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哇!機會難得!請教開孔的問題
& B0 i0 P; |( ^5 v! A, k0 V1 C: c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:$ R9 [' h) U' x9 f" N
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.
! T1 {# D! @9 W3 T3 ]如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?
* @) g- P5 X( C" N, Y3 z3 P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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