Professional Custom Lamp Holder Accessories Manufacturer

 Screw lamp holder including an insulator , a metal shell threaded conductive metal cap , the metal housing is open at both ends of the thread , with external threads at the top of the metal injection molding screw insulator housing , an insulator disposed on the center line lamp lead wire outside the through hole , a conductive metal end cap is open and the other end closed cylinder open end face of the insulator has a conductive metal cap with an annular groove adapted to the wire from the wire hole after piercing the side of the bend, the metal in contact with the conductive cap , a conductive metal tube wall cap insulator is inserted in the annular groove .