Richter, H. P. 1900-1978. Wiring simplified / H.P. Richter, W. Creighton Schwan. - 43rd ed. / as revised by Frederic P. Hartwell. - Minneapolis, Minn. : Park Pub., c2011. - xii, 243 p. : ill. ; 22 cm. "Based on the 2011 National Electrical Code." Includes index. ISBN: 9780971977976 Source: 1149412 QBI Subjects--Topical Terms: Electric wiring.Electric wiring, Interior. LC Class. No.: TK3271 / .R5 2011