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Discussion Starter · #1 ·
While working on a friends boat and cleaning out all the "stuff" that came with it, we found something we can't figure out. It is an old length of life line, with a clamp from a battery charger on one end and a fist size lump of some type of metal at the other end. Is this some kind of sacrificial zinc? If it is, what the heck do we do with it?


JLBJR
 

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its a zinc you hook to a good ground and drop it over the side. they do help if you are in a marina with lots of stray currents
 
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