The minimum ampere rating of circuit breaker used for lighting circuit is :   , 10A, 20A, 32A, 0.3A, The rating of circuit breaker used for Water Heater circuit is   The rating of circuit breaker used for Water Heater circuit is    , 10A, 32A, 20A, 0.03A, The rating of RCD leakage current used for lighting circuit is  , 10A, 0.3A, 0.03A, 20A, The maximum number of socket outlets in a ring main circuit within area of 100 mm2 should not exceed, 5, 10, 15, 20.

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