00283nam a2200109Ia 4500008004100000041000800041082001700049100003900066245004200105260001900147365000700166230303s9999 xx 000 0 und d aeng a621.3072 HAR aHARMAN (THOMAS) ALLEN (CHARLES E.) aGuide to the National Electrical Code b.PRENTICE HALL cRS