What baseline must all electrical installations comply with according to safety standards?

The baseline that all electrical installations must comply with according to safety standards is NEC standards. The National Electrical Code (NEC) establishes comprehensive guidelines and requirements for safe electrical installations to protect people and property. These standards cover various aspects, including wiring methods, equipment installations, and safety measures that must be implemented to minimize risks such as electrical shocks, fires, and equipment failures.

While local building regulations can enhance the safety measures, they often reference NEC standards as a foundational requirement. Likewise, manufacturer instructions and industry best practices are useful for specific applications but do not replace the overarching need for compliance with NEC standards in electrical installations. Adhering to the NEC ensures that electrical systems are consistent, reliable, and safe across multiple jurisdictions and applications.