E-Simpo Gx23 to E26 Adapter, Gx23 to E26/e27 Lamp Base Converter, 2Pin Light Sockets Adapter, Need Bypass Ballast and Rewire. Double Tab.2P in Parallel (200-Pack) Suit for GX23 socket, install Screw-in (E26 or E27) LAMP Flame Retardant PBT, Phosphor Bronze,Max Temperature 140 celsuis degree All voltage workable: 100-250V AC,Max Temperature 140 celsuis degree Works for 2-Pin CFL with GX23 Base: 13w Single Tube; and GX23-2 Base:13w Quad Tube 2-Pin (GX23) Base to Medium Screw (E26) Base