Posted by Bob on February 21, 2016 at 19:19:57 from (64.255.159.192):
In Reply to: Re: thanks everyone posted by J.Wondergem on February 21, 2016 at 18:15:31:
Nope, a mechanical regulator for a generator doesn't "know" what at polarity to charge. That is determined by at what polarity the GENERATOR is "polarized" to BEFORE the system's first startup.
SOME mechanical regulators are marked (+) or (-) ground.
They, too, will work at either polarity, but will LAST LONGER used at intended priority.
This has to do with materials used in the contacts being arranged in opposite configurations for longer life at the polarity a given unit is made to be used with.
As an example, Delco used tungsten for the contact that loses/transfers metal (- side) and platinum for the side that tends to oxidize (+ side). The locations of those contacts would be opposite between a regulator specifically design for (-) ground a nad a regulator specifically designed for (+) ground.
I doubt if any modern units from "The Land of Almost Right" are that well made, though, and are not typically marked as to polarity.
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