Extension Telephone Socket - Flush0LJU3/3A

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85mm x 85mm x 8mm
Telephone Secondary or Extension Flush Socket
Use as 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.
  • Telephone sockets should not be installed into the same fixing or mounting boxes as mains rated cable
  • Installation tools required
  • IDC insertion tool code GP TOOL or
  • Krone IDC insertion tool code GP T107
  • Requires a flush or surface box
  • Supplied less box


Telephone Wiring Info
Product Code
Price (ex VAT)
Price (inc VAT)
product photo
GP 33A

Extension Telephone Socket - Flush