BG Metal Clad Single, telephone socket, master - MC5BTM1-01

BG Metal Clad single BT telephone socket, master, MC5BTM1-01. The master socket terminates the incoming BT line and houses the ring capacitor needed for the phone to ring, housed in a robust surface-mounted metal enclosure for workshops and commercial premises.

• Single plate
• Master socket — includes ring capacitor
• Surface-mounted metal construction