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Thread: flexible cables

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    flexible cables

    is it legal to install sabs approved flexible cables from a main DB to a sub DB.

    in other words run a circuit directly from a new DB installed in a basement

    via a 21 core sabs approved flexible cable

    then disconnect the existing circuits in the sub DB on the first floor and join then directly to the 21 core flex cable straight to the dedicated socket outlets...which are wired in house wire.

    how important are the numbers in the flexible cable?

    this is not a trick question i am

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    please note pg 84 of sans 6.1.11 flexible cords shall not be used as part of the elctrical installtion, except where...

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    Diamond Member AndyD's Avatar
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    As far as I'm aware you're not permitted to use flexible cords (cabtyre) between a main and sub DB. It's not just 0142 regs that forbid this, also IEC 60335-1. If I remember correctly, ammendment 3 clarified.
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    this thread is gona get interesting...busy with the generator thread have been all afternoon so once i have sorted that out i will come back to this thread.

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    Gold Member Sparks's Avatar
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    Far as I know all cabling used should be SABS but, that does not mean it can be used for any purpose. The permanent installation far as I know should be "hard" wire.

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    what is important is understanding what the difference is in the definitions

    a cable...solid or stranded...with strands exceeding 0.51 mm

    flexible cable...consists of strands of diameter not exceeding 0.51mm and which th nominal cross section area of each conductor exceeds 4 mm square

    flexible cord...nominal cross sectional area of each conductor does not exceed 4 mm square and each conductor consists of strands of diameter less than 0.31mm

    6.1.11 flexible cords shall not be used as part of the electrical installation except a-e in sans code

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