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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。3 c( C0 k6 l8 M/ B1 y3 ~
2.个人觉得不需要吧(这个不确定)
8 [6 b9 g9 T- Q8 T i* z3.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)& T: t( [. R" N+ Z& m* y2 C, N; Y* \
22.31 Neither clearances nor creepage distances over supplementary insulation and v: ]. B5 b: g
reinforced insulation shall be reduced below the values specified in Clause 29 as a result of
$ B. J4 O2 l# V9 m# dwear.8 h1 Z" ` p1 B N. G& E
If a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither
3 p! {/ L! o) e& D6 gclearances nor creepage distances between live parts and accessible parts shall be
; T& _9 `5 @+ |2 Y, creduced below the values specified for supplementary insulation. This requirement does not# c- G: N: v. t0 s8 t1 O* V- R5 g
apply if:
& }. E' j( \% d/ `. a– wires connected to terminals have an additional fixing provided near the terminal, so that
% \$ v+ ~) w T8 z. Q1 a9 Sin the case of stranded conductors, the fixing clamps both the insulation and conductor.+ [! I5 }! X; F0 Z
With the appliance in its normal position of use, compliance is checked by inspection, by
# I: v- A( g0 W8 e: r# _manual test and by measurement. |
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