"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in message
. 3.70...
"azotic" fired this volley in news:lbcc1r$9al$1
@speranza.aioe.org:

They are also used in explosion proof applications where a
contact arcing in a normal relay could be an ignition source.


Really? I'd like to know more about that. Any citations?

Lloyd

Read it in a manufactures literature many years ago.
Don't remember who, might have been magnacraft.

Best Regards
Tom.