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13号针只针对加强绝缘的装配缝隙。
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4.10.2 Any assembly gap with a width greater than 0,3 mm in supplementary insulation shall0 u. R) P+ V* @) X
not be coincidental with any such gap in basic insulation, nor shall any such gap in reinforced( l5 c8 w- N, u7 K1 _
insulation give straight access to live parts. [ i4 _& t9 g* ^
Openings larger than 0,3 mm in double or in reinforced insulation shall be designed so that
, ^. A" y4 G' r8 u6 Rlive parts cannot be touched with the conical pin of test probe 13 shown in Figure 9 of
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