... UL 3. OEM is available. 1. Product name: procelain lamp base E26 CM2112. Certificate: UL, ISO3. Rated at 660 watts. ... center contact Not glazed porcelain body Sliver terminal connect to screw shell, copper terminal contact to center contact. With steel hickey ... ceramic lamp base,light holder, light base, e26 light holder,e26 light base,screw holder, screw base,e26 screw holder,e26 screw base,bakelite ...