DIFF Subgroup
H02G 3/22 Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles > Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
CPC:
Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles (installations of bus-bars H02G5/00; overhead installations H02G7/00; installations in or on the ground H02G9/00) > Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
No child classifications to compare. This is a leaf node in both IPC and CPC.