sm5ki wrote:
>
> I still think it is the current because BOTH switch contacts are burned and
> there can not be any flash-overs beetween an already grounded switch contact
> and ground? Or am I wrong?
If I'm not mistaken, contact no. 9 goes to the padder capacitor. The other side
of the padder goes to the plate. This is the high potential point. Contact no.
7 is grounded. The arc can be from contact 9 to ground (burning just contact
9), or contact 9 to contact 7 (burning both of them).
73,
Vic, K2VCO
Fresno CA
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