A jumper (100,200,300) for an electrical switching apparatus (2,2'), said electrical switching apparatus (2,2') comprising a plurality of poles (6,8,10,12; 6',8',10',12'), each of said poles (6,8,10,12; 6',8',10',12') comprising a terminal (14,16; 14',16'), the terminal (14,14') of a first one of said poles (6,6') being proximate the terminal (16,16') of a second one of said poles (8,8'), said jumper (100,200,300) comprising: a jumper member (102,202,302) comprising an attachment portion (104,204,304), a heat sink portion (106,206,306), a first side (130,230,330), a second side (132,232,332) disposed opposite the first side, a first edge (138,238,338) extending from proximate the attachment portion, and a second edge (140,240,340) disposed opposite the first edge and extending from proximate the attachment portion, said attachment portion (104,204,304) being structured to electrically connect the terminal (14,14') of the first one of said poles (6,6') to the terminal of the second one of said poles (8,8'), said heat sink portion (106,206,306) comprising a plurality of spaced apart heat transfer members (108,208,308), wherein said plurality of spaced apart heat transfer members (108,208,308) are arranged in a plurality of rows (110,210,310) and a plurality of columns (120,220,320), wherein said plurality of rows (110,210,310) and said plurality of columns (120,220,320) extends outwardly from the first side (130,230,330) between the first edge (138,238,338) and the second edge (140,240,340), characterized in that each of said heat transfer members (108,208,308) has a width (150,250,350) and a height (152,252,352), wherein the width (150,250,350) is greater than the height (152,252,352), wherein said jumper member (102,202) further comprises a plurality of elongated fins (170,270) extending outwardly from the second side (132,232), and wherein each of said elongated fins (170,270) extends from the first edge (138,238) to the second edge (140,240). a jumper member (102,202,302) comprising an attachment portion (104,204,304), a heat sink portion (106,206,306), a first side (130,230,330), a second side (132,232,332) disposed opposite the first side, a first edge (138,238,338) extending from proximate the attachment portion, and a second edge (140,240,340) disposed opposite the first edge and extending from proximate the attachment portion, said attachment portion (104,204,304) being structured to electrically connect the terminal (14,14') of the first one of said poles (6,6') to the terminal of the second one of said poles (8,8'), said heat sink portion (106,206,306) comprising a plurality of spaced apart heat transfer members (108,208,308), wherein said plurality of spaced apart heat transfer members (108,208,308) are arranged in a plurality of rows (110,210,310) and a plurality of columns (120,220,320), wherein said plurality of rows (110,210,310) and said plurality of columns (120,220,320) extends outwardly from the first side (130,230,330) between the first edge (138,238,338) and the second edge (140,240,340), characterized in that each of said heat transfer members (108,208,308) has a width (150,250,350) and a height (152,252,352), wherein the width (150,250,350) is greater than the height (152,252,352), wherein said jumper member (102,202) further comprises a plurality of elongated fins (170,270) extending outwardly from the second side (132,232), and wherein each of said elongated fins (170,270) extends from the first edge (138,238) to the second edge (140,240).