Switches having at least one liquid contact (solid contacts wetted or soaked with mercury H01H1/08)

Child Classifications

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• H01H 2029/008
• H01H 29/002
• H01H 29/004
• H01H 29/006
• H01H 29/02 Details
• H01H 29/16 operated by dipping soil contact into stationary contact liquid
• H01H 29/18 with level of surface of contact liquid displaced by non-electrical contact-making plunger
• H01H 29/20 operated by tilting contact-liquid container
• H01H 29/26 with level of surface of contact liquid displaced by centrifugal action
• H01H 29/28 with level of surface of contact liquid displaced by fluid pressure
• H01H 29/30 with level of surface of contact liquid displaced by expansion or evaporation thereof
• H01H 29/32 with contact made by a liquid jet, e.g. earthing switch with contact made by jet of water