IEEE C2 Handbook: 2017 [paper]
IEEE C2 (NESC) Handbook, 2017 edition
The purpose of the NESC is the practical safeguarding of persons, and utility facilities during the installation, operation, and maintenance of electric supply and communication facilities, under specified conditions.
Covers basic provisions for safeguarding of persons from hazards arising from the installation, operation, or maintenance of (1) conductors and equipment in electric supply stations, and (2) overhead and underground electric supply and communication lines. It also includes work rules for the construction, maintenance, and operation of electric supply and communication lines and equipment.