This innovative threaded rod mounting system provides a quick and economical solution for installing cable tray systems supported by threaded rod. The system features a breakthrough “push-install” design and can be used on threaded rod with slightly damaged threads or minor burrs. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. For projects that are not 100 percent defined before design start, the cost of and time used in coping with continuous changes during the engineering and drafting design phases will be substantially less for cable tray wiring. The Cable Tray Institute is making available the current edition of this practical guide for the proper installation of aluminum or steel cable tray systems. These guidelines will be useful to engineers, contractors, and maintenance personnel. Our customers. Convenient collection of CADDY® fasteners helps simplify the installation of cable tray for a variety of cable support applications Utilizing innovative designs, CADDY fasteners are easy to install and contribute to low total installed costs Ideal for use in a wide variety of commercial and.