Francis, Thomas George. Electrical Installation Work / T. G. Francis revised by R. J. Cooksley. - 6th ed. - Harlow, Longmans, c1988. - ix, 277 p. : illus. 22 cm. Includes index. ISBN: 0582097304 Subjects--Topical Terms: Electric wiring, Interior. Dewey Class. No.: 621.3 / FRA