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请教一下大侠,IEC 60884-1里关于空气间隙和爬电距离的内容里有一部分不明白如下:* E! u K+ q7 D, C+ [
Distance through insulation sealing compound:' q: A* g. S, _. p/ g
11.between live parts covered with at least 2mm of sealing compound and the surface on which the main part of a socket outlet for surface mounting is mounted-4mm(这里是指插座面板厚度需大于4mm吗?,那怎么不规定插头的外壳厚度?)
2 h7 Q. Z" i, M12.between live parts covered with at least 2mm of sealing compound and the bottom of any conductor recess,if any,in the main part of a socket-outlet for surface mounting-2.5mm(这里是指插座底板厚度需大于2.5mm 吗?)
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