Author Topic: DTMF Keypad brown wire????  (Read 69 times)

Offline markosjal

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DTMF Keypad brown wire????
« on: December 31, 2017, 04:08:31 PM »
I have some ATC DTMF Keypads with a mysterious brown wire instead of white/blue . these do not seem to be just a replacement color. Any ideas??
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