I only tried to point out some of the hazards (or potential hazards) and not knowing the capabilities of the O.P. and many readers, I felt it was prudent.

You are correct about the shunt. I believe Sun also had a shunt arrangement if you went over 60 amps ( it may have been less.. crs!) but the point was a wire capable of supporting better than 100 amps, potentially unfused, inside the cockpit.. just gave me the willies.. so I wanted to mention it.