If additional fireproofing is required, apply intumescent coatings or fire barriers at designated sections. Document the installation as part of safety compliance records. Route Planning and Layout Principles Coordinate with Building Structure: Cable tray routing should align with architectural design, avoiding unnecessary. Scope: Firestopping for busway, cable trays, cables, and trunking passing through walls in enclosed electrical installations. Poorly fitted trays may serve as a fuse in case of a short or a top chimney in case of a fire. Cable trays, the conductors, and cables they contain, and the wiring methods used must be listed or labeled by a Nationally Recognized Testing Laboratory (NRTL) as. Understanding proper cable tray fire safety practices is essential for protecting buildings, equipment, and occupants.
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