欧标插头表面必须印接地极、中性接和带电极符号吗？
大家好！公司供给客户的欧标插头没有印接地极、中性接和带电极符号，原因是表面涉及欧盟多国认证标志印字省略导致，另外也了解很多其他厂家也存在没有印的。现在客户提出异议，请教高手指点：第一，根据VDE标准，是否必须在插头表面印接地极、中性接和带电极符号？
第二，若有必须印，或者可印可不印，有没有相关的标准描述支持，若有，请分享说明下。谢谢！
看看别家的做过认证的实物也可能求证。 插头插座 极性标记及接地符号 必须要的 无疑，必须要求。国内CCC例行检查就包含极性检查，这些必须有。 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。
8 Marking
8.1 Accessories shall be marked as follows:
– rated current in amperes;
– rated voltage in volts;
– symbol for nature of supply;
– manufacturer's or responsible vendor's name, trade mark or identification mark;
– type reference which may be a catalogue number;
– first characteristic numeral for the degree of protection against access to hazardous parts
and against harmful effects due to ingress of solid foreign objects, if declared to be higher
than 2, in which case the second characteristic numeral shall also be marked;
– second characteristic numeral for the degree of protection against harmful effects due to
ingress of water, if declared to be higher than 0, in which case the first characteristic
numeral shall also be marked.
If the system allows plugs of a certain IP rating to be introduced into socket-outlets having
another IP rating, attention should be drawn to the fact that the resulting degree of protection
of the combination plug/socket-outlet is the lower of the two. They shall be stated in the
manufacturer's literature related to the socket-outlet. suxuaner 发表于 2019-9-3 10:38
无疑，必须要求。国内CCC例行检查就包含极性检查，这些必须有。
CCC插头参考的标准是GB 2099.1-2008 家用和类似用途插头插座
此标准对插头的印字是有明确要求印中性极、接地极、带电极的符号，与欧标插头是不一样的。
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