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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。( ` [' h4 J4 q* n- [
2.个人觉得不需要吧(这个不确定)% w( w1 P1 U, j8 s8 V: `! ~& Y* s
3.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)
( @! {4 s3 b7 u2 n3 X22.31 Neither clearances nor creepage distances over supplementary insulation and
- @% U! r2 M3 i4 ~! greinforced insulation shall be reduced below the values specified in Clause 29 as a result of+ e/ A; H$ @* m: f; J
wear." X! c) E* q% J( I% x7 f, g
If a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither$ D, J$ M n/ x/ @
clearances nor creepage distances between live parts and accessible parts shall be/ `! g6 W. c. i
reduced below the values specified for supplementary insulation. This requirement does not3 L7 H4 [+ O* S: _- Q+ `
apply if:
7 J. o8 t5 J, p5 t4 C& }– wires connected to terminals have an additional fixing provided near the terminal, so that% @# Y5 c; M( I3 T- Z* G" l) @
in the case of stranded conductors, the fixing clamps both the insulation and conductor.
0 d0 \' \+ y: e4 HWith the appliance in its normal position of use, compliance is checked by inspection, by
0 M) |& T9 V) X* W7 H1 E2 D2 A9 ^manual test and by measurement. |
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