In this detailed guide, we'll explore the essential inspection methods for cable trays, focusing on maintaining their structural integrity, load-bearing capacity, fire resistance, and more. Ensure safe and compliant installation. Inspection of Cable Tray Support Structures and Fixings: Ensuring Electrical Safety and Compliance Cable tray support structures and fixings are a critical component of electrical systems and installations, playing a vital role in maintaining the integrity and safety of these systems. These templates contain editable MS Word &. This article is about ITP (Inspection Test Plan) Plan for Cable Tray and Accessories Installation. – Vendors supply the required QA/QC documents, tests and certs.