DIFF Main Group
H01H 29/00 Switches having at least one liquid contact (solid contacts wetted or soaked with mercury H01H1/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Switches having at least one liquid contact
CPC: Switches having at least one liquid contact (solid contacts wetted or soaked with mercury H01H1/08)
Full Title
Full titles differ between systems:
IPC:
Switches having at least one liquid contact
CPC:
Switches having at least one liquid contact (solid contacts wetted or soaked with mercury H01H1/08)
Of 12 combined children, 8 exist in both systems.
4 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H01H 29/16 operated by dipping soil contact into stationary contact liquid IPC+CPC Available in IPC and CPC
- H01H 29/18 with level of surface of contact liquid displaced by non-electrical contact-making plunger IPC+CPC Available in IPC and CPC
- H01H 29/26 with level of surface of contact liquid displaced by centrifugal action IPC+CPC Available in IPC and CPC
- H01H 29/28 with level of surface of contact liquid displaced by fluid pressure IPC+CPC Available in IPC and CPC
- H01H 29/30 with level of surface of contact liquid displaced by expansion or evaporation thereof IPC+CPC Available in IPC and CPC
- H01H 29/32 with contact made by a liquid jet, e.g. earthing switch with contact made by jet of water IPC+CPC Available in IPC and CPC