Cable Tray Failures: Types, Causes, and Prevention
However, like any other infrastructure, cable trays are prone to failures that can result in serious safety hazards, financial losses, and downtime.
Read MoreMetal cable trays are electrified
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In the electrical wiring of buildings, a cable tray system is used to support insulated electrical cables used for power distribution, control, and communication. A solid-bottom tray provides the maximum protection to cables, but requires cutting the tray or using fittings to enter or exit cables. Common cable trays are made of galvanized, aluminum, or glass-fiber reinforced plastic. This is easily prevented through the use of fire-retardant cable jackets, or coatings applied to i.