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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$ i" s% r" Q- k: C$ G% a0 c
: K( V- R0 e0 q fX.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. q$ }% P9 ]' W/ {1 T8 ~% w
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同时还应该注意标准的某些章节如UL1310:8 ~3 t! e2 Q9 N6 f
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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:+ K; V6 ?& D- Y, t) Z5 e; U
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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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:# p2 F: B$ c' C3 p8 A
5A.2 Requirements for Components1 R8 E/ b9 f: ~: g: f
Section 5A.2 Added November 30, 2010
1 u9 |0 E+ O" u# v- q: I3 R5A.2.1 Insulated Wire, Cable and Cords/ \0 f I9 C& S8 c
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." L: _- w- w% o9 k+ }7 P) K7 J# p
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.$ w0 y. i- p5 X c
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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+ q! b9 @) t% f8 g+ W5A.2.13 Gaskets and Seals$ c5 H/ X0 U' `; }* K
5A.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., [: g' B; m& R! `! f5 Q
5A.2.14 Printed Wiring Boards
% ?8 m' Y4 I! e& W# ~ C5A.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.! x$ k1 R+ P7 t7 n$ y
& d. q9 d: N& K; l6 ^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。4 k+ B1 s1 T0 ?) Z0 _6 t. a
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