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jsspace 发表于 2014-7-8 08:56
1 f( _6 o3 a5 U2 x0 v7 B3 Y3 X这个测试还需要参考SA6.1.4, SA8.20.1
4 L. E# d$ \# ~/ G3 f这个测试是针对两个PIN之间的绝缘,所以UL的做法是正确的。
0 q6 q3 d1 _$ U) @+ a而且这 ... , a, K" f ?/ X. _% N' e6 u5 L
SA6.1.4 For devices substituting for linear fluorescent lamps, Clause SA6.13, some contacts for the G5) J/ t `5 O" _. j2 D. F
or G13 lamp bases are not used for electrical connections and will only be intended for mechanical& g% G! x/ L/ G [0 G
support of the lamp. Such contacts shall have no connection, and, if two unused contacts are in a single0 j$ n; |. d3 H
lamp base, the contacts shall not be connected (short-circuited) together or be connected (short-circuited)9 Y% B8 D1 G' X
to any dead metal part of the lamp base. These devices shall be subjected to the Isolation of lamp pins,
& J8 l) z( R2 GClause SA8.20.、
. @8 R# n( `4 [9 g G$ G我认为呢? 它是考虑单端输入灯管两端的绝缘强度。所以我感觉ITS的做法是对的? |
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