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哇!機會難得!請教開孔的問題* u3 D1 g5 b5 P1 g, L) S. m+ H. E3 t
如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?
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UL60950-1 4.6.1 提到:
( A1 M0 F+ _# {4 d5 BWhere a portion of the side of a FIRE ENCLOSURE falls within the area traced out by the 5 angle in figure 4E, the limitation in 4.6.2 on sizes of openings in bottoms of FIRE ECLOSURES also apply to this portion of the side.* T5 K# n( r& T* V. Q0 U
如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?$ `" x0 d, X. r: z* _
有相關的軟件嗎?還是用目測拉5度的方法。請賜教。 |
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