The Salisbury 100 Cal (CAT 4) Arc Flash Kit is an extreme arc flash PPE system designed to provide 100 cal/cm² ATPV protection for workers exposed to the highest levels of electrical arc flash hazards. It includes a heavy-duty arc-rated suit system, a high-protection arc flash hood with integrated face shield, a hard hat, safety glasses, and a storage bag for safe transport and organization. The kit is compliant with NFPA 70E and ASTM F1506 standards and is suitable for high-voltage electrical maintenance, utility transmission and distribution systems, and power generation facilities. It is engineered to deliver maximum full-body protection while maintaining durability for the most demanding industrial applications.