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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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D1 A7 {" l n- Y5 ^" f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
3 r2 P) t; v, c! M, F-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. R( ]8 H- W5 e0 e
feet). The length shall be measured between the attachment plug and (1) any point at which the cord exits
) t/ k$ i; b S( Z* {2 Z3 D" f9 ethe refrigerator cabinet or (2) the last strain relief, whichever is shorter., {& R6 L0 X/ R1 C K4 }% D( l
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空调 ，UL484，" B0 F# b9 J5 H* w/ K0 A
11.2.5 The length of a power supply cord shall be as follows:& H7 G. q. V8 `; {0 \$ J. p& D
Unit Rating Cord length/ o# C8 b: |0 d* }
Volts Amperes Minimum Feet (m) Maximum feet (m)6 ]% P4 V5 Y. T1 I% ~3 q$ {1 @) ]5 X$ b
0 – 125 7.5 or Less 6 (1.8) 10 (3)
7 N: s) F' n2 X0 – 125 7.6 or More 4 (1.2) 10 (3)
6 X1 R" V( O& Y1 s' [126 – 250 All 4 (1.2) 6 (1.8)9 o' Q) m# O8 d: S4 r4 c
The 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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窥视卡
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！！！