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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。 K$ e& i' i' F0 ]$ p
! j! D1 `2 N/ }/ X9 u8 Marking9 g' w5 V3 W$ [, S' Z: j
8.1 Accessories shall be marked as follows:
* `8 r. B8 N9 \– rated current in amperes;
( x% Z) _* q9 \. |& }– rated voltage in volts;* T# q8 P- @0 C/ n! ?4 `
– symbol for nature of supply;! N; b3 L) b# L' {/ k: R) E- \
– manufacturer's or responsible vendor's name, trade mark or identification mark;
3 U8 a7 A* S- t– type reference which may be a catalogue number;3 {& E& r. m' @
– first characteristic numeral for the degree of protection against access to hazardous parts
8 E0 M# l' Y3 kand against harmful effects due to ingress of solid foreign objects, if declared to be higher: W" \# C' x3 k0 B( h3 n
than 2, in which case the second characteristic numeral shall also be marked;% g* J7 v3 f) r+ }& a6 o
– second characteristic numeral for the degree of protection against harmful effects due to
# Z* o8 }) N4 H% K& o( u& gingress of water, if declared to be higher than 0, in which case the first characteristic
& g3 F2 U* Y- \4 k' z5 S6 ~numeral shall also be marked.
: ?" n( r9 p: P8 r0 S% m: MIf the system allows plugs of a certain IP rating to be introduced into socket-outlets having( Q ]: Y& y. I2 D f! g
another IP rating, attention should be drawn to the fact that the resulting degree of protection
6 c% d/ b! r9 i; a! u7 hof the combination plug/socket-outlet is the lower of the two. They shall be stated in the
( I4 v* H+ p% [3 Wmanufacturer's literature related to the socket-outlet. |
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