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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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3 L: x9 j4 n! v4 ?6 b! X9 n( P6 ~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" J/ T( Y& P) N r E; t
-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# `! U3 v( u: M h9 T1 ^7 \
feet). The length shall be measured between the attachment plug and (1) any point at which the cord exits w- O3 k- S/ f w0 B
the refrigerator cabinet or (2) the last strain relief, whichever is shorter." }' d6 S* g3 F2 D
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11.2.5 The length of a power supply cord shall be as follows:9 R2 S: @( T1 ` e4 M+ @
Unit Rating Cord length
+ l' w1 B. R: D& g6 rVolts Amperes Minimum Feet (m) Maximum feet (m)5 d8 \9 I4 t6 K/ o! x' U
0 – 125 7.5 or Less 6 (1.8) 10 (3)- e2 D/ z) ]& L( P* W* G9 B
0 – 125 7.6 or More 4 (1.2) 10 (3)% p1 X8 G. g1 z0 i6 ~
126 – 250 All 4 (1.2) 6 (1.8): r; P* V4 w0 J7 }+ T
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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