A connector for enabling electrical communication with a plug, the connector including connector contacts effective to engage terminals of the plug and connector terminals, the connector further including a magnetic filter in communication with the contacts and terminals, characterized in that the magnetic filter includes an isolating magnetic device, the isolation magnetic device including a first core having a racetrack-shaped cross-section, the first core having a first longitudinally extending hole with a first longitudinal axis and a second longitudinally extending hole spaced from the first hole, the second hole having a second longitudinal axis parallel to the first longitudinal axis, the first and second holes (52, 54) each having opposed first and second ends (110, 112) opening onto respective first and second opposite sides (68, 70) of the first core; the isolating magnetic device further including first, second, third and fourth wire pairs (60, 62, 64, 66) inserted through the first hole of the first core, wrapped around a first portion of the first side of first core between the first ends of the first and second holes (52, 54), inserted through the second hole of the first core, wrapped around a second portion of the second side of the first core between the second ends of the first and second holes (52, 54), and then reinserted through the first hole, wrapped around the first portion of the first side of the first core, reinserted through the second hole and wrapped around the second portion of the second side of the first core a desired number of times, each wire pair (60, 62, 64, 66) having a first end (R-, G-, N, B) which is not inserted through the core holes (52, 54) and a second end (R, G, N, B) exiting from the second end of the second hole of the first core, and wherein the first end (R-) of the first wire pair is twisted together with the second end of the second wire pair, the first end (G-) of the second wire pair is twisted together with the second end of the first wire pair; and the first end (N-) of the third wire pair is twisted together with the first end (B-)of the fourth wire pair; and wherein the magnetic filter further including a common mode choke, the common mode choke including a second core shaped substantially cylindrically having a racetrack-shaped cross-section, the second core having a third longitudinally extending hole with a third longitudinal axis and a fourth longitudinally extending hole spaced from the third hole having a fourth longitudinal axis parallel to the third longitudinal axis, the third and fourth holes (78, 80) each having opposed first and second ends (114, 116) opening onto respective first and second opposite sides (82, 84) of the second core; the common mode choke further including the third and fourth wire pairs (64, 66), the second end of the third wire pair and the second end of the fourth wire pair extending from the isolating device in untwisted form being inserted through the third hole of the second core, wrapped around a first portion of the first side of the second core between the first ends of the third and fourth holes (78, 80), inserted through the fourth hole of the second core, wrapped around a second portion of the second side of the second core between the second ends of the third and fourth holes (78, 80), and then reinserted through the third hole, wrapped around the first portion of the first side of the second core, reinserted through the fourth hole of the second core and wrapped around the second portion of the second side of the second core a desired number of times.