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jsspace 发表于 2014-7-8 08:56
* X& t) r: P7 [0 U. I0 l这个测试还需要参考SA6.1.4, SA8.20.1
; X7 p! `; n' P) B; V' v# {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。6 K) B! P/ S! c
而且这 ... " G0 _6 |5 ?. S$ V5 Z4 j
SA6.1.4 For devices substituting for linear fluorescent lamps, Clause SA6.13, some contacts for the G58 _& Z# [8 ` S3 g4 J
or G13 lamp bases are not used for electrical connections and will only be intended for mechanical4 y, W: R" ^0 @4 l
support of the lamp. Such contacts shall have no connection, and, if two unused contacts are in a single
6 M3 D2 Y( X4 w9 y, W" W. y% Xlamp base, the contacts shall not be connected (short-circuited) together or be connected (short-circuited)* u K) m1 C7 D
to any dead metal part of the lamp base. These devices shall be subjected to the Isolation of lamp pins,9 [' b# D; C s5 w
Clause SA8.20.、+ _5 _; q4 |* R- K1 e( 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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