<SEC-DOCUMENT>0000038725-19-000040.txt : 20190228
<SEC-HEADER>0000038725-19-000040.hdr.sgml : 20190228
<ACCEPTANCE-DATETIME>20190228091727
ACCESSION NUMBER:		0000038725-19-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190221
FILED AS OF DATE:		20190228
DATE AS OF CHANGE:		20190228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Aikman Steven William
		CENTRAL INDEX KEY:			0001492799

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-00362
		FILM NUMBER:		19640731

	MAIL ADDRESS:	
		STREET 1:		FRANKLIN ELECTRIC CO., INC.
		STREET 2:		9255 COVERDALE RD
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46809

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FRANKLIN ELECTRIC CO INC
		CENTRAL INDEX KEY:			0000038725
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTORS & GENERATORS [3621]
		IRS NUMBER:				350827455
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9255 COVERDALE ROAD
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46809
		BUSINESS PHONE:		2608242900

	MAIL ADDRESS:	
		STREET 1:		9255 COVERDALE ROAD
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46809
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155136343269687.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000038725</issuerCik>
        <issuerName>FRANKLIN ELECTRIC CO INC</issuerName>
        <issuerTradingSymbol>FELE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001492799</rptOwnerCik>
            <rptOwnerName>Aikman Steven William</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>FRANKLIN ELECTRIC CO., INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9255 COVERDALE ROAD</rptOwnerStreet2>
            <rptOwnerCity>FORT WAYNE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>46809</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Global Water Systems Engin</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1468</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16483</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>55.16</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-02-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6813</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>55.16</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6813.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6813</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock shares vest 3 years after the 2/21/2019 grant date.</footnote>
        <footnote id="F2">Includes 1,468 restricted stock units that vest 3 years after the 2/21/2019 grant date, 1,863 restricted stock units that vest 4 years after the 2/22/2018 grant date, 1,528 restricted stock units that vest 4 years after the 2/23/2017 grantdate, 2,146 restricted shares that vest 4 years after the 2/25/2016 grant date, 1,636 restricted shares that vest 4 years after the 2/26/2015 grant date, and 7,842 shares owned outright</footnote>
        <footnote id="F3">The options become exercisable in three equal installments of 1/3 each year, beginning on the first anniversary of 2/21/2019.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Steven W. Aikman</signatureName>
        <signatureDate>2019-02-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
