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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。3 e7 f T5 n- b( ?" N* b
8 H7 E& C/ X( q8 Marking8 d% {, a$ F# h: E( q& `8 W
8.1 Accessories shall be marked as follows:0 z$ @# C5 p" o9 D- H1 Q2 Q+ |
– rated current in amperes;
9 [! f' j0 c) i$ J- H; _– rated voltage in volts;
2 X* Q' L9 P! j/ `) Y, N6 [– symbol for nature of supply;
( e& b- j3 y- k; P" [+ m4 k– manufacturer's or responsible vendor's name, trade mark or identification mark;
0 \, c8 y/ L7 P% r# H/ e– type reference which may be a catalogue number;& o, Z( W! @2 o
– first characteristic numeral for the degree of protection against access to hazardous parts
- a5 d& U. m/ t9 Sand against harmful effects due to ingress of solid foreign objects, if declared to be higher% V0 L$ Z& J6 ]1 f7 k
than 2, in which case the second characteristic numeral shall also be marked;
" e$ q3 b2 M" Z# ~0 z– second characteristic numeral for the degree of protection against harmful effects due to
; c% Z0 Y+ W* J) X$ D, uingress of water, if declared to be higher than 0, in which case the first characteristic5 h: R" @& Q8 _2 h/ B) [4 g
numeral shall also be marked.5 z( j. ?7 c# X' `0 W
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having: ^& H) i, E9 K$ m7 g$ ]
another IP rating, attention should be drawn to the fact that the resulting degree of protection
, Q: d9 n3 o( N' X/ O, Yof the combination plug/socket-outlet is the lower of the two. They shall be stated in the$ j+ w7 v3 c% j7 o# P) R' X% z
manufacturer's literature related to the socket-outlet. |
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