Johnson, Robert C. 1916-1970. Electrical wiring, design and construction / Robert C. Johnson and Robert Cox. - Rev. ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1981. - 348 p. ; 24 cm. Includes index ISBN: 0132476509 Subjects--Topical Terms: Electric wiring, Interior.Electric wiring.Electric power systems.