>Two SPDT push buttons (Fig. 4 of the MAC info.) gets away from the doubtful
>rocker switch. Furthermore if each is actually a DPDT, wiring the halves in
>parallel give the redundacy needed to overcome dirty contacts. Doesn't guard
>against sticking down so you still need an isolate, but only one thing to
>press at a time. Pressing both by accident is safe .
The jargon got the better of me here, and as I would like to understand what
you are talking about Graham, can you please explain:
1)Fig 4. of the MAC info.
2)What a SPDT and a DPDT is?
Regards
Tony Renshaw
Builder No.236
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>Graham C.
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