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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。
: `9 S V% P6 K1 O. U2 o# H3 O2.个人觉得不需要吧(这个不确定)& c" D% b2 R5 q/ X- e% H
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)
. I- J* N' R; v6 o8 _2 r; @22.31 Neither clearances nor creepage distances over supplementary insulation and5 g4 C: z- Q1 | V# W1 ?5 ~
reinforced insulation shall be reduced below the values specified in Clause 29 as a result of' r+ M1 y9 u3 X
wear.
2 G N$ W/ v2 t8 e# SIf a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither6 f( u5 b3 F* S) n) H# }- X0 @3 m
clearances nor creepage distances between live parts and accessible parts shall be
6 h0 h" C: L3 l/ A# @ O" f6 ?reduced below the values specified for supplementary insulation. This requirement does not$ [: Z7 q( q; D+ Z, }# f% L+ c- [
apply if:
s1 V; ~, S x– wires connected to terminals have an additional fixing provided near the terminal, so that. G! `7 O/ r' W+ ?0 E- [
in the case of stranded conductors, the fixing clamps both the insulation and conductor.
1 Q/ D& E8 C$ M7 _With the appliance in its normal position of use, compliance is checked by inspection, by
5 M2 P' q* n h9 xmanual test and by measurement. |
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