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    6241B/6242B/ 6243B, LSOH Flat Wiring Cables with circuit protective conductor

    • BS7211 Cable

    APPLICATION AND DESCRIPTION

    These cables are suitable for fixed installation particularly for situations in which low emission smoke and domestic wiring cable for the surface wiring of sockets and lighting where fire, smoke emission and toxic fumes create a potential threat to life and equipment. Can be installed in fixed installations in dry or damp premises on walls, boards or trays, in channels or embedded in plaster. Suitable for laying in conduit or trunking where mechanical protection is required.

    CABLE CONSTRUCTION

    Fine bare copper strands

    Strands to IEC 60228 Cl-1 or 2

    Thermosetting core insulation type EI5 or GP 8

    The core or cores shall be laid parallel with the uninsulated circuit protective conductor

    For twin cores, the protective conductor centrally placed between cores in same plane

    For 3 cores, the protective conductor centrally placed between black and grey cores in same plane

    LSOH sheath, type LTS 2

    INSULATION COLOUR

    Single core: brown or blue Twin: brown and blue, or, for 2 × 1.0 and 2 × 1.5 cables, brown and brown 3-core: brown, black (centre core) and grey

    TECHNICAL CHARACTERISTICS

    Working voltage : 300/500v

    Test voltage : 2000 volts

    Flexing bending radius : 15 x Ø

    Static bending radius : 10 x Ø

    Flexing temperature : +5ºC to +90ºC

    Short circuit temperature : +250ºC

    Flame retardant : IEC 60332.1

    Insulation resistance : 10 MΩ x km

    Smoke density acc. to EN 50268 / IEC 61034

    Corrosiveness of combustion gases acc. to EN 50267-2-2, IEC 60754-2

    Flame test : flame-retardant acc. to EN 50265-2-1, IEC 60332.1

    CABLE PARAMETER

    AWG No. of Cores x Nominal Cross Sectional Area Nominal Thickness Of Insulation Nominal Thickness Of Sheath Nominal Overall Dimensions Circuit Protective Conductor Nominal Weight Minimum Insulation Resistance at 90 °C
    lower limit upper limit
    # x mm² mm mm mm mm AWG kg/km MΩ·km
    6242B
    17 2 × 1.0 0.7 0.9 4.1 × 7.6 5.0 × 9.1 17 68 0.011
    17(7/26) 2 × 1.0 0.7 0.9 4.2 × 7.8 5.1 × 9.4 17 73 0.011
    16 2 × 1.5 0.7 0.9 4.4 × 8.1 5.3 × 9.7 17 85 0.011
    16(7/24) 2 × 1.5 0.7 0.9 4.5 × 8.3 5.4 × 10.0 17 90 0.011
    14 2 × 2.5 0.7 1.0 4.9 × 9.3 6.0 × 11.2 16 120 0.0092
    14(7/22) 2 × 2.5 0.7 1.0 5.0 × 9.5 6.1 × 11.4 16 125 0.0084
    12(7/20) 2 × 4 0.7 1.0 5.5 × 10.4 6.7 × 12.6 16 175 0.0070
    10(7/18) 2 × 6 0.7 1.1 6.2 × 12.0 7.5 × 14.6 14 240 0.0059
    8(7/16) 2 × 10 0.7 1.2 7.3 × 14.5 8.8 × 17.6 12(7/20) 390 0.0047
    6(7/14) 2 × 16 0.7 1.3 8.4 × 17.0 10.1 × 20.5 10(7/18) 560 0.0039
    6243B
    17 3 × 1.0 0.7 0.9 4.1 × 10.0 5.1 × 12.1 17 91 0.011
    16 3 × 1.5 0.7 0.9 4.4 × 10.7 5.3 × 12.9 17 115 0.011
    14 3 × 2.5 0.7 1.0 4.9 × 12.0 6.0 × 14.6 17 170 0.0092
    12(7/20) 3 × 4 0.7 1.0 5.5 × 14.0 6.7 × 16.9 16 196 0.0070
    10(7/18) 3 × 6 0.7 1.1 6.2 × 16.2 7.5 × 19.5 14 291 0.0059
    8(7/16) 3 × 10 0.7 1.2 7.3 × 19.5 8.8 × 23.6 12(7/20) 440 0.0047
    6(7/14) 3 × 16 0.7 1.3 8.4 × 22.8 10.1 × 27.6 10(7/18) 670 0.0039
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