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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: s8 I' p9 Z1 F- ]/ U& ~
- n, r; c" I1 N# R+ @X.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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e( e1 |# [6 J9 Q' T; \7 E' a同时还应该注意标准的某些章节如UL1310:! j; E% Z5 E, S. Z
0 w+ l0 [. Y: l2 s12.2 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:; i+ }, V% }4 [& d/ f5 H
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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. q6 G4 ^( |/ W' I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:
{5 \' L" u- K: g4 p5A.2 Requirements for Components
, Y% _6 O9 X3 O+ MSection 5A.2 Added November 30, 20101 o9 [) C$ }3 {4 ]: J4 v$ S) y
5A.2.1 Insulated Wire, Cable and Cords/ U* c; T' i# T
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.: n4 O( u4 b! q: \9 o& t2 Q
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.
" g- [' F$ ^! b5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.
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2 x) ~0 X& @ y o9 H$ H f5A.2.13 Gaskets and Seals j: n2 u+ p C0 f% s
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.
' f, ]7 W4 k9 E5A.2.14 Printed Wiring Boards8 R% {& S% t' c/ _
5A.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.
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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。" ^1 U- p2 w, o
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