TMI utilizes construction criteria to meet various domestic and international standards such as:
- U/L 506
- U/L 508
- U/L 544/60601
- U/L 1411
- U/L 1446
- U/L 1561
- U/L 1585
- EN 61588-1
- EN 60950
U/L Insulation Systems:
TMI utilizes recognized insulation systems for both layer wound transformers and bobbin wound transformers under U/L OBJY2 under E65600 for the following temperature classes:
- Class B (130 C)
- Class F (155 C)
- Class H (180 C)
- Class R (220 C)