Phone,TV,CCTV and LAN surge arresters Data-line lightning current and surge arresters with a variety of mounting options for the protection of Telephone lines, COAX, CCTV and Ethernet based networks. The application specific designs can be retro fitted without complication, being easy to insert into networks and cabling with the minimum of losses. Constructed from components with a very long endurance, these surge arresters meet the relevant international standards and approvals for the product type.