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8.1.4 An accessible part is not considered to be live if
! O% p4 k% Z; t3 _. P* U4 f– the part is supplied at safety extra-low voltage, provided that
3 g" F* X* L" V. S$ S. w% ~* b7 G k• for a.c., the peak value of the voltage does not exceed 42,4 V,6 d& [0 v; s0 R! M3 N6 h4 D
• for d.c., the voltage does not exceed 42,4 V,
* J; T5 l$ R7 P; r) m, z0 Y/ lor0 h: q0 G2 I7 d+ k8 R
– the part is separated from live parts by protective impedance.0 X9 H! R. h% b4 e
– #for voltages having a peak value over 15 kV, the energy in the discharge shall not3 R N! E' r2 X+ J8 U
exceed 350 mJ.3 T# g2 p- Q D) j4 Q! Y
应该不算III类电器 但是应该可以算是安全的 |
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