It guides users to verify breaker labeling, assess wire and cable condition, check for signs of overheating, confirm that connections are secure, log inspection frequency, record the date of the last service, and attach photos of the DB interior. Check for signs of corrosion or rust. Ensure that all labels and warning signs are legible. LV Intrusive Switchboard Low-voltage intrusive switchboards regulate and distribute power in buildings and facilities. Power distribution & circuit protection depend on it. LV intrusive switchboards accept power from the utility & generator & distribute it to. A structured electrical panel and power distribution maintenance program is the most direct way to prevent that outcome: the 2023 NFPA 70B standard has now made annual infrared thermography inspections of all electrical equipment mandatory, shifting electrical maintenance from a recommended. This checklist helps teams perform preventive maintenance on electrical distribution boards. Download it and proactively manage your. In this inspection article, we will learn about inspecting the main electrical panelboard, from the utility service to the breakers, including common components of the panelboard, and an inspection checklist.