DIFF Subgroup
H01F 29/02 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Variable transformers or inductances not covered by group > with tappings on coil or winding; with provision for rearrangement or interconnection of windings
CPC:
Variable transformers or inductances not covered by group H01F21/00 > with tappings on coil or winding; with provision for rearrangement or interconnection of windings
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- H01F 29/04 having provision for tap-changing without interrupting the load current IPC+CPC Available in IPC and CPC