@MilesO The wiring on a 4 way switch should be simple. it would be the middle switch with 2 hs210 on both ends of the circuit. Wiring a 4 way light switch

I have 2 hs210 switches at the beginning and end of a series of switches, with a dumb switch in the middle, with 2 black and 2 red wires and 1 ground. If i turn off the middle switch it cuts power to...