H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R13/00 Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
H01R13/52 Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
H01R13/5202 Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings