Fuse in lighting bond circuit - SailNet Community

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Old 05-14-2012
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Fuse in lighting bond circuit

Hello,

I'm in the process of replacing a badly frayed copper braided wire that runs from the backstay to one of the keep bolts on my 1969 Arpege. I understand that this is the bond/ground for the rigging.

About half way along the wire there is what looks like a terminal block (just on the starboard side of the motor). The wire from the backstay terminates there and a new wire starts from there are runs to the keel bolt.



Hopefully that picture worked (first time loading an image).

Anyway, what looks like a terminal block actually isn't. It isn't continuous and so is actually a break in that circuit. It actually kind of looks like a fuse holder, but why would you put a fuse in this ground wire?

Any idea what belongs there? Fuse? surge suppresor? something else?

Should I just jumper across it to make the ground continuous?

Thanks
~Fortunat
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Old 05-14-2012
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Re: Fuse in lighting bond circuit

hmmm...my photo didn't load. I included a link to the photo on drop box but that didn't seem to work.

does this:

https://www.dropbox.com/s/l4lg721jf2...2017.17.24.jpg


thanks for your help

~Fortunat
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Old 05-26-2012
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Re: Fuse in lighting bond circuit

Heythe photo isnt there when I looked. Let me know if you get an answer to your question. I am buying an arpege, waiting for it be delivered as we speak.
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Old 05-27-2012
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Re: Fuse in lighting bond circuit

Sounds like someone got creative and installed a lightning protector (i.e. polyphaser) between the rigging and the keel bolt, so the rigging would NOT be a part of the bonding, and would NOT be grounded to the keel, but a lightning strike could easily jump the gap and still exit by the keel.

Whatever it is, it isn't normal and doesn't sound useful.
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