0000950134-04-007943 PRE 14A 1 20040720 20040520 ENCORE WIRE CORP /DE/ 0000850460 3350 752274963 DE 1231 PRE 14A 34 000-20278 04820807 1410 MILLWOOD RD P O BOX 1149 MCKINNEY TX 75069 2145629473 1410 MILLWOOD RD P O BOX 1149 MCKINNEY TX 75069 PRE 14A 1 d15648ppre14a.htm PRELIMINARY PROXY STATEMENT