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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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 8HPVKIjAxAas7UewV6T7vw==

<SEC-DOCUMENT>0001179110-06-014973.txt : 20060711
<SEC-HEADER>0001179110-06-014973.hdr.sgml : 20060711
<ACCEPTANCE-DATETIME>20060711164523
ACCESSION NUMBER:		0001179110-06-014973
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060626
FILED AS OF DATE:		20060711
DATE AS OF CHANGE:		20060711

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CROSS DEWAIN K
		CENTRAL INDEX KEY:			0001213690

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10233
		FILM NUMBER:		06956531

	MAIL ADDRESS:	
		STREET 1:		10900 WILDHIRE BLVD
		STREET 2:		STE 850
		CITY:			LOS ANGLES
		STATE:			CA
		ZIP:			90024

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/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4/A -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-06-26</periodOfReport>

    <dateOfOriginalSubmission>2006-06-27</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000751085</issuerCik>
        <issuerName>MAGNETEK INC</issuerName>
        <issuerTradingSymbol>MAG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001213690</rptOwnerCik>
            <rptOwnerName>CROSS DEWAIN K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8966 MASON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHATSWORTH</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91311</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"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-06-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5506.6079</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5506.6079</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>52078.1538</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 shares of Magnetek, Inc. common stock upon the Reporting Persons termination of service as a director of Magnetek, Inc.</footnote>
        <footnote id="F3">220.2643 shares were omitted from the reporting person's Form 4 filed on 6/27/06.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Tina D. McKnight</signatureName>
        <signatureDate>2006-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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