On May 30, 2006, at 1:02 PM, Gudguyham@aol.com wrote:
> In a message dated 5/30/2006 1:19:21 P.M. Eastern Standard Time,
> r@somis.org writes:
> As I see it, not requiring a MOV across NEC / UL approved switches
> suggests that whoever wrote the present Code needs to take a course
> in Reactance/Susceptance/Impedance/Admittance
> TRUE, BUT SWITCHES ARE MADE TO CONTAIN THE MOMENTARY ARC THAT OCCURS.
The problem is that the arc created by the reverse EMF during switch
opening eats the contacts.
R L MEASURES, AG6K. 805-386-3734
r@somis.org
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