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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。4 ]$ y6 o! O0 }$ y, J L# T+ g6 C
+ T6 W7 M" a$ o3 k$ }7 b8 Marking9 u/ z) }. W+ E! C$ k
8.1 Accessories shall be marked as follows:* \! G% g% V' x8 ]1 Q5 O
– rated current in amperes;
8 l g: y! W- w( y, x, P* n" }– rated voltage in volts;
; x- W' g5 u+ Y$ D9 A! {8 U– symbol for nature of supply;- \3 P" a- }" {9 s6 Y7 {6 c, o0 [8 [! O
– manufacturer's or responsible vendor's name, trade mark or identification mark;- H! J1 E# C9 ~2 U B2 V
– type reference which may be a catalogue number;
, ^, r9 b, y7 P+ R# x4 S1 {$ R4 k– first characteristic numeral for the degree of protection against access to hazardous parts
1 k- B" d8 b' w# Xand against harmful effects due to ingress of solid foreign objects, if declared to be higher
* V2 u A; ?$ I% \0 [9 zthan 2, in which case the second characteristic numeral shall also be marked;
, r- N3 }4 j* c$ S5 v' o6 Z– second characteristic numeral for the degree of protection against harmful effects due to
% [" U: g! W# ?" G) O( ringress of water, if declared to be higher than 0, in which case the first characteristic
2 }3 P) S/ p5 f; c' Fnumeral shall also be marked.+ R4 Y+ j7 y9 v& s- C
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having) w6 p. A J$ A. F: _5 K
another IP rating, attention should be drawn to the fact that the resulting degree of protection
9 h1 k/ E% N0 D1 c2 n. rof the combination plug/socket-outlet is the lower of the two. They shall be stated in the
+ K' y" N7 i; d0 j, R( X. t% jmanufacturer's literature related to the socket-outlet. |
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