3 ^) l7 _0 M" N& Y+ p– for pluggable equipment type A, the protective current rating is the rating of an, Z: `5 c8 f$ g" H3 v
overcurrent protective device provided external to the equipment (for example, in the t" v# V( M: T% U# D2 o2 _2 nbuilding wiring, in the mains plug or in an equipment rack), with a minimum of 16 A; l7 E: [6 h9 v6 HNOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit% e" g5 i! b2 J# I- P! F$ `1 R- t: ]
supplied from the mains.6 A" k" a8 _ `' v
NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is+ K+ I. {; P, U
taken as 20 A. 7 ^( e# T+ r+ Q8 |& v4 D. N1 d3 |4 ~/ k6 B, q7 g
NOTE 3 In the UK and Ireland the protective current rating is taken to be 13 A, this being the largest rating; j0 s4 h, ^: \& x8 E
of fuse used in the mains plug9 b& }* E$ e5 M( d- u# `/ Y
. L+ S! H: u, d6 `. k) V) q
" t- @8 g1 s% p3 V" f1 x2 n s7 ]0 V; s 2018版 m& D# i7 B* e# u$ R相同部分省略 8 |( H+ x* N+ }8 T& {9 f/ v k3 M; bNOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is- a. C! w$ h! d5 o) _& r- ] taken as 20 A instead of 16 A. 6 _4 e! ? R& v9 q6 M 4 A4 w, z& q) e( b* W2 h' } . D' x; b* o; G: P7 R/ Q* f法国在某些情况下，保护电流额定值为20A， 那是不是IEC和CE里，，需要用40A评估接地电阻了。+ _* o7 Z( B9 |* i