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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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! Y' t& f) k; y/ a' o; ^! h8 Marking, G# C, G3 ?' C
8.1 Accessories shall be marked as follows:2 C" d$ f2 \, F( r
– rated current in amperes;3 r x* `! ]5 V, z+ W
– rated voltage in volts;# ?/ g! l# y: l; u8 o( x
– symbol for nature of supply;
1 k0 C% U1 A9 y7 y4 \- w– manufacturer's or responsible vendor's name, trade mark or identification mark;
. u/ I) C, S8 W– type reference which may be a catalogue number;# u E- G1 A' `3 }( x& C
– first characteristic numeral for the degree of protection against access to hazardous parts
8 L. v/ g/ r4 gand against harmful effects due to ingress of solid foreign objects, if declared to be higher8 s4 Q+ P& M7 t% o
than 2, in which case the second characteristic numeral shall also be marked;4 V9 R) T3 V0 A1 w2 a* ^9 ~
– second characteristic numeral for the degree of protection against harmful effects due to
! i% t0 \2 |. J) `2 P: {ingress of water, if declared to be higher than 0, in which case the first characteristic1 D! d4 R1 s4 w) J/ r6 V; ^
numeral shall also be marked.
& v9 a2 X% u7 X& k7 j1 _4 @6 z0 aIf the system allows plugs of a certain IP rating to be introduced into socket-outlets having3 U5 v6 L, m4 j
another IP rating, attention should be drawn to the fact that the resulting degree of protection
& R9 J. c+ N9 P1 d8 h4 c/ s# sof the combination plug/socket-outlet is the lower of the two. They shall be stated in the$ A, o5 ~6 t o7 u( |/ V: m
manufacturer's literature related to the socket-outlet. |
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