Get FREE price quotes, proposals, or information on cable bus power distribution systems & cable tray cable support systems, ladder cable trays & fasteners, cable trays & other support systems, wire mesh cable trays, tray covers & wire management. Get FREE price quotes, proposals, or information on cable bus power distribution systems & cable tray cable support systems, ladder cable trays & fasteners, cable trays & other support systems, wire mesh cable trays, tray covers & wire management. CADDY® PYRAMID 50 from ERICO® is an ideal unit for support of pipe and equipment weighing up to 50 lb loads. The unit with user-friendly installation proves an ideal replacement for labor-intensive support processes like. Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction. Used for safely and securely mounting cable trays, our RTS Roof Cable Tray Supports (H-Stands) are available in a variety of configurations for numerous applications. They're also designed to maximize job-site efficiency.