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tianchi0305
7 K* t" k2 z$ A8 W& b你好,: `/ Q7 x1 @2 n. h7 L+ [+ N
你的意思是到底需要接地还是不需要?...
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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),
; I3 z0 G' ~+ j, c+ |$ z/ Q8 |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.. x5 Y2 ?8 s/ `+ q" b3 n( M
! Q' ?3 M% E1 ^* z5.21 Grounding and bonding# x! N; `4 J3 `" h( [6 |9 Y: [. P
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5.21.1 Commercial equipment shall be grounded, except equipment that * v6 r" x$ f/ f& E8 L7 f
(a)does not have “exposed”* conductive parts that can become energized; and / o! M) p3 q& ^
(b)complies with the requirements of Clause8.5./ F. |! u5 i/ {& x2 ~8 r
*”Exposed” is determined by the requirements of Clause5.3 |
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