Found some pretty sweet EPO switches if any is interested at Surpluscenter.com.
https://www.surpluscenter.com/item.asp?item=11-3124&catname=electric

$12 each

https://www.surpluscenter.com/images/p11-3124C.jpg

How many EPO's do people usually put on their cnc plasma systems for safety? I picked up two.. one for each side.

Thanks,
DeviousMW

Your a bit late http://cnczone.com/forums/showthread.php?t=36173 :)

Opps.. oh well. at least people know about them. They are a good deal.

DeviousMW