The Triplett WireMaster Mapper from Jewell Instruments LLC, Manchester, NH, can trace and map most types of cable by using 4 types of remote identifiers. BNC remotes are used to identify coaxial cables in CCTV security and surveillance systems. F remotes will identify coaxial cables in cable TV distribution systems. RJ11/RJ45 remotes identify telephone or LAN cables; clip lead remotes can identify any pair of wires, such as speaker or telephone wires, that do not have connectors attached. The device tests in real-time to identify intermittents and can be used to map lengths >20,000 ft.