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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C
9 i" M8 l3 Y! Y- [are permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in
% `# q# e" N1 ?7 N1 p# d7 ~SINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED
7 e2 ]9 ]0 n' u8 N0 u+ Ftemperature exceeds 40 °C." Z* D* l0 H3 E% Q# R
2.If easily touched heated surfaces are necessary for the processing or heating of materials, or
+ L6 k' c2 F- @- U" J& swhere otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL
! {# J; p/ Q+ X5 F& N7 qCONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are, b6 G6 q$ A& }3 I0 Y! C8 ?7 E
recognizable as such by appearance or function or are marked with symbol 13 of Table 1.
1 W" M7 D7 j$ _Equipment heated by its environment to temperature values exceeding the values in Table 195 ]+ N2 W4 T& J, i3 E
in NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with: {; r o# w) l# W2 L5 z
symbol 13* p- g/ X2 n6 b- L/ s0 U ~# V [
我就想问下红色的两句是什么意思,谢谢,理解起来很纠结4 b% k2 P$ [! r# C, u
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