1. A connector, comprising:a housing having a mating end and a mounting end, the housing including at least one channel that extend through the housing from the mounting end to the mating end, each channel is defined by a top wall and a bottom wall and a pair of vertical walls connecting the top and bottom walk together, a wall is positioned in at least one channel between the vertical walls, the wall extending from the mounting end to the mating end, the wall having a first side and a second side, the wall having two projections provided on the first side and two projections positioned on the second side;
a first terminal having a flat contact mating end that is supported by the projection on the first side of the wall defining a first passage between the first side of the wall and one side of the first terminal and further definin an air space between one of the vertical walls and an opposite side of the first terminal; and
a second terminal having a flat contact mating end that is supported by the projections on a second side of the wall defining a second passage between the second side of the wall and one side of the second terminal and further defining an air space between one of the vertical walls and an opposite side of the second terminal.