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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C
* ?8 ^7 Z2 f* qare permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in, c0 i r. u4 p+ [
SINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED
9 i4 T1 c3 b* ^9 stemperature exceeds 40 °C.
4 k. W9 O- F& L5 a' J0 o0 ]2.If easily touched heated surfaces are necessary for the processing or heating of materials, or8 \# @( ]9 ~( f/ P3 f
where otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL
/ T' v4 s- _; V2 ?% N- RCONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are) c9 v( F9 m) v6 \
recognizable as such by appearance or function or are marked with symbol 13 of Table 1.* H3 B9 m: J) V
Equipment heated by its environment to temperature values exceeding the values in Table 19+ w2 z# Z/ K& g6 J% Y. Q
in NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with
- C1 g5 F6 b: g h" z1 f) y9 }: @symbol 13
- }/ f9 L) `" A' h: T4 A我就想问下红色的两句是什么意思,谢谢,理解起来很纠结
8 n* v) t% G. F0 P' ]- d
$ ~, B( [8 R; _3 {- T# ` |
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