TY - BOOK AU - Stallcup, James G TI - Designing electrical systems , based on the 1990 national electrical code SN - 0-8269-1684-8 U1 - 621.31924 STA'D PY - 1989/// CY - USA PB - AMERICAN INSTITUTE KW - ELECTRIC WIRING ELECTRIC WIRING-ISURANCE REQUIREMENTS ER -