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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。/ {2 W( ]6 m3 i* n( j/ o
2.个人觉得不需要吧（这个不确定）7 j$ v8 X2 P) A# \
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） _7 o7 u. n( w
22.31 Neither clearances nor creepage distances over supplementary insulation and
* @. T5 F: X: X) w" P" E1 |* R2 Zreinforced insulation shall be reduced below the values specified in Clause 29 as a result of. v* r5 E" l/ ~2 N' C5 m5 i
wear.2 n5 w1 n( {: S7 f+ c8 x
If a part, such as a wire, screw, nut or spring, becomes loose or falls out of position, neither" B$ x' O0 g' w$ c8 ?
clearances nor creepage distances between live parts and accessible parts shall be1 P: E9 O, E2 X+ v4 u$ l6 g6 ?
reduced below the values specified for supplementary insulation. This requirement does not' r: I) A0 _1 B$ J6 _! }& q$ o
apply if:
$ p7 j2 C* L+ y3 N: a) _– wires connected to terminals have an additional fixing provided near the terminal, so that1 o* |" g# H" Y( [
in the case of stranded conductors, the fixing clamps both the insulation and conductor.4 w& f. m3 ]) t- w
With the appliance in its normal position of use, compliance is checked by inspection, by
; @! W9 l$ n! c$ M) i& E1 nmanual test and by measurement. |
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发表于 2010-10-16 22:34
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