标题: 关于加湿机UL998标准问题讨论 [打印本页] 作者: fangzi33 时间: 2012-1-17 10:26 标题: 关于加湿机UL998标准问题讨论 加湿机UL998标准中,42.11章与42.12章,
42.11 For an extra-low-voltage safety circuit, if operation of the product with a short circuit or grounded
circuit may result in unsafe operation of the controlled device, spacings shall be not less than as specified
in Table 13.
42.12 For extra-low-voltage nonsafety circuits, spacings are not specified.