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Telephone cable shielded TPPepZ

kabel-tppepz

Description:
Telephone cable with continuous polyethylene insulation of cores, with a screen made of alumopolymer tape, in a polyethylene sheath with a hydrophobic filling. Refers to a group of communication cables.

    Required cable section

    Number in meters

    Construction:
    Multi-pair communication cable of the TPP brand can have from 5 to 1200 twisted pairs. A cable containing more than 50 pairs has additional pairs. Due to its low resistance to magnetic field interference, an unshielded TPP cable (up to 10 pairs) is used only in inexpensive speaker systems. The price for TPP cables depends on the number of twisted pairs and the presence of additional protective structural elements.

    CURRENT CONDUCTOR – from copper soft round wire.
    INSULATION – in TPPepBbShp cables – solid polyethylene.
    TWISTED PAIR.
    ELEMENTARY five- or ten-pair bundles.
    MAIN 50 or 100 pair beams.
    TWISTED CORE.
    BELT INSULATION – polyamide, polyethylene, polyvinyl chloride or polyethylene terephthalate tapes.
    SHIELD – alumopolymer tape, tinned copper contact wire is laid under the screen.
    SHELL made of polyethylene.

    Decipher the “TPPepZBbShp” wire as follows:
    T
     – Telephone

    P – Polyethylene insulation
    P – Polyethylene sheath
    ep – Screen made of aluminopolymer tape
    Z – Hydrophobic aggregate


    Exploitation:

    Designed for operation in local primary communication networks with a rated voltage of remote power supply up to 225 or 145 V AC with a frequency of 50 Hz or voltages up to 315 and 200 V DC, respectively.
    For laying in telephone sewers, in collectors, mines, along the walls of buildings and suspension on overhead communication lines in conditions of high humidity. Cables are used in conditions not characterized by increased external electromagnetic influence. When laying, installing and operating cables, it is not allowed to get moisture or soil electrolytes under the cable sheath through its ends. It is not allowed to feed into the core or apply on the outer surface of the cables substances harmful to its insulation and sheath. The CCI cable is laid in mines, tunnels, collectors, telephone sewers, along the walls of buildings, over overhead communication lines. The conductors of the cable are made of copper and have a diameter of 0.32 to 0.7 mm. The cores are covered with a continuous polyethylene insulating layer. TPP cable is operated at ambient temperature not lower than -50 ° С and not higher than + 60 ° С.

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