Certificates ISO (Chinese Version) CE (EN61558-2-4 for Power Transformers) ISO (English Version) ETL (UL1838 & CSA22.2#250.7 for Landscape Transformers) ETL (UL8750 & CSA22.2#250.13 for Magnetic LED Drivers) ETL (UL5085-1 & CSA C22.2#66.1 for Power Transformers