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Cable table which column to use

Baldyhugh
Hi


Im currently doing a bit of circuit design and am a bit rusty. I’m planning to use a 3 core swa for a single phase circuit. Do I choose the 2core cable single phase column in The regs book current capacity tables even though im using a three core cable or the three or four core cable column? Some of the tables show a little asterix denoting ‘with or without a protective conductor’ which would help in my instance, however table 4d4a doesn’t show this. 

Thanks in advance

Peter
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    Yes, and of course these tables are for continuous operation in an ambient temperature of 30C so I would say for the vast majority of installations you have an appropriate inherent safety margin.
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    Yes, and of course these tables are for continuous operation in an ambient temperature of 30C so I would say for the vast majority of installations you have an appropriate inherent safety margin.
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