标题: 请教UL2089对输出线材的限制要求 [打印本页] 作者: yin168 时间: 2011-12-24 22:02 标题: 请教UL2089对输出线材的限制要求 关於车载充电器UL2089,阅读在条文中有提到对线材的规定:
1. 只查到Clause 12 Flexible Cords有一些对线材的明确要求,规定了线材型号/长度和AWG Size Table 12.1;
另外在Clause 12.1下的两项Exception No.1 and No. 2;
12.1 A unit shall be provided with a flexible cord and shall be type SP-2, SPE-2, SPT-2, SV, SVE, SVT, S, SE, SO, SP-3, SPT-3, ST, STO, SJ, SJE, SJO, SJT, or SJTO. The length of cord external to the unit and including the cigarette lighter connector shall not be less than 3 ft (0.9 m) as measured from the end of the cigarette lighter connector to the point of attachment or entry. Cord AWG size shall be in accordance with Table 12.1.
Exception No. 1: Output wiring for Class 2 or Low Voltage Limited Energy circuits may be parallel cord insulated with rubber, neoprene, or thermoplastic having a wall thickness of not less than 0.013 in (0.33 mm).
Exception No. 2: For units rated 10 A or less, an equivalent style appliance wiring material (AWM) may be employed.
Table 12.1 Cord sizes
Adapter input fuse rating, Amps Minimum cord conductor size, AWG
10 A and less 18a
12 17
13 16
18 14
20 12
Remark a: Size not specified for conductors in Class 2 or Low Voltage Limited Energy Circuits.