This Impact D-1000 1000 W AC Dimmer Control gives you stepless 1%–100% power control over your quartz halogen or incandescent light source up to 1000 W. Unlike other models, this analog dimmer is equipped with a 3-prong US grounded plug with heavy-gauge 6'4" cord, as well as a 3-prong input for the light to be dimmed. The lightweight plastic D-1000 features a simple sliding rheostat control for analog dimming that can be operated by hand or foot.