Wattstopper Lmcp24 Wiring Diagram. The photocell provides an on signal when the ambient light level drops. Web wattstopper lmcp24 panel lmcp 24: Watt Stopper Relay Control Panel Wiring Diagram Complete Wiring Schemas from wiring89.blogspot.com Web the wattstopper em series is a low voltage photocell used for controlling exterior lighting and signage. Shop categories shop over […]