Is there a requirement for MCBs to have reducing ratings working away from the RCD? ie, in reverse order: 40, 32 , 32......16,..6, 6 Or just common practice?
Is there a requirement for MCBs to have reducing ratings working away from the RCD? ie, in reverse order: 40, 32 , 32......16,..6, 6 Or just common practice?
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