This Deluxe Porcelain Clamp Lamp fixture is ideal for use with all types of incandescent heat lamps, ceramic heat emitters, and compact fluorescent UVB lamps. This Clamp Lamp fixture has a heat-resistant porcelain socket that handles up to 250 watts. Includes an inline on/off switch for greater convenience, and features a polished aluminum dome for maximum light and UV output. cUL Listed. 10" diameter. This model includes a safety wire which attaches to the front of the dome. Lamps and heat emitters sold separately. 10" dia.