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Phone Socket Comparison

Check below to see what kind of socket you have and if it's compatible with the BT Wholesale I-Plate.

I-Plate compatability with phone sockets

LJU2 Unbranded LJU2 master socket
Single socket measuring 68mm x 68mm with a non-split faceplate. Often found on old telephone wiring or as an extension socket. This example is unbranded.

An I-Plate cannot be installed

LJU3 BT Piper branded LJU3 master socket
Single socket measuring 85mm x 85mm with a non-split faceplate. Often found on old telephone wiring. This example has the BT Piper logo in the top left corner.

An I-Plate cannot be installed

LJU4
LJU5
BT Piper branded LJU4 dual line socket
Dual socket measuring 85mm x 68mm with a non-split faceplate. An LJU4 is used for to provide two separate phone lines on a single socket. An LJU5 gives one line with two sockets. This example has the BT Piper logo in the top left corner.

An I-Plate cannot be installed

NTE5 Unbranded NTE5 master socket
Single socket measuring 85mm x 85mm with a split faceplate. This is an NTE5 master socket with a removable lower plate that can be used with an ADSL faceplate or an I-Plate. This is an unbranded generic version.

An I-Plate can be installed

NTE5 BT Piper branded NTE5 master socket
Single socket measuring 85mm x 85mm with a split faceplate. This is an NTE5 master socket with a removable lower plate that can be used with an ADSL faceplate or an I-Plate. This version has the BT Piper logo in the top left corner..

An I-Plate can be installed

NTE5 Openreach branded NTE5 master socket
Single socket measuring 85mm x 85mm with a split faceplate. This is an NTE5 master socket with a removable lower plate that can be used with an ADSL faceplate. This is an Openreach version that already has the functionality of an I-Plate built in.

An I-Plate is not needed

ADSL v1.0 BT ADSL v1.0 filter faceplate
Dual socket measuring 85mm x 68mm with phone and DSL connector. This is a filtered ADSL face plate which allows you to plug in your phone and ADSL into an NTE5. It isolates the extensions wiring from the DSL connection and therefore doesn't need an I-Plate.

An I-Plate is not needed

VDSL Interstitial Plate Openreach Interstitial filter faceplate
Dual socket measuring 85mm x 85mm (increases socket depth by 12mm) with phone and VDSL or ADSL connector. This is a filtered face plate that fits in the same manner as the I-Plate but provides a filtered socket for ADSL2+ and VDSL services. The extension wiring is isolated from the DSL signal, and faceplate includes external filtered connectors for a data extension if required.

An I-Plate is not needed