Extension Telephone Socket - White5055556269840X2170

Contactum - Slave Telephone Socket
Use as a extension socket when connected after a master socket outlet to the same line.

Wiring regulation restrictions
Any number of sockets may be installed thereafter, with a maximum of 5 telephones
normally being allowed on one exchange line.

Commercial installations: Our telephone sockets are suitable in all situations after the PBX/PABX .

For key systems and other ‘special’ systems, the manufacturer’s instructions should be referred to.
  • Installation tools required
  • IDC insertion tool code GP TOOL or
  • Krone IDC insertion tool code GP T107
  • Supplied with 30mm fixing screws


Telephone Wiring Info
Order Code
Price (ex VAT)
Price (inc VAT)
product photo

CM 2170

Extension Telephone Socket - White


EA 5+




EA 5+