Rig your own emergency lightning protection

Rig your own emergency lightning protection

By Dave Osmolski

In my 14 years as a vessel examiner, I have rarely seen a set of jumper cables on a boat, and I don’t carry jumper cables on mine. I carry four batteries, any one of which is capable of starting my engine. The odds of all four being depleted at the same time are minuscule.

Talking with my brother-in-law, a former sailor, got me thinking of sailboats and equipment. The day was stormy, and we were discussing a sailboat’s predilection for lightning strikes. We talked about using jumper cables as emergency lightning protection by directing the current from a lightning hit to the water. While not a perfect solution, it would be better than having lightning blow out a metal underwater fitting.

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