What type of inspections must be conducted on accessible junction boxes?

Accessible junction boxes must undergo maintenance and inspection as per NEC guidelines to ensure safety and compliance with the electrical code. The National Electrical Code emphasizes that all electrical equipment, including junction boxes, should be accessible for inspection, maintenance, and repair to prevent hazards such as electrical failures, overheating, or fire risks.

These inspections typically involve checking for proper connections, ensuring that the junction box is securely mounted, and confirming that it is free from moisture and debris, which could interfere with its function. Additionally, regular inspections help identify wear and tear or potential issues before they escalate into serious hazards.

Visual inspections alone are not sufficient, as they may not reveal underlying problems that could affect the performance and safety of the electrical system. Electrical load tests alone may not address other potential issues such as physical condition, accessibility, or code compliance. Therefore, the most comprehensive approach to ensuring the safe operation of junction boxes is adherence to the maintenance and inspection guidelines outlined in the NEC.