Specifications: Straight wiring 4 conductors Conductor: copper, wire diameter: 0.4 copper(single) Size: 33FT (+/-0.6FT) Line core: 4 root, wire shield: PVC RJ11 6P4C modular connectors with gold-plated conductors Features: The RJ11 connectors have 4 gold-plated conductors that are corrosion-resistant and reduce both static and outside interference for a seamless connection. It is a ideal phone accessories, and can connect your phone with a RJ11 connection to another RJ11 devices. The phone wire has a variety of possible uses, such as connecting two telephones devices together, connecting a telephone device to a wall jack, or as an extension cord. This phone extension cord allows you to have your phone 33ft away of your phone jack and not having to move every time you need to use your phone. Standard phone connectors on both ends, plug and play ready for fax lines, modems, answering machines, cordless or standard phones. The RJ11 modular straight telephone cord extension wire is used for the home, hotel, office and other telephone systems. Single insulated wire according to the different pitch twisted pair, and with specified color combinations to identify line, reduce the mutual interference between the clues crosstalk, power consumption is small. Scope of application: Telecommunication engineering wiring, links between indoor telephone communication cable system wiring, voice communication system between the main line, program-controlled switches, phone, fax and digital television, choice of Audio, Video, and IT Professionals