(57) To reduce wear on the electrical contact-making surfaces of cooperating plug and
socket connector contacts (5, 3) the contact pressure is made as light as possible,
consistent with good electrical contact, and an extra member or finger (4) is provided
on each socket contact (1) which bears on an area of the respective plug contact (5)
not utilised for electrical connection with sufficient pressure to provide the required
mechanical resistance to separation of the plug and socket connectors (7, 6). Where
the plug contacts (5) are square-section pins the extra finger (4) of a socket contact
may bear on a face of the respective pin which is transverse to the faces normally
utilised for electrical connection.
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