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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。/ B* t- V6 |: W. ~4 D2 L7 V4 o: L+ r
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8 Marking' v, G5 Y& G4 o4 L6 T6 L- T
8.1 Accessories shall be marked as follows:' {% `$ C9 U- V3 g+ D
– rated current in amperes;
3 A6 Q& r9 Q6 t– rated voltage in volts;! m% m/ ]9 I: W0 x9 |! F
– symbol for nature of supply;
6 z( i; S( j& `6 M7 c– manufacturer's or responsible vendor's name, trade mark or identification mark;
8 R) O, r N+ z* Q5 B8 ?5 q* U– type reference which may be a catalogue number;
. j1 ^- P: y6 n– first characteristic numeral for the degree of protection against access to hazardous parts
" m4 s! ]+ U1 B! b; G1 _7 d3 O( n! F2 Wand against harmful effects due to ingress of solid foreign objects, if declared to be higher
( c5 b$ ?: w9 L1 z& Jthan 2, in which case the second characteristic numeral shall also be marked;
" y* i' r9 D3 N: Y% ^– second characteristic numeral for the degree of protection against harmful effects due to
+ ?# }, a; ~9 |2 J* z, `% Z: \ingress of water, if declared to be higher than 0, in which case the first characteristic, N& C! A/ V0 d) W2 |6 T) o
numeral shall also be marked.( w$ K: ^4 O' ?) v7 B
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having
/ E4 c0 v0 K b/ D% p" oanother IP rating, attention should be drawn to the fact that the resulting degree of protection: @( t% I, |) X- W+ x0 z! {
of the combination plug/socket-outlet is the lower of the two. They shall be stated in the5 J/ j9 ~& R- E0 V# D
manufacturer's literature related to the socket-outlet. |
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