Screwless Telephone Master Socket – Smoked Bronze

The master socket contain a surge arrestor and an R/C circuit filter these are used by your service provider to get a fixed value resistance when they run line checks. Standard BT type socket with screw type terminals. Flawless Screwless design

• Master BT type socket

• Screw terminals

• Screwless low profile design with built in gasket

• Certified to BS 5733

• Minimum mounting box depth: 25mm

• Dimensions : 87.5×87.5mm