An electrical connector includes a conductive casing 22 and a conductive terminal 24 within the casing. A first electrical assembly, such as a PCB 12, has an opening through which the casing passes, but is insulated from it. The inner terminal may pass through a second electrical assembly, such as a PCB 14. An insulating sleeve 34 may hold the inner terminal in place, and a plug 36 may hold the sleeve in place.
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