Splice plates are the most widely used method for connecting cable tray sections in straight runs. Whether you're managing voice, data, or electrical cables, ensuring your trays are installed correctly is essential to keeping everything neat, secure, and functional. Several mounting. Establishing partnerships with cus-tomers is a top priority for OBO, and OBO staff are available to support customers in all aspects of their pro-jects, including products, installation and planning advice. This is because we not only supply our customers with products and solutions, which. Article Summary: A compliant cable tray installation requires a thorough understanding of NEC Article 392, proper structural support, and precise installation techniques.