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怎么理解下面的意思(UL498-2001比较老了)
, d6 s1 Q7 B- A) h(8 Insulating Materials)# K% B) Y3 {; t/ b1 p6 U* k
8.3 Electrical properties(条款里也有对绝缘材料厚度的要求)
+ V+ |; B7 Y( W9 _7 t% E8.4 Thermal properties1 Z* k N& K( R1 Q
8.4.1 A polymeric material used for electrical insulation or enclosure of live parts shall have the relative$ U6 U" c" N! s* J" f* F
thermal index ratings shown in Table 8.2 for the specific application of the insulating material. For
9 u6 p" {" n3 Hmaterials with other than VTM flammability classifications, the material shall be evaluated using the% C' Q- ]# A: `0 p% |( j* t4 [: B) k' `
specimen thickness employed in the end product or nominal 1/8 inch (3.2 mm) thickness, whichever is( e5 E1 ?$ u$ g% a) u- @
greater.
. e, H5 Y; n% n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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