MIKE ROSS wrote in a message to Greg Mayman:

 MR> I think you have a misplaced trust in electro-mechanical devices.
 MR> Mechanical relays will eventually wear out and stick or a piece of
 MR> dust or other contamination blocks the contacts. OTOH a solid state
 MR> switch does not wear out nor get dirty. What else is there to say!?

Nothing, as long as it works.  :-)


    Everett 
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