|
1.常见的电水壶蒸汽开关都是全极断开的,要接L/N.如果你的电水壶设计特殊可以发电路图讨论。
9 T) C) g o+ E8 \" b" I! u2.个人觉得不需要吧(这个不确定)
0 M0 j O0 l4 K5 D2 y3.标准要求必须可靠固定(要求如下),一般接受焊接或端子有倒扣(印象里没有拉力要求)
) y. ~) a% z! ]3 {- b, `22.31 Neither clearances nor creepage distances over supplementary insulation and
t! N5 E% p3 E* J9 N: k- V d N* y" {6 treinforced insulation shall be reduced below the values specified in Clause 29 as a result of1 [9 W) B" L& |/ o& q. n
wear.7 z! ^4 J7 z+ I
If a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither; g; T* h* `, e, K
clearances nor creepage distances between live parts and accessible parts shall be
$ o2 J2 C% _- e- a+ g) }reduced below the values specified for supplementary insulation. This requirement does not
8 K5 m5 p, \) P& S* @apply if:) b- @6 I' f+ N! }" x f2 w
– wires connected to terminals have an additional fixing provided near the terminal, so that
/ [- N, `$ j* p3 Bin the case of stranded conductors, the fixing clamps both the insulation and conductor.( z1 [! O# V9 v6 ?
With the appliance in its normal position of use, compliance is checked by inspection, by
! g% }& p0 l" V2 nmanual test and by measurement. |
|