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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:/ i- P7 ^; ?- p( O8 N
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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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! F2 N% j" I; E# o同时还应该注意标准的某些章节如UL1310:/ ?6 A7 S/ u7 p; F; D- R& H$ }0 P
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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:! s- h4 u- b& P
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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# K: H j( I: |% C" _( Z- x/ h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:
0 S$ i, P; D% C9 B: V+ v8 m5A.2 Requirements for Components! E4 m2 `5 Z( q6 _0 N' }
Section 5A.2 Added November 30, 2010: A: s( V' S. g U$ ?: n
5A.2.1 Insulated Wire, Cable and Cords
$ u1 P: M- b9 u4 X% I$ m5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.
( [8 v6 M7 Z$ R/ Q5A.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 d+ Z! N9 |5 D% ^4 I$ d8 L
5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.' L1 ^2 Q# C+ ^2 s
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5A.2.13 Gaskets and Seals! _9 R$ k' A# }% Y/ v% ^- b
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.
# c0 N' n; J# b+ c! k* F' j/ c* [5A.2.14 Printed Wiring Boards# G) j! u5 R. _7 e8 S7 w) @
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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3 ~9 z, P' T# Y7 x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。
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