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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:1 c6 I7 B9 f+ X2 [
9 r( T9 L7 E* x9 yX.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:
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, b8 \, F- G F& K7 e0 \# M& @& w8 P12.2 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:& S$ i8 L5 h2 O! k- }$ f; y
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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4 `( R4 b) D4 P8 k" G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:
. _7 H- B& l' c5 S1 ^+ |. V* j. I5A.2 Requirements for Components
) ]1 Z6 v1 W$ c5 WSection 5A.2 Added November 30, 2010
0 P$ \0 m( h1 |; T K3 ?. w5A.2.1 Insulated Wire, Cable and Cords1 Z/ ]' S: @$ x
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.
. }4 y' V9 L6 n8 n2 D6 D' k' l0 p4 [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.% _% }4 ^+ @ `4 l' Q0 D9 f2 k
5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.
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5A.2.13 Gaskets and Seals
& z% J# W# h$ S# P# O+ ?- M# z5A.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., A. E% @+ Y+ k0 a/ V& |
5A.2.14 Printed Wiring Boards
) D, E+ |; g" r3 b# Y: Y, @- g4 ^9 |5 o5A.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." ]! b( t$ t( v; s
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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。5 b. g0 N- r* e4 l, |) [9 S
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