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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, l' ^. h1 I! Z9 R* z/ G9 j
- V( ? M2 r0 [9 ` 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
0 ]8 u3 c, N- }: l-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 (104 j c( ^7 n6 y% e) g: e y
feet). The length shall be measured between the attachment plug and (1) any point at which the cord exits5 a: C9 m/ S4 ^) Z. U- l$ v: y; @
the refrigerator cabinet or (2) the last strain relief, whichever is shorter.
6 P$ p8 Q5 ]6 ?- M& d5 G) n* e$ R+ h; g
+ k$ r6 D. ~/ n( Q+ g8 P空调 ，UL484，6 `6 Q' l, U+ T; S6 X
11.2.5 The length of a power supply cord shall be as follows:6 t0 ~) Q% K E5 F* s# }
Unit Rating Cord length7 Q, T9 {+ R9 q
Volts Amperes Minimum Feet (m) Maximum feet (m)
1 ^0 i& `$ b2 ~. s8 L0 – 125 7.5 or Less 6 (1.8) 10 (3)# [8 ]* V" X( u" F# I9 e
0 – 125 7.6 or More 4 (1.2) 10 (3)
& e x5 `- |/ E. Z+ ?. N126 – 250 All 4 (1.2) 6 (1.8)
}0 P- m' F" A) X& {) U. bThe 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！！！