Lenk, John D. Handbook of simplified commercial and industrial wiring design / [Book]. John D. Lenk, consulting technical writer. - Englewood Cliffs, N.J. : Prentice-Hall, 1984. - ix, 326 p. : ill. ; 24 cm. Includes index. ISBN: 0133816664 LCCN: 83023115 Subjects--Topical Terms: Electric wiring--Handbooks, manuals, etc.