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post #11 of Old 01-06-2013
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Re: best way to mount Aluminium to steel underwater

Hmm. What about using a Marelon thru-hull as a spacer?

You could use better lights, such as the Ocean-LED HD series, they have bronze bodies, and stick through enough that you can attach a bonding wire to the backside, this seems to be OK for FG boats, I don't know about steel though, if grouding bronze to the regular zinc would be sufficient.

*Note: We are a registered dealer/installer for Ocean-LED, but I think anything similarly well built should due the trick.

I do agree they are a bit silly, though could be neat for night diving/fishing I've sometimes thought.
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