In this tutorial, I tackle a common issue faced in electrical projects: adjusting cable tray sizes in bulk. I will guide you through the process step-by-step. The bends, tees, crosses, risers and reducers of wire mesh cable tray can be easily and quickly made live at the project by using a bolt cutter. First, gather sturdy materials like metal or plastic, along with tools like a saw and drill. These guidelines will be useful to engineers, contractors, and maintenance personnel. We aim to ensure your project remains secure and does not breach the NEMA standards, causing it to suffer.