To avoid cable damage, it's crucial to ensure proper cable management within the tray. This involves using the correct cable size, avoiding over-bending cables, and ensuring cables are fixed properly to avoid unnecessary movement. In addition, this document contains several references to provisions of the National Electric Code. us-trations without notice. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. Why Knowing Cable Tray Safety Hazards is essential? Cable trays, commonly used in electrical installations, help organize and protect wiring systems. However, these trays are not immune to safety hazards that could cause system failures, fires, or other catastrophic events. Power, low voltage control, data, or telecommunications wiring distribution systems can be used with cable trays. When used correctly, cable trays can make it easier to. Here are the five golden rules for a safe and compliant Cable Tray Installation. Compliance begins before the first bolt is tightened. The National Electrical Code (NEC), specifically Article 392, acts as the governing law for cable tray systems, dictating everything from permitted uses to wiring.