I'm trying to find the best solution for determining if 26 AC voltage is present on line. This signal will be coming from a old jukebox controller (called a wall box). This will come from very dirty source (long line with mech contacts from rotor)- So optoisolator should be in order. Not an EE (sw d…

Checking 26 VAC is present

system March 20, 2012, 2:12am 3

Yeah, Thanks for the info and reference. It's the same wall box.

Seems like the way to go.

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