Plural contact pin jack adapted to receive any of a plurality of different types of plugs

摘要

A pin jack fabricated of an insulating material defines therein an elongated hole for receiving a pin contact of a mating pin plug, the hole having a forward portion of a large inner diameter near the open end of the pin jack and a rear portion of the smaller inner diameter. First and second contacts are disposed in the large-diametered portion and a third contact is disposed in the smaller-diametered portion.