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这要看你的产品分类，不同的产品要求不一样，查UL标准
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如冰箱，按照UL250,1.5m 到3m,注意如何测量，是从电源线露出机器处到插头之间的距离，不含插头，实际生产一般在1.8m左右，长了浪费成本
5 q, p; t7 `/ k8 \/ X-According to UL250,the length of a power supply cord shall be not less than 1.5 m (5 feet) nor more than 3.0 m (10! b$ f+ W' A, y
feet). The length shall be measured between the attachment plug and (1) any point at which the cord exits% |5 C5 U8 T% D/ r( L# v8 Y
the refrigerator cabinet or (2) the last strain relief, whichever is shorter.4 B. X: r. Q9 Q! S7 I
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2 l* Q9 }' v: O' R. D! {( K W/ G空调 ，UL484，
- Q9 [/ ]) B5 f" t11.2.5 The length of a power supply cord shall be as follows:
: b; W! u7 _: g1 `Unit Rating Cord length
0 H7 c, E9 a% O; I" a LVolts Amperes Minimum Feet (m) Maximum feet (m)2 S) f: V; `/ D7 `0 ^
0 – 125 7.5 or Less 6 (1.8) 10 (3)
1 P0 o: t% f- J- H2 a) L0 – 125 7.6 or More 4 (1.2) 10 (3)/ r. x% I) Y6 P: d1 @: y
126 – 250 All 4 (1.2) 6 (1.8)
: ^* L2 E& R3 y- K0 o8 UThe length is to be measured between any point at which the cord exits the room air conditioner cabinet and the attachment plug. |
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雷达卡
发表于 2007-10-12 17:32
显身卡
也有的是客户规定长度的！！！