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哇!機會難得!請教開孔的問題
6 E, O$ N6 C- U- `) X2 o% p如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?; J: n$ A( _8 j' _. Z
: ]; f8 G {! \! f" A1 RUL60950-1 4.6.1 提到:
$ U9 s! W2 C: x! d0 y. JWhere 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.
! @1 U' A1 ]3 B0 D如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?
, R) |& [% t% h2 b' H9 l i+ Q" O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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