Cover image for Safety rules for the installation and maintenance of electric utilization equipment, comprising part 3 and the grounding rules of the 5th ed., National electrical safety code. <Supersedes H7> Issued January 23, 1940.
Title:
Safety rules for the installation and maintenance of electric utilization equipment, comprising part 3 and the grounding rules of the 5th ed., National electrical safety code. <Supersedes H7> Issued January 23, 1940.
Author:
United States. National Bureau of Standards.
Publication Information:
Washington : U.S. Govt. Print. Off., 1940.
Physical Description:
v, 80 pages ; 19 cm.
General Note:
At head of title: U.S. Department of Commerce. Harry L. Hopkins, Secretary. National Bureau of Standards. Lyman J. Briggs, Director.
Language:
English
Format :
Book