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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。
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8 t/ E6 Z8 z2 w7 W: ]' `8 Marking
# n/ ]$ S9 t( b$ t* y! m8.1 Accessories shall be marked as follows:
8 G3 J$ H' R6 ~7 W( o8 X& C8 [– rated current in amperes;2 t; c& D! J# Z
– rated voltage in volts;5 J& |9 K/ Q& _& ^. ?5 Z
– symbol for nature of supply;
J$ M& H1 I* n% n8 J7 \/ e– manufacturer's or responsible vendor's name, trade mark or identification mark;
7 o. W) \7 `; ?" b0 B( ^– type reference which may be a catalogue number;1 ^8 d! x! J: f& g# v; O
– first characteristic numeral for the degree of protection against access to hazardous parts
5 I& V0 M9 S- U. q3 mand against harmful effects due to ingress of solid foreign objects, if declared to be higher
1 W4 f1 Q y* R5 \. ]8 |1 f' D# fthan 2, in which case the second characteristic numeral shall also be marked;5 N5 L0 G; H( t0 ^$ _
– second characteristic numeral for the degree of protection against harmful effects due to' _' T* _' Q0 P0 P1 K2 R
ingress of water, if declared to be higher than 0, in which case the first characteristic
. r) k, Y& k% R' r- B. w( ~numeral shall also be marked.
6 E; D, m0 K3 N9 ` s- U& {If the system allows plugs of a certain IP rating to be introduced into socket-outlets having6 f) i0 V5 k# y# ?( M* Y: `2 ~
another IP rating, attention should be drawn to the fact that the resulting degree of protection( d; y$ P3 i2 g9 j
of the combination plug/socket-outlet is the lower of the two. They shall be stated in the
( I0 @' o @- V/ L, Omanufacturer's literature related to the socket-outlet. |
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