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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: w. n1 f4 R' ^' U! W
-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
: x+ g5 g+ E, S3 o. ~) V, Ofeet). The length shall be measured between the attachment plug and (1) any point at which the cord exits# @# p9 q H `
the refrigerator cabinet or (2) the last strain relief, whichever is shorter.
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6 W$ X0 q; ^0 l/ \) b9 d1 g空调 ,UL484,) @: M0 Y* L' t% u5 w
11.2.5 The length of a power supply cord shall be as follows:7 K9 K v( L% G/ b8 |
Unit Rating Cord length f7 B& v# D- x ]% H0 g
Volts Amperes Minimum Feet (m) Maximum feet (m)
3 ^/ u! o) T0 g6 Y# L& ~9 F0 – 125 7.5 or Less 6 (1.8) 10 (3)" V9 [( [- o. f! a6 m
0 – 125 7.6 or More 4 (1.2) 10 (3)& i! u6 F# I/ |! j; D% J
126 – 250 All 4 (1.2) 6 (1.8)
- k0 g( {/ a* `& \9 g0 \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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