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post #20 of Old 05-31-2011
Once known as Hartley18
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Originally Posted by Maine Sail View Post
Switching of the positive conductor is part of the ABYC standards and a negative switched circuit will or should fail a survey if a competent surveyor is used...
Maine, it's interesting then that many commercial off-the-shelf bilge pump control panels (like the one below, currently fitted to my boat) are negative switched - that's one reason so many people have problems hooking them up!

1. Are you saying a commercial purpose-built product doesn't meet the standards??

2. Do you seriously expect a competent surveyor to inspect the entire wiring system on a boat - looking for circuits that might be negative switched??

No. I didn't think so.

A bad day on a boat beats a good day in the office
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