Galvanic Isolation


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Bill Balme
Bill Balme
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I am confused as to what a galvanic isolation transformer (GIT) is and what/how it does.

Ours is an American boat - with 110V circuits and 'protected' by a galvanic isolation transformer.
The previous owner also installed a 240V Generator and added a few 240V circuits in Toodle-oo!

I am now plugged into 240V shore power and realize that I don't have a GIT specific to that circuit... - or do I? Since it operates on the earth, is the GIT working no matter what shore supply is applied? (I'm 98% sure that the earth of both circuits is connected!)

I have not noticed significant anode erosion in the past - I guess I'll find out how badly I screwed up in a couple of weeks when they haul the boat!

Bill Balme
s/v Toodle-oo!

GO

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bbalme - 16 Jan 2019
Dick - 16 Jan 2019
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Bill.Jones - 30 Jan 2019
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