What is a cable tray/Ladder system?

Per the National Electrical Code, a cable tray system is “a unit or assembly of units or sections and associated fittings forming a rigid structural system used to securely fasten or support cables and raceways.”

What does this mean?

• Cable trays/Ladders support cable the way that roadway bridges support traffic.
• A bridge is a structure that provides safe passage for traffic across open spans.
• Cable tray/Ladder is the bridge that allows for safe transport of wires across open spans.
• Therefore, think of cable tray/Ladder as the structural component of a building’s electrical system.