use propane as propellant. That was one reason it started diesels so well!

There's a clip on You-Tube recently where some dim-wit hits a can of WD-40 with a shovel and it blows up.