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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C
- n7 @ k0 K8 s% Fare permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in a7 P' ~, A/ J$ e- E
SINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED4 m: e; H8 W; d0 x7 u* v
temperature exceeds 40 °C.: }) \7 q3 P4 R$ N& i& d+ Z7 T
2.If easily touched heated surfaces are necessary for the processing or heating of materials, or: j% V \0 P/ Z! i- A( b3 I
where otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL0 m- b* `& o* N% r
CONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are
3 Y" `( s8 g7 A5 ~% Erecognizable as such by appearance or function or are marked with symbol 13 of Table 1.% U6 T) F" @" G- w: \
Equipment heated by its environment to temperature values exceeding the values in Table 19! k4 i* J4 o1 M/ _$ e
in NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with' }8 u. I2 w' h. K. j1 e
symbol 13
/ T$ T% l0 A/ q8 \& E9 `" _我就想问下红色的两句是什么意思,谢谢,理解起来很纠结# t2 B( K* ~. t
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