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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:9 S) U1 a3 K: [9 [2 O* l2 m+ O3 C
: b2 D: B2 \. t$ q" hX.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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5 _/ [' p' E9 C0 x3 w( S7 R同时还应该注意标准的某些章节如UL1310:7 y- P! I$ Q6 ]# j6 W6 [. E
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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:9 z$ D* X" \4 {# Z/ G( O
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:2 ]4 M! v+ v( |+ z
5A.2 Requirements for Components, V6 s, K& s" I3 u! M
Section 5A.2 Added November 30, 2010
, k& [9 Z/ F4 L1 p1 a6 q/ ?3 v5A.2.1 Insulated Wire, Cable and Cords6 M4 s# @/ Q' ]0 O6 ?! x
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.$ B( U# V8 L" T; H7 E
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. X4 M/ U a- ?6 a/ }
5A.2.1.3 Internal wiring composed of insulated conductors shall comply with the Standard for Appliance Wiring Material, UL 758.: v0 V- B( ^" o4 R
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5A.2.13 Gaskets and Seals
) V9 Q6 j5 }0 f) Q8 e5A.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.
3 h1 d( p! `6 u. r( c5A.2.14 Printed Wiring Boards
N2 Q+ X8 t- r' l. ]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.# @, @ G9 H+ u% A# P' k- |
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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。
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