Electric transformers, static converters (e.g. rectifiers) and inductors

850410 Discharge lamps or tubes; ballasts therefor 850421 Electrical transformers; liquid dielectric, having a power handling capacity not exceeding 650kVA 850422 Electrical transformers; liquid dielectric, having a power handling capacity exceeding 650kVA but not exceeding 10,000kVA 850423 Electrical transformers; liquid dielectric, having a power handling capacity exceeding 10,000kVA 850431 Electrical transformers; n.e.c. in item no. 8504.2, having a power handling capacity not exceeding 1kVA 850432 Transformers; n.e.c. in item no. 8504.2, having a power handling capacity exceeding 1kVA but not exceeding 16kVA 850433 Transformers; n.e.c. in item no. 8504.2, having a power handling capacity exceeding 16kVA but not exceeding 500kVA 850434 Transformers; n.e.c. in item no. 8504.2, having a power handling capacity exceeding 500kVA 850440 Electrical static converters 850450 Electrical inductors; n.e.c. in heading no. 8504 850490 Electrical transformers, static converters and inductors; parts thereof