Cable trays in fire-fighting systems carry critical power and control circuits that must remain functional during a fire. Using fireproof or fire-resistant trays helps prevent the spread of flames, smoke, and toxic gases, and ensures that fire-fighting equipment continues to operate under emergency conditions . Standard trays without fire protection may fail quickly, allowing fire to propagate vertically or horizontally, especially in multi-story buildings .
The most effective fire-resistant trays are made of steel or aluminum with fireproof coatings. Coatings or fireproof tapes, such as FLAMMOTECT-A or DG-CR 0.7, can enhance flame resistance and maintain cable functionality during a fire . For installations passing through walls or floors, fire-rated penetration sealing materials are required to maintain compartmentalization and prevent fire spread .
For fire-fighting systems, fireproof cable trays are strongly recommended or required by safety standards. They help maintain the functional integrity of critical circuits, reduce fire spread, and comply with fire safety regulations. Using standard trays without fire resistance is not advisable in high-risk or emergency-critical applications. Proper material selection, fireproof coatings, and firestopping measures are key to ensuring safety and compliance .
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