Chris, In 15+ years of doing electrical on many different boats, I have never seen a switch on the negative wires. My inclination would be to replace it with a Blue Sea Power Post or Power Post Plus.
Dennis C. On Tue, Aug 1, 2017 at 12:44 AM, Chris Hobson via CnC-List < cnc-list@cnc-list.com> wrote: > > I discovered a secondary battery switch today for all the negative battery > terminals from my #2 house battery under the galley cupboard, not sure how > common it is to have two main battery switches like this. > >
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