Derenzo, Stephen E. National Electrical Code blueprint reading : based on the 1990 National Electrical Code. - 11th ed - Homewood, Ill Amistad 1989 - 192 p. 28 cm. 002031 U 001 ISBN: 082691554X Subjects--Topical Terms: Electric wiring--Charts--diagrams, etc. Dewey Class. No.: 621.319240218 / N277