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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:
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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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* Y4 x0 k6 E) h, q同时还应该注意标准的某些章节如UL1310:8 \8 K; E/ g4 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:
/ Z* p+ \; Y. z6 w, R* F8 ca) 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. g2 a$ O5 Y2 |' g7 o; Y! n
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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 o7 N- p* k2 f2 F' h
5A.2 Requirements for Components* [5 Y: h6 [5 {2 p
Section 5A.2 Added November 30, 2010
5 m, P& M) S$ `5A.2.1 Insulated Wire, Cable and Cords. D) ~% |: U6 P
5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.9 K$ o% A1 J8 @5 b% y
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 817.8 C( X, `# M$ E8 M+ U6 k2 r2 S7 |
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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# _* W9 O8 K/ e5A.2.13 Gaskets and Seals( }% L# R& d# a J9 F( J
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.
! C! \8 x9 L9 W" y) @# L: \9 y8 c5A.2.14 Printed Wiring Boards& N- Q+ l& D: F
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., O$ x( ?+ y. @7 b) z
5 j! o: S0 i9 O8 S8 e; t# n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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