UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):
March 21, 2005

ENCORE WIRE CORPORATION

(Exact name of Registrant as specified in its charter)

Delaware		0-20278		75-2274963
(State or other jurisdiction of incorporation or organization)		Commission File Number		(I.R.S. Employer Identification No.)

1410 Millwood Road McKinney, Texas		75069
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (972) 562-9473

(Former name, former address and former fiscal year, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below):

o  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 8—Other Events

Item 8.01. Other Events.

      On March 21, 2005, Encore Wire Corporation (“the Company”) issued a press release announcing that the Company plans to enter the MC cable market and plans to construct a new 150,000 square foot manufacturing plant at the McKinney facility to house production of the new product line. A copy of the Company’s press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Section 9—Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits.

(c)   Exhibits.

99.1 March 21, 2005 Press Release by Encore Wire Corporation announcing the construction of a new manufacturing plant in McKinney, Texas to house the production of MC cable.

SIGNATURE

      Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	ENCORE WIRE CORPORATION
Date: March 21, 2005	By:	/s/ FRANK J. BILBAN
		Frank J. Bilban, Vice President — Finance,
		Chief Financial Officer, Treasurer and Secretary

INDEX TO EXHIBITS

Item		Exhibit
99.1		March 21, 2005 Press Release by Encore Wire Corporation announcing the construction of a new manufacturing plant in McKinney, Texas to house the production of MC cable.