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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C7 w7 E7 F T' ^8 r9 |, X. i
are permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in
, p% ^7 i/ h" r/ U& c/ _9 NSINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED
1 L, ^; J! v3 B2 f. Ctemperature exceeds 40 °C.
+ W0 _; p: c5 a! a& u `( i* L2.If easily touched heated surfaces are necessary for the processing or heating of materials, or
2 l6 q, ]; `2 [$ X8 \" [where otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL/ @! V& J7 y2 E+ ^' L" r' j
CONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are
0 I4 m3 C3 \/ F2 f$ irecognizable as such by appearance or function or are marked with symbol 13 of Table 1.7 f) z8 t d* }% L1 V
Equipment heated by its environment to temperature values exceeding the values in Table 19
) A+ c& F0 V' @4 q0 rin NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with d. t: L* l3 h* H* n/ s- A) f
symbol 13
, O- I* L8 s2 X$ B: x3 s我就想问下红色的两句是什么意思,谢谢,理解起来很纠结
- W8 D4 l/ a4 t
& f+ |/ V' n5 s9 B2 a# p4 u! ^5 m |
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