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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001179110-03-007264.txt : 20030911
<SEC-HEADER>0001179110-03-007264.hdr.sgml : 20030911
<ACCEPTANCE-DATETIME>20030911123554
ACCESSION NUMBER:		0001179110-03-007264
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030902
FILED AS OF DATE:		20030911

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOREN THOMAS G
		CENTRAL INDEX KEY:			0001188478

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10233
		FILM NUMBER:		03891460

	BUSINESS ADDRESS:	
		STREET 1:		7600 WISCONSIN AVENUE 2ND FL
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814-6161

	MAIL ADDRESS:	
		STREET 1:		7600 WISCONSIN AVENUE 2ND FL
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20814-6161

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAGNETEK INC
		CENTRAL INDEX KEY:			0000751085
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS, NEC [3679]
		IRS NUMBER:				953917584
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		10900 WILSHIRE BOULEVARD
		STREET 2:		SUITE 850
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
		BUSINESS PHONE:		310-689-1600

	MAIL ADDRESS:	
		STREET 1:		10900 WILSHIRE BOULEVARD
		STREET 2:		SUITE 850
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-09-02</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000751085</issuerCik>
        <issuerName>MAGNETEK INC</issuerName>
        <issuerTradingSymbol>MAG</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188478</rptOwnerCik>
            <rptOwnerName>BOREN THOMAS G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10900 WILSHIRE BLVD., SUITE 850</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable></nonDerivativeTable>
<derivativeTable><derivativeTransaction><securityTitle><value>Phantom Stock Units</value>
</securityTitle>
<conversionOrExercisePrice><value>0</value>
<footnoteId id="F1"></footnoteId>
</conversionOrExercisePrice>
<transactionDate><value>2003-09-02</value>
</transactionDate>
<transactionCoding><transactionFormType>4</transactionFormType>
<transactionCode>A</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionAmounts><transactionShares><value>496.0317</value>
</transactionShares>
<transactionPricePerShare><value>5.04</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode><value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<exerciseDate><value>1988-08-08</value>
<footnoteId id="F2"></footnoteId>
</exerciseDate>
<expirationDate><value>1988-08-08</value>
<footnoteId id="F2"></footnoteId>
</expirationDate>
<underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle>
<underlyingSecurityShares><value>496.0317</value>
</underlyingSecurityShares>
</underlyingSecurity>
<postTransactionAmounts><sharesOwnedFollowingTransaction><value>32026.4347</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature><directOrIndirectOwnership><value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</derivativeTransaction>
</derivativeTable>
<footnotes><footnote id="F1">1 for 1.</footnote>
<footnote id="F2">The Phantom Stock Units were accrued under the Magnetek, Inc. Amended and Restated Director Compensation and Deferral Investment Plan and will be settled in cash or shares of Magnetek, Inc. common stock upon the Reporting Persons termination of service as a director of Magnetek, Inc.</footnote>
</footnotes>
<ownerSignature><signatureName>Tina D. McKnight, Attorney In Fact</signatureName>
<signatureDate>2003-09-11</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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