Lampholder, Bulb Base Type Medium Bi-Pin (G13), Color White, Compatible with Grainger Part Number Not Applicable, Compatible with Manufacturer Model Number Not Applicable, Features Straight-In Double Edge Contact, U-Shaped Lamp, Length 1 3/8 in, Product Type Lamp Holder, Voltage 600V AC, Watts 660 W, Connection Quickwire, Finish Thermoset, Mounting Slide-On Self-Aligning, Standards NOM, UL, Wire Gauge (AWG) 18 AWG, Compatible with Brand Universal, Contact Material Copper Alloy