<SUBMISSION>
<ACCESSION-NUMBER>0001209191-05-009149
<TYPE>4/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040802
<FILING-DATE>20050214
<DATE-OF-FILING-DATE-CHANGE>20050214
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ENCORE WIRE CORP /DE/
<CIK>0000850460
<ASSIGNED-SIC>3350
<IRS-NUMBER>752274963
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>1410 MILLWOOD RD
<STREET2>P O BOX 1149
<CITY>MCKINNEY
<STATE>TX
<ZIP>75069
<PHONE>2145629473
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1410 MILLWOOD RD
<STREET2>P O BOX 1149
<CITY>MCKINNEY
<STATE>TX
<ZIP>75069
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>REGO VINCENT A
<CIK>0000908631
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4/A
<ACT>34
<FILE-NUMBER>000-20278
<FILM-NUMBER>05607625
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>9725629473
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>P O BOX 1149
<STREET2>1410 MILLWOOD ROAD
<CITY>MCKINNEY
<STATE>TX
<ZIP>75069
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>bod22516_1var.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2004-08-02</periodOfReport>

    <dateOfOriginalSubmission>2004-08-04</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000850460</issuerCik>
        <issuerName>ENCORE WIRE CORP /DE/</issuerName>
        <issuerTradingSymbol>WIRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000908631</rptOwnerCik>
            <rptOwnerName>REGO VINCENT A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1410 MILLWOOD RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MCKINNEY</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.71</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Frank J. Bilban, by power of attorney</signatureName>
        <signatureDate>2005-02-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
