Indicating Lights: Type - Press-Test Indicating Light; Size - 17.0 mm; NEMA - 4,13; Lamp Type - Incandescent; Power Source - Transformer; Voltage - 120VAC; Lens Style/Size - Lens Not Included; Lens Material - Lens Not Included; Color - Lens Not Included; Lamp Number - 755; Bezel - Round Metal, Chrome; Terminals - Standard Screw Terminals; Enclosure Rating - NEMA 3,3R,4,4X,12,13; Manufacturer Series - E29