Base Type: Medium Base | Brand Name: Leviton | CSA LIsted: Yes | Light Source: Incandescent | Material: Aluminum | Number in Package: 1 pk | Number of Circuits: 1 | Packaging Type: Bagged | UL Listed: Yes | Volts: 250 volt | Watts: 250 watt Leviton produces lamp holders for virtually every light source equipped with incandescent, fluorescent or CFL lamps. Lamp-holders include incandescent medium base and specialty sizes and fluorescent lamp holders in addition to a large line of porcelain lamp holders including pulse rated mogul-base products and an extensive selection of devices for high intensity lamps. | Thermoplastic knob material | Turn knob lamp socket interior | Commercial unit