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怎么理解下面的意思(UL498-2001比较老了)
4 V' d# z! Y+ V* C(8 Insulating Materials)9 h" S+ ?$ k% D, Z
8.3 Electrical properties(条款里也有对绝缘材料厚度的要求)
1 k/ {7 \( f; V, o9 C( D$ J' M8.4 Thermal properties4 O/ ^1 [: T# s2 q
8.4.1 A polymeric material used for electrical insulation or enclosure of live parts shall have the relative) o0 f+ Y$ R3 I; i& q' t# L
thermal index ratings shown in Table 8.2 for the specific application of the insulating material. For
* h6 p) w6 s/ ~/ zmaterials with other than VTM flammability classifications, the material shall be evaluated using the
7 p3 d# q1 V# q; @1 X4 Vspecimen thickness employed in the end product or nominal 1/8 inch (3.2 mm) thickness, whichever is P$ }- ?7 J6 h. K7 T. X2 j
greater.
" g1 b3 y, y6 m. Z' W& U以上条款的绝缘材料的厚度要求是否对插头外围尺寸起限制作用.或者只是对材料测试时的一种要求. |
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