The most critical step towards safety is to select proper material to be used in high-voltage systems. These large cables become hot and produce hidden magnets. maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. Selecting a cable tray for high voltage power cables is a critical engineering decision that directly impacts system safety, thermal performance, and long-term reliability. Unlike low-voltage installations, high-voltage cable tray systems must handle higher current loads, greater heat generation. Cable tray systems are engineered support structures designed to route, support, and protect insulated electrical cables used for power distribution, control, instrumentation, and communication. This makes your project last long.