On Fri, 13 Jan 2006 19:42:30 -0500, Larry wrote:

If your welder were hooked to the genset as you say, then simply disconnect
the boat from the genset by turning off the boat's main AC breaker at the
panel until you're done with the welder. No surge makes it through an open
breaker. The boat won't sink if it doesn't have AC power for a couple of
hours while you're welding..(c;

Sorry Larry, didn't make myself clear enough.
The boat _is_ shut off... I want to protect the welder's electronics.
The d**ned thing is expensive.

TIA, Len.