|
1 E3 n+ t4 U0 E/ w# T& W m. ~
8.6.9 * CLASS II ME EQUIPMENT
/ M, W+ G) d- n9 M* N0 U, eIf CLASS II ME EQUIPMENT with isolated internal screens is supplied with a POWER SUPPLY CORD/ g: V: [& ?, q& K% v' |
having three conductors, the third conductor (connected to the protective earth contact of the$ u: e/ l9 R6 L4 p* V
MAINS PLUG) shall be used only as the functional earth connection to a FUNCTIONAL EARTH
8 H: K' U6 i' y4 B5 f" KTERMINAL for these screens and shall be coloured green and yellow.
$ p0 w8 P% d* p/ g* H这怎么理解,有以下几点疑惑:5 ~. x4 X5 t7 C/ h
1,Class II 类结构产品的电源线可以是三芯的吗,也就是说电源插头可以3pin的吗?6 U" p, `3 V( ]% t% h
2,带有隔离的内部屏蔽的,第1点才适用,那么带有隔离的内部屏蔽是什么样子的?
* P3 F1 r% }7 }
* C, T; T& g5 ~' c8 Z+ Y0 F0 H; S |
|