It sounds like he is "barking up the wrong tree". Being a flight simulator forum, we know absolutely nothing about fog machine switches. Maybe he had the two forums up at the same time and posted this to the wrong one, posting flightsim pics on the electronics website. Just a wild guess.
Anyway, I'd just like to interject a spontaneous response to his query ... HA Ha ha ... LOL ... HA Ha ha HA, ...
roflmfao
... Ha ha Ha
... whew, that's better.
Have a nice day.