1. 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. See table 1 and table 2 for choic of wedge type wire clip. 2. Main Wire range: 185-240 sqmm 3. Branch wire range:35-240 sqmm