变压器绝缘系统认证？

suqaxs

LED灯UL与ETL认证时要求提供变压器的绝缘系统认证，UL8750 里面也有提到但看的不是很明白，比如：UL认证变压器要注意思什么事项，要进行那些测试等等，好像有分五个等级CLASS A\B\E\F\只知道这个跟温度有关其它的就不懂了。那位朋友能详细的对变压器绝缘系统给予讲解一下，

q529891012

Insulation system must be combined with motor or transformer, and that's UL called OBJY2, and if you are the user of the insulation system, then you only need to focus that, the supplier of insulation system should be UL recognized when you apply for UL approval for your own products, such as LED, motor and tranformer products.
Generally, insulation system is composed of bobbin, magnet wire, insulating tape, insulating coating, and other critical components, as well, almost all those components in the insulation system, should be UL R/C, if UL is necessary for the insulation system itself. Remember, the insulation system can not be simply regarded as the combination of its all components, and it should be considered and evaluated combined with the final transformer, or motor...