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哇!機會難得!請教開孔的問題9 B) e- k+ H* p2 @4 p9 e
如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?# _% i% s! o5 u6 B2 z
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UL60950-1 4.6.1 提到:6 X2 }8 s# K% J: b$ J' o) P
Where 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./ Z1 E: d& Z% N1 ~" B- ~; Y6 J
如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?
/ c, }" P4 V! z( n8 a0 \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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