Brian Kelly wrote:
OhYeah, that's what I've been looking for. Tnx Cecil! I Googled 'em and
landed on the Mouser web page which lists the Omron LYs. They're good
for 10-15 amps @ 2 kV AC and for only $6-7 each. Should work fine
although I'd like to have higher voltage ratings. Not much to lose by
trying a couple of them to find out if they arc in the 110% humidity we
occasionally get around here.

The LYs are designed to minimize humidity problems. The
air gap is replaced by some sort of plastic separator.
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73, Cecil, http://www.qsl.net/w5dxp