How should boxes be installed in relation to structural members?

Boxes must be securely fastened to building structures to ensure safety and compliance with the National Electrical Code (NEC). Proper installation of electrical boxes is critical in maintaining the integrity of the electrical system and preventing hazards such as electrical shock or fire.

According to the NEC, all electrical boxes must be installed in a way that prevents them from moving or being dislodged by physical forces, such as pulling on wires or cables, or from everyday wear and tear. This security ensures that the connections inside the boxes remain intact and that no unexpected gaps or conditions arise that could lead to shorts or other electrical failures.

Furthermore, securely fastening boxes supports the overall system’s durability, ensuring that they remain in their intended position throughout the life of the building. This can include securing them to studs, joists, or other structural members as appropriate, in accordance with the relevant portions of the NEC that guide the installation practices for electrical equipment.