|
请问这段话怎么理解?7 ^, l# x% }8 a B" ~' {" K* L
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:* z; v: M& K5 P1 l; P* ]! z# |
a) Carrying a current of 40 amperes for 2 minutes; and2 R* h( J& f5 `1 a( ~ q
b) A sample is subjected to a limited-short-circuit test using a test current of 200 amperes while3 I/ ?' o7 o1 i+ [: v& }
connected in series with a nonrenewable fuse rated 20 amperes.: J0 _' J- E& }& v
0 I, J" B Y" D, N0 p* E( `導體不可小於內部接地用導線?% B v- ~- m! ~$ l& m3 ?
9 r2 \$ t$ z$ J: B0 W$ ]! d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? |
|