Kit contains items needed for seismic bracing long cable tray runs. Why is seismic bracing important? International Building Code. Seismic cable restraints are engineered solutions that help stabilize critical building components during seismic events. We have decades of experience with real-world applications in severe seismic zones, supplying orld-class products and solutions. Our strong legacy includes OSHPD OPA and OPM approvals, Structural Engineer approvals, and compliance with Internation-al Building. (A) MAKES ANY WARRANTY OR REPRESENTATION WHATSOEVER, EXPRESS OR IMPLIED, (I) WITH RESPECT TO THE USE OF ANY INFORMATION, APPARATUS, METHOD, PROCESS, OR SIMILAR ITEM DISCLOSED IN THIS REPORT, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, OR (II) THAT SUCH USE DOES NOT INFRINGE ON. Seismic Bracing Systems Go to www. 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. However, one often overlooked aspect is the seismic resistance of cable trays. Earthquakes and seismic events can cause severe damage to electrical infrastructure, including cable trays, leading to outages and even safety hazards.