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8.1.4 An accessible part is not considered to be live if9 E p+ w. X6 j: o# W6 Q8 w3 }
– the part is supplied at safety extra-low voltage, provided that. _' f; @! a; L2 }# J
• for a.c., the peak value of the voltage does not exceed 42,4 V,
1 X- G$ E( u x) h) n• for d.c., the voltage does not exceed 42,4 V,
6 y3 h2 [: P! O3 i2 Y7 N- }or) h( |$ f1 ^6 }* F" g' w
– the part is separated from live parts by protective impedance.
; E# h* a/ B( y7 K: [) f7 y. [) ]– #for voltages having a peak value over 15 kV, the energy in the discharge shall not2 }( F% Z5 ^1 O4 Y" v% ?0 b
exceed 350 mJ.
) w! _9 }- T& q# _. `- X, b8 i应该不算III类电器 但是应该可以算是安全的 |
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