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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 Marking
; j/ ?" C& o9 e# h8 v" R5 K, V( s8.1 Accessories shall be marked as follows:2 M) A; C3 ]4 s! x* F3 S) M* B
– rated current in amperes;/ v4 B) O2 E1 w2 G1 W/ `
– rated voltage in volts;. s) u u: C6 S! @7 y6 [. O
– symbol for nature of supply;
' M1 H j Z% L9 k: Z– manufacturer's or responsible vendor's name, trade mark or identification mark;
, _9 E, f c, E+ g1 d– type reference which may be a catalogue number;
2 m8 G+ T5 T% d, j2 l# ~) G– first characteristic numeral for the degree of protection against access to hazardous parts8 R# i$ \7 {6 G0 k1 d, J- B* n
and against harmful effects due to ingress of solid foreign objects, if declared to be higher
1 S! ]2 o2 |; }7 p2 M+ K1 x" }than 2, in which case the second characteristic numeral shall also be marked;6 o3 `+ E+ c. x" U. T
– second characteristic numeral for the degree of protection against harmful effects due to
8 E1 m. F0 b. g2 pingress of water, if declared to be higher than 0, in which case the first characteristic
0 X, P C$ s5 g0 H0 ~numeral shall also be marked.
% p: ~, o7 l3 ^+ ]If the system allows plugs of a certain IP rating to be introduced into socket-outlets having, r3 m" Y( l" ?, i1 P
another IP rating, attention should be drawn to the fact that the resulting degree of protection
; Z* a c. E4 {. h' Y3 y5 Rof the combination plug/socket-outlet is the lower of the two. They shall be stated in the7 @7 r) i4 \: t: p
manufacturer's literature related to the socket-outlet. |
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