Most common is the Splice Kit and Double splice. These are 3 piece splices that utilize bolt and nut to securely attach and bond tray sections. The Double Splice cuts the required number of splice hardware down to a minimal number versus traditional splice kits, reducing labor and. association representing the major electrical equipment manufac-turers in the U. Our solutions and products are made in the USA and our service and. Hubbell Wiring Device-Kellems and Hubbell Premise Wiring are divisions of Hubbell Incorporated, a U. Hubbell's strength is demonstrated by a long-standing reputation for supplying reliable. Article Summary: A compliant cable tray installation requires a thorough understanding of NEC Article 392, proper structural support, and precise installation techniques. This guide covers the critical steps, from selecting the right electrical cable tray and performing accurate cable fill. 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 industrial applications. A properly designed and installed cable tray system will provide. This method statement describes a detailed procedure for properly installing cable trays and conduits for the Feeder System.