Transformers; Distribution transformers; Electric transformers; Electrical transformers; Current transformers; Electric voltage transformers; Power transformers for amplification; Electrical relays and transformers; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current; Apparat...

Non-metal modular homes; Portable non-metal buildings; Prefabricated non-metal buildings; Transportable buildings, not of metal