National electrical safety code handbook : a discussion of the national electrical safety code grounding rules, general rules, and parts 1, 2, 3, and 4 of the 3rd (1920) through 2007 editions of the National electrical safety code, American national standard C2 - Clapp, Allen L.; American National Standards Institute (New York : Standards Information Network, IEEE Press, 2006)
Keywords: Electrical engineering -- Safety measures -- Standards -- United States