National electrical code and blueprint reading
By: [by] Kennard C. Graham.
Contributors: Gebert, Kenneth L.
Edition: 4th ed. rev. by Kenneth L. Gebert.
Publisher: American Technical Society
Published: 1968
Place of publication: [Chicago]
Language: eng
Number of pages: 155
Subjects: Electric wiring -- Insurance requirements; Electric wiring -- Charts, diagrams, etc