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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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6 S0 \$ y/ T# l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) Q* h! N) u& |" ^9 @
-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
, {6 k3 ]$ y8 ` n7 V! tfeet). The length shall be measured between the attachment plug and (1) any point at which the cord exits" h* |; T3 Q9 b
the refrigerator cabinet or (2) the last strain relief, whichever is shorter.
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空调 ,UL484,
" u# o3 E: d2 q4 [; y: w. ~11.2.5 The length of a power supply cord shall be as follows:! O* `; M/ Q3 p2 h. i P+ K
Unit Rating Cord length
5 [5 W* H6 q0 fVolts Amperes Minimum Feet (m) Maximum feet (m)! R9 M$ c4 y- k0 w
0 – 125 7.5 or Less 6 (1.8) 10 (3)
; z; w) `9 i& R" |0 – 125 7.6 or More 4 (1.2) 10 (3)
, F. Q! v. Z7 q: @* L126 – 250 All 4 (1.2) 6 (1.8)
. V) E, E. ]' Z* D* ?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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