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欧标插头参考的标准是IEC60884,此标准对于Marking的要求(如下)没有说明要印接地线、中性线和带电极符号,所以是可以不用印的。
8 |. t5 T. {$ f: H$ u0 E; U4 y; D- j0 M1 E' c
8 Marking
; F: c: |, A4 A, w k8.1 Accessories shall be marked as follows:# [9 h6 e4 L) o/ P) [% i9 T" Q
– rated current in amperes;1 y7 R3 m- |9 |, D8 C
– rated voltage in volts;
% R& X$ H" a5 J) A1 |+ {– symbol for nature of supply;
$ T O2 [4 a: B1 j+ _– manufacturer's or responsible vendor's name, trade mark or identification mark;* E) {* Q4 P V5 W
– type reference which may be a catalogue number;: Z$ i; p8 G6 {7 B; e% H
– first characteristic numeral for the degree of protection against access to hazardous parts5 M4 `0 L) ?, ~% t4 _- q( }
and against harmful effects due to ingress of solid foreign objects, if declared to be higher
7 m J% N; `$ @4 Lthan 2, in which case the second characteristic numeral shall also be marked;
K1 \( q; l: t! G" ?– second characteristic numeral for the degree of protection against harmful effects due to" D8 W/ y* j+ e* m; g0 L
ingress of water, if declared to be higher than 0, in which case the first characteristic# @- Z5 n- Q& a. r. R$ U/ c# u5 O0 d
numeral shall also be marked.
- F* D/ A4 ?/ W- o2 m5 ^$ AIf the system allows plugs of a certain IP rating to be introduced into socket-outlets having
% X5 X$ f+ e: v9 m% U( _& ]0 W' D& \another IP rating, attention should be drawn to the fact that the resulting degree of protection! _( `; z4 s0 g5 @/ T t
of the combination plug/socket-outlet is the lower of the two. They shall be stated in the
+ Q; h% k% N7 @, amanufacturer's literature related to the socket-outlet. |
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