National electrical safety code.
Edition: 3d ed., October 31, 1920.
Series: Handbook series,; no. 3
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 366
Subjects: Electric engineering -- Safety measures; Accidents -- Prevention
Notes: At head of title:  Department of commerce.  Bureau of standards.  S. W. Stratton, director.