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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( H J* C, J2 D. w* I9 S
& U0 d8 |0 d: K4 i' e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" L/ f( L0 W; r& R
-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" d0 K+ ]$ _1 k
feet). The length shall be measured between the attachment plug and (1) any point at which the cord exits
6 ]( \/ B2 N4 R1 Wthe refrigerator cabinet or (2) the last strain relief, whichever is shorter.
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空调 ，UL484，
' |! o! M- d8 S2 d& G11.2.5 The length of a power supply cord shall be as follows:
* B5 C3 J: t5 X( L9 ~Unit Rating Cord length) R2 z7 L9 X3 `& f, S9 Z2 r
Volts Amperes Minimum Feet (m) Maximum feet (m)
7 X+ m+ p) k% {4 W* Z9 S0 – 125 7.5 or Less 6 (1.8) 10 (3)
( @, F; e1 `. R" e/ J1 i1 `0 – 125 7.6 or More 4 (1.2) 10 (3)% }# q& x6 A1 u+ b ~" D* f
126 – 250 All 4 (1.2) 6 (1.8)8 N x! v2 `6 i
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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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！！！