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请问这段话怎么理解？) Q( C; E$ X& h; V
With respect to 23.2.6, a bonding conductor that is smaller than any internal conductor supplying the part to be bonded is acceptable if, using a separate sample for each test, neither the bonding conductor nor the connection opens when:; b+ P( t% h+ s" n' A
a) Carrying a current of 40 amperes for 2 minutes; and( u6 T7 }) \. ~0 B' d" _; S
b) A sample is subjected to a limited-short-circuit test using a test current of 200 amperes while* Y V# L. ]) R6 E* T( W9 z
connected in series with a nonrenewable fuse rated 20 amperes.
! a/ `) z9 i9 U, z# y7 y9 o
2 a3 ]% o* F2 l! _ Q- d/ q) i6 @# Q導體不可小於內部接地用導線？
1 {6 k! R& }$ r, Z! z4 j
- ]8 M) R6 d. L- M不知道该怎样理解，这里的导体怎么理解？是哪方面不能比内部接地用导线小？ |
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发表于 2009-10-16 22:36
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