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tianchi0305 : ~: o( N0 x! ~# F$ k4 V6 M" \
你好,
x8 A" C1 f( X你的意思是到底需要接地还是不需要?...0 r$ Y: Y0 j- n8 O( t
/ I; b, E: ~( y6 v5 ^& A# @9 P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), E4 i) b$ t& x n
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.4 d* q0 X9 y' ~/ v: P! U7 K
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5.21 Grounding and bonding
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5.21.1 Commercial equipment shall be grounded, except equipment that
# Q& t! d0 @ M+ A8 }2 r(a)does not have “exposed”* conductive parts that can become energized; and - ?3 Z( U! \0 s; s3 u2 t
(b)complies with the requirements of Clause8.5.
1 v/ [' n7 i# ?*”Exposed” is determined by the requirements of Clause5.3 |
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