Single Flush Fit Master LineSocket 3/4A


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About this product


  • Standard BT type master socket

Product overview

  • Standard BT type master socket
  • Great replacement for a damaged socket

A single flush mount socket that is suitable for use as a master socket on a UK telephone installation. The socket dimensions are 84mm x 84mm to fit a standard single pattress box & should be installed by suitably qualified personnel only.


Rated 5 out of 5 by from Works perfectly It couldn't be better and it does what it says on the tin.
Date published: 2018-02-23
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Master socket L/Jck 3/4A does this unit lend it self to the fitting of a BT I-Plate (speeds up internet connection) Many thanks Dave Brooks.
Asked by: Dave Brooks
Yes the product does support that.
Answered by: DH
Date published: 2015-07-17

does it have a test socket/switch built in?
Asked by: Shed
No sorry this product does not support that.
Answered by: JK
Date published: 2015-07-17

An image of the rear of this product would be helpful, so that people can see that the Master Socket only uses two inputs (A & B) from BT instead of 4 or 6 that are commonly found in Extension Sockets. Thanks
Asked by: Matthew
Request has been made for inclusion.
Answered by: PS
Date published: 2015-07-17

Does this unit have screw terminals or the wire push on terminals?
Asked by: Steve Benton
These are fitted with screw terminals.
Answered by: PW
Date published: 2015-07-17
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