Wedge type wire clip is made up of C type wedge shell and wedge block( as picture show). The size of groove between C type wedge shell and wedge block is directly related to the diameter of conducting wire to be installed. The size and shape of wedge is deci-ded by the designer and manufacturer. Thererfore in choosing wedge type wire clip, the user may only offer the type and cross slectional size of maine traverse and spur traverse.