IPC Subgroup
H01F 29/04 having provision for tap-changing without interrupting the load current
Introduced: September 1968
Last revised: January 2006
Full Title
Variable transformers or inductances not covered by group > with tappings on coil or winding; with provision for rearrangement or interconnection of windings > having provision for tap-changing without interrupting the load current
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES