Rosenberg, Paul. frey50 Electrical professional reference / - Pottstown, PA : Pal Publications, c2005. - Chapter numbered pages (1-12) ill., 15 cm. ISBN: 0975970925 Source: LCCN: 2003015070 Subjects--Topical Terms: Electric wiring--Handbooks, manuals, etc. LC Class. No.: KF224.L46 / K66 2004 Dewey Class. No.: 621.31924