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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 D; U! w6 I! i1 h( }% c! ]
* ]& W3 A8 \* `; S* _' B8 Marking. j( U0 T" T2 g$ d6 p" n3 y
8.1 Accessories shall be marked as follows:
( S/ R& O: d$ r- Z; _- B: _– rated current in amperes;
' z ?9 t, N( K, a, ~; v& Q" q– rated voltage in volts;* W8 o# ]/ j2 \9 L# l1 n
– symbol for nature of supply;
$ k$ Z( e+ J2 s5 k) F* y* n( ?– manufacturer's or responsible vendor's name, trade mark or identification mark;1 x5 x" @* k2 i1 R! Q. p
– type reference which may be a catalogue number;- t L. k/ ?! z3 R; s9 E
– first characteristic numeral for the degree of protection against access to hazardous parts
- @+ @/ d+ e* sand against harmful effects due to ingress of solid foreign objects, if declared to be higher
9 H) ~$ D, `& r+ ]( [$ Zthan 2, in which case the second characteristic numeral shall also be marked;6 h. ~4 E5 [# f$ F2 n
– second characteristic numeral for the degree of protection against harmful effects due to" ^% `3 {. {( K& ?: `7 d
ingress of water, if declared to be higher than 0, in which case the first characteristic7 v% V8 P9 H* u) t$ ~
numeral shall also be marked.' Q L1 G7 S/ d9 [& j6 I4 B
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having5 W% v- B4 h0 u
another IP rating, attention should be drawn to the fact that the resulting degree of protection
, O. _# a3 F. l0 Y) ]: {of the combination plug/socket-outlet is the lower of the two. They shall be stated in the! \) }4 \% W7 j# V& l, y/ s- W
manufacturer's literature related to the socket-outlet. |
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