Abstract: In one aspect, an arc fault relief panel is provided for mounting to a cabinet for enclosing medium- or high-voltage electrical equipment. The panel includes bend relief cuts or slots to allow the panel to fail in a predictable manner during an explosive arc fault. That is, the cuts or slots provide weakened locations or segments along the panel that permit a main portion of the panel to bend outwardly during an explosive arc fault. The main portion of the panel may be secured to other components of the cabinet with tear-away fasteners. During an explosive arc fault, the panel tears away from the fasteners, allowing the panel to bend outwardly along its weakened segments to provide an opening for venting pressurized air. A lanyard cable may be used to restrict outward movement of the main portion of the panel to help protect adjacent equipment or nearby personnel.

Abstract: A structural bracket, for use with flat pack frames, formed from a single flat sheet of metal that is constructed without the use of welding points so as to simplify the manufacturing process is provided. The flat sheet of metal may have a generally triangular configuration that includes notches at strategic locations in the sheet of metal to create flaps that may be folded over to form the sidewalls of the brackets. The sidewalls of the brackets may be used to secure vertical and/or horizontal rails together when assembling a flat pack equipment rack. Additionally, a pair of structural brackets may be secured together by fasteners forming a single bisected structural bracket. The utilization two separate brackets to form a single bisected structural bracket provides for a flat pack solution for equipment racks while being as structurally strong as a traditional, fully welded frame.