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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:# Q7 P% u3 l. O
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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.) y5 I9 H, ~( `7 D3 X
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同时还应该注意标准的某些章节如UL1310:* N B0 w- w: i+ A
3 Z$ u7 R ^6 r( r, V12.2 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:
7 c& V4 L! B- h" I* aa) 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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9 i$ y" F* ^! h) _4 v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:
+ i( B: p% A' \* m3 c! R% {4 p7 x# Z5A.2 Requirements for Components% S# X( H% e* E% [' l- K0 g
Section 5A.2 Added November 30, 2010* J9 M. `* Z& d5 L# y9 M8 f
5A.2.1 Insulated Wire, Cable and Cords
# M* e$ k7 k: G- k5A.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 h; z) B. I; S9 u% K F5A.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./ r4 U' h% ?& K( F! P
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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5A.2.13 Gaskets and Seals
6 }& F6 V. Y3 G9 w5A.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.
- H3 M E% c0 N$ E$ V% \5A.2.14 Printed Wiring Boards
" R* K# k: \( Q9 n) Y5A.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.1 Z( D% Q' e1 H2 ^2 Z- z- x
( J4 h% \8 a( E W4 D/ o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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