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楼主 |
发表于 2009-6-24 10:23
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,Except for insulation between parts of different polarity DIRECTLY CONNECTED TO THE MAINS,
6 R3 f# x% p- J f& W4 gCLEARANCES and CREEPAGE DISTANCES smaller than those specified are allowed but are subject
, }' ~5 w2 d7 e v& vto the requirements of 4.3.1, 4.3.2 and 11.2.$ B5 F4 M$ o9 V. j1 q. t
( O! e; X) A$ W, `& i/ f何为"EXCEPT FOR",理解这个就好理解整句话了
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有英文水平高点的,看看是不是我说的意思?; e6 i L. ~: `7 P7 d; a
“直接与电网电源连接的处的电气间隙和爬电距离允许减少,不用满足标准4.3.1;4.3.2;11.2条的相关要求。其它位置允许减少,但要满足标准4.3.1;4.3.2;11.2条的相关要求”1 E) q* G: W" k$ |$ W& \
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目前CCC认证,只要能够满足标准13.1规定的三个条件,都是允许减少。 |
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