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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C
! \2 J# t2 l9 \; N1 Eare permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in1 C0 [& s0 j y4 U
SINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED* p+ k& X+ T$ r; N
temperature exceeds 40 °C.
0 A1 o. W: @' f: ~' }& l2.If easily touched heated surfaces are necessary for the processing or heating of materials, or
, V$ }$ I; r3 j; Cwhere otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL0 ?0 ~: W3 P2 P5 _! z
CONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are
2 V8 S8 c ]$ ?6 G/ T8 e. \9 ?recognizable as such by appearance or function or are marked with symbol 13 of Table 1.
" {0 w0 F: ^% ~# E* |6 M" E- nEquipment heated by its environment to temperature values exceeding the values in Table 19# ~+ Q% }4 g' Q, z
in NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with
8 ~, N& e) r# w2 O5 s) F0 l3 V1 jsymbol 13: z3 q/ M: Z9 f6 v5 W
我就想问下红色的两句是什么意思,谢谢,理解起来很纠结7 B& X* `6 Q k
$ g _4 Y# j4 R8 s" ~" H. ]4 K! f- ? |
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