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在不同 volume 之用途, UL 没有特別界定清楚, 但可以举几个例子作参考:, \) {7 m e8 l; ~) F' H* p
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例 1:! o' J1 g' k- W. ]8 a
Volume 1: Power tools (Listed)
7 V3 q8 C8 u3 r9 G! `Volume 2: Recognized components for power tools# X/ ]2 ~$ X4 e; g& R5 \4 f, n' m
+ J$ Z9 B J% X! j. [例 2:9 o4 ~ E8 r/ B: m& z
Volume 1: Air purifier (Listed)
' Z9 [6 _0 f0 K, [2 }Volume 2: Unlisted components for air purifier1 @5 A* ^% r$ D V4 B3 \5 |+ r
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例 3:1 z! F" {" \3 g0 K
Volume 1: Switches for current carrying (Recognized components)
, I6 a4 v. ^1 A# f/ A) V, K% [Volume 2: Switches for signal reversing (Recognized components)
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例 4:. e' F3 Z: `/ }5 G& Z' k
Volume 1: Switches (Recognized components)7 P4 }. H4 k. y {4 O- G
Volume 2: Switches (Recognized components) 部份 volume 1 型号, 不是全部。
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