Genuine Virgin Media NTE5A Master Socket | Main Telephone Connection Box | BT

NTE5A Standard: The official standard for UK master sockets, featuring a split faceplate design. 1x NTE5A Back Plate (with components). Upgrading an older style socket to the modern NTE5A standard. Built-in Test Socket: Removing the bottom faceplate reveals the test socket—essential for diagnosing line faults and ruling out internal wiring issues.

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