The Industrial ISD BC 120 277 IV M10 wall plate assembly is a wall-mounted lighting control device in the ISD BC series for commercial systems, combining a preset slide dimmer with an ON/OFF switch and 0–10 V ballast control. Designed for 120/277 VAC at 50/60 Hz, it mounts in a standard single-gang wall box and supports single-pole or three-way operation in an ivory finish. Commonly installed in offices, conference rooms, classrooms, and other commercial facilities with fluorescent lighting, this wall plate assembly provides precise dimming and switching for fixtures equipped with 0–10 V dimming ballasts.
