Which is a key aspect of electrical system safety as stated in NFPA 54?

The key aspect of electrical system safety in accordance with NFPA 54 emphasizes compliance with certified wiring diagrams. These diagrams provide crucial guidance for the correct installation and maintenance of electrical systems, ensuring that they are completed according to established safety standards and regulations. By strictly adhering to these diagrams, technicians reduce the risk of electrical hazards such as short circuits, overloads, and potential fires, ultimately contributing to a safe and efficient electrical system.

The focus on certified wiring diagrams underscores the importance of following proven designs and layouts that have been tested for safety and reliability. This practice helps ensure that electrical installations are structured in a manner that minimizes risks while maximizing performance.