What type of codes must be followed during electrical installations and maintenance?

During electrical installations and maintenance, it is essential to follow local building codes and the National Electrical Code (NEC) because they are specifically designed to ensure safety and compliance with established standards. Local building codes are developed by municipalities and can vary based on regional needs and safety standards, while the NEC provides a comprehensive framework aimed at ensuring electrical safety across the United States.

Following these codes helps to minimize risks such as electrical fires, electrocution, and other safety hazards that may arise from improper installations and maintenance. This combination of local and national codes ensures that installations are not only safe but also compatible with local requirements, thus protecting both the installer and the occupants of the building.

Other options present limitations. Manufacturer guidelines, while important, are often specific to particular products and may not encompass broader safety considerations. Global safety regulations may not apply directly to local installations as they can be too broad or general. Local aesthetic codes focus on the visual appearance and do not address the critical aspects of electrical safety, making them insufficient as a sole guideline for electrical work. Hence, adherence to local building codes and the NEC is paramount for safe and compliant electrical installations.