Installation and maintenance of electric supply and communication lines
Subtitle: safety rules and discussion comprising part 2, the discussion of part 2, the definitions and grounding rules of the fifth edition of the National electrical safety code.
Series: National Bureau of Standards handbook -- 43.
Publisher: U.S. Govt. Print. Off.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 386
Subjects: Electric lines.