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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 Z( X7 {& T( k/ n5 o1 D% F
& T' r" m F, F5 Z, t, b
8 Marking" @3 ~- |# a3 u5 e: k
8.1 Accessories shall be marked as follows:
, p9 y8 b; t; U, h2 a, `6 }! p: X* X– rated current in amperes;
4 b$ I8 I" D6 r! ^7 F– rated voltage in volts;1 t0 j( B' D7 g' p! _0 c
– symbol for nature of supply;
. B8 u5 ?! `4 C y– manufacturer's or responsible vendor's name, trade mark or identification mark;
2 l" }6 O- Q& N. P4 Q; G– type reference which may be a catalogue number;
! H3 t E! C9 C2 f0 e) [ w5 c– first characteristic numeral for the degree of protection against access to hazardous parts( x$ q, S8 ]* [0 r" a! M' D
and against harmful effects due to ingress of solid foreign objects, if declared to be higher+ T9 y9 H5 r& x E* u, K
than 2, in which case the second characteristic numeral shall also be marked;
& A) J3 {7 \& m– second characteristic numeral for the degree of protection against harmful effects due to
1 H2 @* f+ V$ s* K; lingress of water, if declared to be higher than 0, in which case the first characteristic
; k' P; I9 C+ w+ X9 z# Jnumeral shall also be marked.
( u0 H; U0 H# bIf the system allows plugs of a certain IP rating to be introduced into socket-outlets having+ [2 k1 X/ p" D7 _/ g& ]& e5 `* |
another IP rating, attention should be drawn to the fact that the resulting degree of protection
4 B; P- k$ J) B4 h$ O& Jof the combination plug/socket-outlet is the lower of the two. They shall be stated in the0 ~ u1 s' \" I- g9 r9 G6 {
manufacturer's literature related to the socket-outlet. |
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