Electrical grounding questions

Discussion in 'Sailboats' started by wesley Sherman, Dec 13, 2020.

  1. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

    All about safety of the crew.

  2. rangebowdrie
    Joined: Nov 2009
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    Location: Oregon

    rangebowdrie Junior Member

    Sometime back in the late 1980s, IIRC, Wooden Boat had an article about a sailboat that suffered a strike while on a mooring.
    The strike was witnessed by people on shore
    All of the wiring in the mast was vaporized when the strike hit. The boat had a well thought out and complete bonding system.
    The bonding system was common to the engine and the negative batt connections as well as all the electronics grounding.
    The strike destroyed all the electronics. The batteries exploded. The strike also travelled thru the engine and transmission to escape thru the prop shaft, and the bearings in the engine were fused to the crankshaft.
    I can't recall if that was the same boat in the article that had a seacock blow out of the hull from a strike.
    How about bobstay fittings down at the waterline that are connected electrically to the mast thru the rigging?
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