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哇!機會難得!請教開孔的問題
8 e! M% E. X& B( ~ y; Y如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?
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- y5 M9 p8 R7 Y" X5 s2 D) ]1 VUL60950-1 4.6.1 提到:' Y1 B) _/ ?: M; G9 A, i; n2 `7 Q, H
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.
; A& X2 ? m$ D8 v如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?" @6 s' V: [ J3 Q! h3 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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