8504: Electric transformers,static converters and rectifier

850410: Ballasts for discharge lamps or tubes 850421: Liquid dielectric transformers < 650 KVA 850422: Liquid dielectric transformers 650-10,000KVA 850423: Liquid dielectric transformers > 10,000 KVA 850431: Transformers electric, power capacity < 1 KVA, nes 850432: Transformers electric, power capacity 1-16 KVA, nes 850433: Transformers electric, power capacity 16-500 KVA 850434: Transformers electric, power capacity > 500 KVA, nes 850440: Static converters, nes 850450: Inductors, electric 850490: Parts of electrical transformers and inductors 8504: Electric transformers,static converters and rectifier