Safe-Lec 2 Web Bracket - Pre-Drilled Holes. Zinc Plated, L-Shaped, Length = 15.75 inches (400 mm). For Mounting Conductors Horizontally to the Web of the I-Beam. Brackets are Affixed by Welding to the Beam. All Bars Will be Installed on only One Side of Beam Locate and secure support brackets at the recommended spacing (max of 59 inches apart. (Note: Locate support brackets at a spacing that is divisible into the conductor bar lengths - typical # per section = 3. This will always ensure that the joint positions do not interfere with the support brackets).