Mercer, Bob. , Industrial control wiring guide / Bob Mercer. - 2nd ed. - vii, 127 pages : illustrations ; 21 cm. ISBN: 0750631406 Subjects--Topical Terms: Electric wiring --Handbooks, Manuals, etc.Factories --Electric equipment --Handbooks, Manuals, etc. LC Class. No.: TK3271 / .M47 2001