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tianchi0305 / \) ]4 L q# D, R. [
你好,
0 ^: [0 u- |5 {+ }. a0 c ~你的意思是到底需要接地还是不需要?...
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6 \( b8 v2 [. T% r: \从标准CSA 36上看, 至少有两条路, 要么接地, 要么走下面的试验与结构判断那条路(可以不接地),- H2 c4 A2 ~3 ]- |
结构的判定重点集中在exposed的判定(依据5.3条款), 而试验则需要在集中在泄漏测量与非正常试验.9 l p1 j) A4 l! r; a# A
& Z$ K0 M: k) |1 C: @' h1 }. _ f) e5.21 Grounding and bonding' E' I/ q! ]0 H9 g4 e
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5.21.1 Commercial equipment shall be grounded, except equipment that
7 i% ^. W$ @9 q(a)does not have “exposed”* conductive parts that can become energized; and 7 e9 l3 O2 k1 u' a& j. W% \
(b)complies with the requirements of Clause8.5.
8 n& x/ M4 f5 ?* ?7 n*”Exposed” is determined by the requirements of Clause5.3 |
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