Splice plates are the most widely used method for connecting cable tray sections in straight runs. We fix them with nuts and bolts through the holes in the plate and the tray sides. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. A cable tray joint plate might seem like a small component. In this guide, we will explore everything about joint plates. You will learn about. The screw-on cable tray systems fulfil the requirements of "IEC 61537:2006 – Cable management – Cable tray systems and cable ladder systems” for the low-voltage area. These plates are used in industries, commercial buildings, and large projects. A reliable manufacturer always focuses. In fact, the stainless steel (or rather the chrome) forms a thin, invisible layer of chromium oxide whenever it comes into contact with oxygen: the oxide film. If the oxide flm suffers damage, then the.