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哇!機會難得!請教開孔的問題9 V9 P; ^! q5 v- @! Z
如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?
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5 W9 b/ n( [6 S# zUL60950-1 4.6.1 提到:0 `8 o/ c8 |7 X& B
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.6 @+ s- C, X7 u( [" l9 J- d/ K6 V: u
如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?
6 Q: ^, @7 d; W" w7 V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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