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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.. l, c% c; @9 V
5 U: }1 |' B9 [8 q同时还应该注意标准的某些章节如UL1310:0 H/ c7 J0 W1 W4 y
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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:( d2 B% N! D2 o! {$ @ s
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/ V* x1 H$ d" k; G' Y/ J; E
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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:* q8 C1 D# m( n6 T9 Q% C
5A.2 Requirements for Components* n: e3 k$ j+ g6 Y
Section 5A.2 Added November 30, 2010
: [1 b9 a! I! `+ x* ?2 n5 k& c; @5A.2.1 Insulated Wire, Cable and Cords$ g# c- t" q7 h6 i
5A.2.1.1 A cord set or power supply cord shall comply with the Standard for Cord Sets and Power Supply Cords, UL 817.7 k# Z! y$ W1 V" F
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.
; e. |7 j, O) ]' t5 u( X- [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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6 m' Z! B7 N% z' g4 }8 P5A.2.13 Gaskets and Seals+ g* s! R8 Y( X0 p' q
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.
7 o" q; ]+ C/ `8 m0 \: q5A.2.14 Printed Wiring Boards. L9 S$ ], ^5 v' z/ ~ G: Y* ^
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.# Z1 `% R( S0 j* D- A2 g
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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。 z R+ |0 p( H1 T0 ?1 w- K
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