Mullin, Ray C. Electrical wiring commercial: based on the 2008 National electrical code/ Ray C. Mullin and Robert L. Smith. - 13th edition - Australia: Delmar Cengage Learning, c2008. - xv, 469 pages: illustrations; 28 cm. Includes appendix, glossary and index. ISBN: 9781418064044 Subjects--Topical Terms: Electric wiring, Interior Dewey Class. No.: DC 621.31924 / Ma1e