Enough already ?
Enough already ?
000 ON
001 OFF
011 ON
010 OFF
110 ON
111 OFF
101 ON
100 OFF
Have not seen a boolean / truth table since 1985,
last time I graduated.
Well, I guess they are part of the PLC designs,
just don't look the same.
In a jam, I have wired whole circuits with 4-ways,
only mistake was to make connections side-to-side :happyno:
You could carry a neutral in the cable,
then energize a lite at every-other switch,
alternating the lighting scheme down the long hallway.
Seems silly. :lol:
Today, I get to check beeping signals from a UPS on a telephone system.
Better get going.
Hope it is an arcing OCPD, or loose connection,
anything worth fixing.