Ensure proper alignment and clearance of bus bars, smooth module racking, proper limit switch contacts (test and service), and tightness of input and output power cables and internal wiring. Inspect all relays & remove any shipping blocks to ensure the armature moves freely. Here are some key aspects of quality assurance for energy storage high-voltage boxes: Initial Inspection Visual Inspection: Checking for physical damage, correct component placement, and wiring harness integrity. Material Verification: Ensuring that all materials used in the construction of the box meet the specified. Given the diverse applications of which standardization can be applied to, this paper will focus specifically on the standardization of commissioning tests for protection relays as well as the process and the impact of the implementation of standardization in this particular field. These systems require meticulous handling, rigorous safety protocols, and an in-depth understanding of the equipment involved.