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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。2 `# M3 R' L% V3 z6 |' U2 Z$ E
- a6 L, q5 ]3 o9 h' F8 Marking/ h9 c# a* [+ I! s% V
8.1 Accessories shall be marked as follows:# {- g2 @) e5 Y* Y2 O0 H5 g" L/ [- o
– rated current in amperes;' T' Y9 C% F/ G
– rated voltage in volts;
; o) b3 S: g, n4 E- o* F: N T– symbol for nature of supply;
6 K- r- x1 t+ S1 t5 [: O– manufacturer's or responsible vendor's name, trade mark or identification mark;
( R" ?7 O: X* T) n% {– type reference which may be a catalogue number;2 |, e+ Y( C1 M9 d- W! `& w
– first characteristic numeral for the degree of protection against access to hazardous parts0 [' r2 w6 K$ I" o
and against harmful effects due to ingress of solid foreign objects, if declared to be higher
% q1 V. A# Q4 p8 _) Sthan 2, in which case the second characteristic numeral shall also be marked;7 z* i' B0 ^: \: S( |
– second characteristic numeral for the degree of protection against harmful effects due to% n K+ _% Z R- c) p9 @. g3 X- W
ingress of water, if declared to be higher than 0, in which case the first characteristic# e9 K1 m. l( C# N8 c" o
numeral shall also be marked.$ S/ k/ h: F9 H0 {
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having
# [, G, z w- l; g# g3 I1 [9 q$ Ranother IP rating, attention should be drawn to the fact that the resulting degree of protection4 ^2 @) B, @4 l& ?
of the combination plug/socket-outlet is the lower of the two. They shall be stated in the/ r4 [, j' S1 J& B* f/ f
manufacturer's literature related to the socket-outlet. |
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