Lampholder Bulb Base Type Recessed Double Contact (R17d) Color White Features Plunger Contact Quickwire 18AWG Solid Termination Product Type Lamp Holder Voltage 1000V AC Watts 660 W Connection Quickwire Finish Thermoset Mounting Snap-In Standards CSA Certified UL Wire Gauge (AWG) 18 AWG Compatible with Brand Universal Contact Material Silver-Plated Copper Alloy