Cable trays are connected in a straight or angled direction using various connectors. Straight connectors connect cable trays lengthwise. Adjustable connectors. Is your cable tray system optimized for safety, dependability, space and cost savings? Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and. oad-bearing capacity. Load tests show that QuikLok is absolutely equal to systems with tradit onal bolted hardware. To install, center the splice bar over the tray. CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. The use of personal protective equipment (PPE) such as safety glasses, and cut-proof gloves are recommended during the unpacking and when using power tools to install the products. Familiarize. Hubbell Wiring Device-Kellems and Hubbell Premise Wiring are divisions of Hubbell Incorporated, a U. headquartered manufacturer with over 130 years of supplying solutions for the electrical and data markets. Hubbell's strength is demonstrated by a long-standing reputation for supplying reliable. The EzyTray Cable Tray system is offered with a full range of accessories to allow you to assemble and work with it onsite. The ET 'EzyTray', ET3 and ET5 are designed to work how you want to work around your project. Unlike the CT range of. The screw-on cable trays are available in perforated (MKS, SKS, DKS, EKS, IKS) and unperforated (MKSU, SKSU, EKSU) versions.