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8.1.4 An accessible part is not considered to be live if
/ z: D+ Y) x! Z# L– the part is supplied at safety extra-low voltage, provided that
( H/ v" G4 e9 Q$ O• for a.c., the peak value of the voltage does not exceed 42,4 V,
9 m* b# o- ~& I• for d.c., the voltage does not exceed 42,4 V,
9 C! A& D, h# }: Yor+ {+ b$ E& p* Q$ u! @. f& c1 l
– the part is separated from live parts by protective impedance.
2 z0 `' g$ ^% Q, C" E1 t. @5 `; [' B– #for voltages having a peak value over 15 kV, the energy in the discharge shall not+ e/ x! n8 t! g; H2 Q$ E' |+ N. ~% d
exceed 350 mJ.' B! f+ j; e4 B' I! B: i( g
应该不算III类电器 但是应该可以算是安全的 |
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