Specific measures include: strictly follow the specifications for the installation and layout of the distribution box; strengthen electrical connection and grounding inspections to ensure that the wiring is firm and the grounding is good; regularly clean and inspect the. Specific measures include: strictly follow the specifications for the installation and layout of the distribution box; strengthen electrical connection and grounding inspections to ensure that the wiring is firm and the grounding is good; regularly clean and inspect the. Open the distribution box and check for dust and debris accumulation. Inspect circuit breakers for proper operation. Ensure all connections are tight and secure. Look for any signs of burnt or damaged wiring. Testing Test the grounding system. Low-voltage intrusive switchboards regulate and distribute power in buildings and facilities. When overhauling the distribution box, the maintenance personnel should wear anti-static clothes and should not operate with empty hands or wet gloves. It covers clear access and housekeeping, panel integrity and corrosion, proper mounting and canopy protection, junction box condition, covered switches and displays, and.