Quality Cables, Leads and AdaptersFast UK Despatch \u00B7 2.5M+ Positive FeedbackBT Telephone NTE5A Master Line Phone Socket with 23mm Back Box [005561] NTE5A Master Line Socket \n The NTE5A master socket provides a clear demarcation between the telephone operators network and the customer extension wiring via a removable connection unit (lower half). The product also provides line test ringing components and over voltage protection. The NTE5A features a BT601A socket (4 wires connected) on the front for connection of telephone apparatus as well as an IDC connection on the rear for extension wiring. \n Fully approved Supplied with surface mount 23mm deep back box screws and cable tie-wrap Can be flush mounted with standard back boxes Made from white high gloss VO rated material NTE stands for Network Terminating Equipment \n Technical Data Faceplate Dimensions\n85x85x13mm (excluding components) Faceplate Fixing Centres\n60mmSpecificationsBrandkenableTypeWall PlateConnector ANTE5AFea.