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    fathima123's Avatar
    fathima123 Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Jan 9, 2010, 10:17 PM
    Ambient temperature is 60deg centigrade.What is flexible ca
    Ambient temperature is 60deg Celsius.What is flexible copper cable size to be used for 63A breaker in side low voltage switchgear panel?
    fathima123's Avatar
    fathima123 Posts: 3, Reputation: 1
    New Member
    		  
    #2

    Jan 9, 2010, 10:18 PM

    Ambient temperature is 50deg Celsius.What is flexible copper cable size to be used for 63A breaker in side low voltage switchgear panel
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #3

    Jan 10, 2010, 05:21 AM
    You posted two temperatures. Which is it, or both?

    What country are you from?

    Refer to the Code or Standard your location uses to learn of the ambient temperature multiplier factor to increase the conductor size that would be used at normal room temperature.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #4

    Jan 10, 2010, 08:53 AM

    Looks like yet another test question to me. :rolleyes:
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