About NEIS

What are NEIS? National Electrical Installation Standards (NEIS) are the first quality and performance standards for electrical construction. They go beyond the minimum safety requirements of the National Electrical Code (NEC) to define what is meant by installing electrical products and systems in a “neat and workmanlike manner.”

How are NEIS Developed? NEIS are developed and published by the National Electrical Contractors Association (NECA), under consensus procedures accredited by the American National Standards Institute (ANSI). ANSI standards are generally regarded as being the “official” U.S. standards on a given subject. Many NEIS are also developed jointly with other expert groups. For more information see our Industry Partners.

Advantages of NEIS. Everything in NECA’s installation standards comply with the NEC. But because they are quality and performance standards, most NEIS also contain additional requirements that go beyond, and extend, basic NEC safety requirements. With NEIS, the electrical installation you design or install not only meets code – it meets the shared expectations of everyone involved: owner, specifying engineer, electrical contractor, and the authority having jurisdiction.