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1. Easily touched surfaces of equipment RATED for a maximum ambient temperature above 40 °C4 ~1 p8 y8 o* r
are permitted to exceed the values of Table 19 in NORMAL CONDITION, and to exceed 105 °C in2 h; L8 q5 u& \% m3 ?
SINGLE FAULT CONDITION, by not more than the amount by which the maximum RATED$ n) q) v' T: G O9 [& C/ q# I
temperature exceeds 40 °C.
5 R7 j! l# b% S& B2.If easily touched heated surfaces are necessary for the processing or heating of materials, or
! O9 e. w6 _+ \: Owhere otherwise not avoidable, they are permitted to exceed the values of Table 19 in NORMAL. e r3 v# C2 Q; u9 ]( L- _) s
CONDITION and to exceed 105 °C in SINGLE FAULT CONDITION, provided that they are1 B! o4 n4 y. ^: x0 w
recognizable as such by appearance or function or are marked with symbol 13 of Table 1.4 p4 V4 F3 x5 _$ B- R
Equipment heated by its environment to temperature values exceeding the values in Table 19
9 _$ |' h v3 xin NORMAL CONDITION and 105 °C in SINGLE FAULT CONDITION need not to be marked with& c; O `* |) ?6 Z: k. C/ d
symbol 130 q4 n- c y% A6 [+ 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9 A# r8 t/ {8 `
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