变压器绝缘系统号是否需要印在变压器上
请问下变压器的绝缘系统号以及绝缘系统的UL Flie no是否一定要求印刷在变压器上，以前都产品时候都是要求印在上面，但是我发现现在公司的产品，都通过了UL的认证，但是报告里面变压器的照片上都是没有印绝缘系统号和UL Flie no，所以到底UL是否有要求绝缘系统号和 绝缘系统的Flie no必须印在变压器上，是否有相关的UL文件？
UL1446
MARKING
16 Details
16.1 An insulation system shall be legibly and permanently marked with the manufacturer’s name, trade
name, or trademark, and a distinctive catalog number or the equivalent.
Exception: The insulation system is not required to be marked when it is intended to be used in the
manufacturer’s end-use product, and when both the system and end-use product are available for
examination at the same time and place.
16.2 When a manufacturer produces or assembles an insulation system at more than one factory, each
finished system shall have a permanent, distinctive marking by which it shall be identified as the product
of a particular factory. 要印的！ 谢谢了！e.g AC-DC adapter就不需要因mark. 十三 发表于 2019-1-5 19:30
UL1446
MARKING
16 Details
那其实就是如果是制造商用在组装最终产品的，就可以不印，但是如果是直接作为一个产品出厂的，就必须要印，是这么理解的吧？
页:
[1]
