Published exclusively by ieee and updated every 5 years to keep the code up to date with changes in the industry and technology the national electrical safety code r nesc r sets the ground rules and guidelines for practical safeguarding of utility workers and the public during the installation operation and maintenance of electric supply communication lines and associated equipment. The national electrical safety code nesc or ansi standard c2 is a united states standard of the safe installation operation and maintenance of electric power and communication utility systems including power substations power and communication overhead lines and power and communication underground lines it is published by the institute of electrical and electronics engineers ieee. The national electrical safety code nesc or ansi standard c2 is a united states standard of the safe installation operation and maintenance of electric power and communication utility systems including power substations power and communication overhead lines and power and communication underground lines it is published by the institute of electrical and electronics engineers ieee. National electrical safety code r secretariat institute of electrical and electronics engineers inc approved 20 april 2006 institute of electrical and electronics engineers inc approved 16 june 2006 american national standards institute 2007 edition abstract this standard covers basic provisions for safeguarding of persons from hazards arising from the