Cable tray seismic bracing is a support device that limits the displacement of electromechanical pipelines (such as water pipes, cable trays, and air ducts) and controls vibration during an earthquake, preventing pipelines from falling or being damaged. Kit contains items needed for seismic bracing long cable tray runs. Predrilled tabs allow attachment directly to concrete deck. Spacing must be. Here, I'll explain how I make sure cable trays stand strong in areas that get hit by earthquakes. I'll share what I've learned about the design principles, methods, and how I put them into practice. When an earthquake happens, the ground really shakes. In the realm of electrical installations, ensuring the safety and integrity of systems during. To provide a cable tray hanger device for earthquake resistance in which breakage and deformation of an electric supply cable installed in a tray are prevented by absorbing vibration in the top and bottom and left and right directions. us/cablofil for complete seismic catalog Earthquake Sway Brace Systems for Cable Trays Legrand/Cablofil has joined with Loos and Company, the industry's top manufacturer of Seismic Wire Rope/Cable™ Bracing, to provide a comprehensive and unique line of.