Housing: PBT GF, white, T140 Nominal value: 2/500 Double plug-in terminals: 0.5-1qmm (lamp circuit) Additionally for G24q, GX24q sockets: Single plug-in terminals: 0.5-1qmm (starter circuit) Rear holes for self-tapping screws in accordance with ISO 1481/7049-ST4, 2-C/F Front through holes for M3 screws Central through hole for M3 screw Anti-twist cams When attaching the socket, it must be taken into account that the TC-T and TC-TEL lamps protrude beyond the socket. When using the central hole to attach the socket, additional recesses must be provided for the anti-twist cams. With starter holder: No, Design: Edison socket, Fastening type: Plug-in fastening, Nipple thread: without, Material: Plastic, Socket: Other, Color: white