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1.2.4.2
. ~, M; Z# i, U" P V) V6 r0 TCLASS II EQUIPMENT9 L* a/ |; D5 C8 p. k
equipment in which protection against electric shock does not rely on BASIC INSULATION only,
9 U0 i# Y& D% O. k7 Nbut in which additional safety precautions, such as DOUBLE INSULATION or REINFORCED2 A5 M( G3 E6 {' `4 f
INSULATION are provided, there being no reliance on protective earthing* g7 P/ E) S) s+ \
1.2.4.32 ~: E! S- B% x( R! k
CLASS III EQUIPMENT
% w; ?6 J: x" ]equipment in which protection against electric shock relies upon supply from SELV CIRCUITS
9 x, m z% V7 V0 yand in which HAZARDOUS VOLTAGES are not generated
- ^3 m8 j+ {- r$ `NOTE For CLASS III EQUIPMENT, although there is no requirement for protection against electric shock, all other
+ C( B8 p6 z2 Yrequirements of the standard apply.
/ d0 d2 z2 A6 W" a根据这个定义,有可能是二类,也有可能是三类,取决于你供电是TNV还是SELV了。 |
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