H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
H01R4/28—Clamped connections, spring connections
H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
H01R4/4863—Coil spring
H01R4/4872—Coil spring axially compressed to retain wire end