Emsd Electrical Exam Prep | Hong Kong SAR China

Under Cap. 406, extra-low voltage (ELV) a.c. normally does not exceed which value between conductors or between a conductor and earth?

12 V r.m.s. a.c. 24 V r.m.s. a.c. 50 V r.m.s. a.c. 110 V r.m.s. a.c.

50 V r.m.s. a.c.

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