Wayne.B wrote:
:My boat has non-standard color coding on the AC wiring, typically all
:3 wires red instead of the US standard of black, white, green.

:Identifying the hot wire is easy but I'm not sure how to positively
:identify the neutral wire vs the safety ground. Measuring voltage
:from the hot wire yields 110 to either one. This is looking from the
:load end not the panel end of course.

:Anyone have suggestions?

Besides replace the wiring with something sane? Get a tone generator
and receiver. You put the tone generator at a known end of the wire.
It puts an RF signal on the wire, which you detect with the receiver.
You should be able to find one locally for about $50 or so.