These specialized cable trays are engineered to contain and manage electrical cables while integrating advanced mechanisms to detect and isolate leakage currents. The primary objective is to prevent electrical fires, equipment damage, and personal injury caused by insulation. The EZ Path® Cable Tray Retrofit Device provides a fast, code‑compliant way to restore firestopping performance in cable trays with up to 100% visual fill. They can act as a permanent or temporary routing solution for applications where cables need to be quickly adapted. Cables and utilities installed within. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. eferred to support and protect numerous small instrumentation and control cables. With our many years of experience, we are one of the leading manufacturers in this field. Establishing partnerships. This product will intumesce and lock tightly into place eliminating the prep work of cutting or leaving any messy debris. The resulting barrier retards the transmission of smoke, fire, and toxic gases from spreading between adjacent rooms and floors for the rated time period.