kenable BT Telephone NTE5A Master Line Phone Socket with 23mm Back Box

GENUINE NTE5A MASTER SOCKET - Provides clear demarcation between telephone operator's network and customer extension wiring via removable connection unit, featuring line test ringing components and overvoltage protection VERSATILE MOUNTING OPTIONS - Supplied with 23mm deep surface mount back box, screws and cable tie-wrap, or can be flush mounted using standard back boxes for flexible installation in any location BT601A SOCKET CONNECTION - Front faceplate features BT601A socket (4 wires connected) for direct connection of telephone apparatus, plus rear IDC connection for extension wiring throughout your property FIRE-RESISTANT CONSTRUCTION - Made from white high gloss VO rated fire-resistant material, with faceplate dimensions 85x85x13mm and 60mm fixing centres FULLY APPROVED INSTALLATION - Complete kit includes all necessary mounting hardware for professional results, suitable for connecting BT telephone lines and compatible with standard UK telephone systems