6604-2, Incandescent Dimmer for Lighting Controls The Leviton 6604-2 Incandescent Dimmer is designed to control the brightness of incandescent or quartz lamps through full-range rotary control. It is suitable for electrical distributors and lighting solutions requiring reliable dimming capability. This dimmer features solid-state circuitry with heat dispersion protection and a built-in Radio/TV interference filter, making it compatible with various lighting and wire and cable installations. The device includes standard No. 18 gauge, 105°C AWM-TEW plastic insulated wire leads and a durable E.I.A.-standard 1/4" flatted “D” nylon shaft for secure mechanical operation. It is UL Recognized for 120V AC 50-60 Hz applications, with 220V AC 50 Hz available as a special order, though not UL or CSA certified for 220V. Specifications Manufacturer: Leviton Manufacturer Part #: 6604-2 Product Weight: 7.7 lbs Voltage: 120V AC 50-60 Hz (UL Recognized Component E-7458) Special Order Voltage: 220V AC 50 Hz (not UL or CSA certified) Wire: No. 18 ga., 105°C AWM-TEW plastic insulated, 7" long, stripped 3/4" and overtinned Shaft Type: E.I.A.-standard 1/4" flatted “D” nylon shaft Control Type: Full-range rotary control with positive ON-OFF at extreme counterclockwise position Features Reliable solid-state circuitry with heat-dispersion protection Radio/TV interference filter for minimized signal disruption Hex nut assembled with knurl nut supplied for secure mounting Designed for controlling brightness of incandescent and quartz lamps Standard leads suitable for wiring in lighting and electrical distribution systems Downloads & Links Catalog