What must electrical equipment and wiring be installed in accordance with?

Electrical equipment and wiring must be installed in accordance with the National Electrical Code (NEC) and the manufacturer's instructions. The NEC provides comprehensive guidelines and standards for safe electrical installation practices, ensuring that systems are designed to minimize risks such as electrical shock, fire hazards, and equipment failure. Manufacturer's instructions are also critical as they provide specific requirements for the proper installation, operation, and maintenance of electrical products, reflecting the design and safety standards that the manufacturer has established.

This combination of adherence to the NEC and the manufacturer's guidelines ensures that the installation meets both national safety standards and the specific operational parameters intended by the equipment producer. Local building codes may also incorporate NEC standards but can have additional requirements based on regional conditions. While safety regulations are important, they are encompassed within the NEC and may not specifically address all aspects of wiring methods and materials. Thus, relying on both the NEC and manufacturers’ instructions is essential for compliance and safety in electrical installations.