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8.1.4 An accessible part is not considered to be live if! ?" n: S3 {# g" _( l" b
– the part is supplied at safety extra-low voltage, provided that; b- P4 x* \3 m6 N9 s, k
• for a.c., the peak value of the voltage does not exceed 42,4 V,& i9 U# ~& h2 j j, ~$ ?2 @4 y* ~6 a
• for d.c., the voltage does not exceed 42,4 V,
4 Y6 Y; J# P# t) D6 o2 n5 sor) e& w% X2 A; ^- O6 ^4 }- A2 J
– the part is separated from live parts by protective impedance.4 m$ {3 m5 k/ }* t/ |0 A( F+ ` b
– #for voltages having a peak value over 15 kV, the energy in the discharge shall not
+ i' \: g; f) I, X) X, Texceed 350 mJ.
* K! B( S+ R" @4 W" T应该不算III类电器 但是应该可以算是安全的 |
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