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Question about BS EN 12101-6:2005, art. 11.6.3

Julien Leblanc
The article 11.6.3 in BS EN 12101-6:2005 states the requirements for electrical cables used in pressure differential systems:

    a) fire-resisting cables meeting the temperature and time criteria in accordance with Table 7 or

    b) enclosed with fire-resisting construction, or installed external to the building where the cables cannot be endangered by fire, and

    c) cables protected from fire shall comply with the classification temperature/time of the component that they serve.


I'm reading again and again and I'm still not sure if the conditions should be met as follows:

    1. ( a or b ) and c

    2. a or ( b and c )

Please help.
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  • 0
    I read it as 2. (a), OR (b) and (c).


    So, (a) on its own


    OR (b) and (c) together.


    Z.
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  • 0
    I read it as 2. (a), OR (b) and (c).


    So, (a) on its own


    OR (b) and (c) together.


    Z.
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