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UL自己出的每一个标准都会几乎都有这么一个章节或类似的章节:; U# k ?2 g% h. L# G
7 q9 Y7 Z3 ]) J+ t' O5 H" mX.1 Except as indicated in 4X.2, a component of a product covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standards covering components generally used in the products covered by this standard.
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同时还应该注意标准的某些章节如UL1310:; Q4 g7 E% R, Z8 V
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12.2 There shall be no components connected between primary and output circuits which result in a conductive connection (see 5.4). If capacitive coupling is provided between primary and output circuits, it shall consist of either:( L: F" }; S. i5 \, ~7 Q
a) A capacitor complying with the antenna coupling requirements specified in the Standard for Capacitors and Suppressors for Radio- and Television-Type Appliances, UL 1414; or
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% ~$ c/ u% x% a; R* _2 s2 Y现在UL的一些标准也在做改进,如UL499则开始抛弃Appendix A的传统要求,开始细化到具体要求如:
4 [7 X" [1 b2 d8 w8 r4 w+ a5A.2 Requirements for Components
, }! f5 o' T+ {0 g- RSection 5A.2 Added November 30, 2010
6 E4 L2 L1 L( T7 T& c4 Z5A.2.1 Insulated Wire, Cable and Cords
. z, E( o( o) }: \5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.: m4 h5 @. n4 |* r K/ o% `
5A.2.1.2 Flexible cord and cables shall comply with the Standard for Flexible Cords and Cables, UL 62. Flexible cord and cables are considered to fulfill this requirement when preassembled in a cord set or power supply cord complying with Standard for Cord Sets and Power Supply Cords, UL 817.2 J% V* O, ?+ b# Z
5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758." E& ~( t6 w2 E L2 h& g4 j. c
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5A.2.13 Gaskets and Seals
( d7 O; I V: {. B% c5A.2.13.1 Gaskets and seals that comply with the Standard for Gaskets and Seals, UL 157, are considered to fulfill the requirements of 33.1.4 and 33.1.5.
+ H( l6 d, `) K5A.2.14 Printed Wiring Boards
! \% n" _% ^. _2 W+ S3 K5A.2.14.1 Printed wiring boards shall comply with the Standard for Printed-Wiring Boards, UL 796. Unless otherwise specified, the flammability class shall be that specified for insulating materials." p9 P9 `0 \) E9 G: o
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可以看出,其实UL标准对于零部件的具体要求是非常明确的。2 @' x) |% c' }* i& z, j8 z
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