Safety rules for the installation and maintenance of electric utilization equipment
Subtitle: consisting of part 3 and the grounding rules of the fourth edition of the National electrical safety code.  March 12, 1926.
Series: Handbook series -- no. 7; NBS handbook -- no. 7.
Publisher: Govt. print. off.
Published: 1926
Place of publication: Washington
Language: eng
Number of pages: 71
Subjects: Electric engineering -- Safety measures.; Electric apparatus and appliances.
Notes: At head of title:  Department of commerce.  Bureau of standards.  George K. Burgess, director.