<SEC-DOCUMENT>0001551182-17-000107.txt : 20170324
<SEC-HEADER>0001551182-17-000107.hdr.sgml : 20170324
<ACCEPTANCE-DATETIME>20170324141546
ACCESSION NUMBER:		0001551182-17-000107
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170315
FILED AS OF DATE:		20170324
DATE AS OF CHANGE:		20170324

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eaton Corp plc
		CENTRAL INDEX KEY:			0001551182
		STANDARD INDUSTRIAL CLASSIFICATION:	MISC INDUSTRIAL & COMMERCIAL MACHINERY & EQUIPMENT [3590]
		IRS NUMBER:				981059235
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 PEMBROKE ROAD
		STREET 2:		EATON HOUSE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			DUBLIN 4
		BUSINESS PHONE:		353 1637 2900

	MAIL ADDRESS:	
		STREET 1:		30 PEMBROKE ROAD
		STREET 2:		EATON HOUSE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			DUBLIN 4

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eaton Corp Ltd
		DATE OF NAME CHANGE:	20120530

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Eubanks Richard M.
		CENTRAL INDEX KEY:			0001510025

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-54863
		FILM NUMBER:		17712296

	MAIL ADDRESS:	
		STREET 1:		1121 HIGHWAY 74 SOUTH
		CITY:			PEACHTREE
		STATE:			GA
		ZIP:			30269
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_149037933165657.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-03-15</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001551182</issuerCik>
        <issuerName>Eaton Corp plc</issuerName>
        <issuerTradingSymbol>ETN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510025</rptOwnerCik>
            <rptOwnerName>Eubanks Richard M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 EATON BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CLEVELAND</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44122</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks below</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11721</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2976.143</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by trustee of ESP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2016-02-24</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>636.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2017-02-23</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3304.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2018-02-21</value>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4505.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2019-02-23</value>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6120.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>59.56</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2014-02-26</value>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-02-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>75.36</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2015-02-25</value>
                <footnoteId id="F9"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-02-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6250.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>71.72</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2016-02-24</value>
                <footnoteId id="F10"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-02-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8550.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>56.55</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2017-02-23</value>
                <footnoteId id="F11"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-02-23</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>26600.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>71.89</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2018-02-21</value>
                <footnoteId id="F12"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>22650.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These ordinary shares are held in the Eaton Savings Plan.</footnote>
        <footnote id="F2">These restricted stock units were granted on February 24, 2015 and vest as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date.</footnote>
        <footnote id="F3">This field is not applicable.</footnote>
        <footnote id="F4">Each restricted stock unit represents a contingent right to receive one common share of the issuer.</footnote>
        <footnote id="F5">These restricted stock units were granted on February 23, 2016 and vest as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date.</footnote>
        <footnote id="F6">These restricted stock units were granted on February 21, 2017 and vest as follows: 33% on the first and second anniversary of the grant date and the remaining 34% on the third anniversary of the grant date.</footnote>
        <footnote id="F7">These restricted stock units vest on the third anniversary of the grant date.</footnote>
        <footnote id="F8">These options were granted on February 26, 2013, and are fully vested and exercisable.</footnote>
        <footnote id="F9">These options were granted on February 25, 2014, and are fully vested and exercisable.</footnote>
        <footnote id="F10">These options were granted on February 24, 2015, and are exercisable as follows: 33% on the first and second anniversaries of the grant date and 34% on the third anniversary of the grant date.</footnote>
        <footnote id="F11">These options were granted on February 23, 2016, and are exercisable as follows: 33% on the first and second anniversaries of the grant date and 34% on the third anniversary of the grant date.</footnote>
        <footnote id="F12">These options were granted on February 21, 2017, and are exercisable as follows: 33% on the first and second anniversaries of the grant date and 34% on the third anniversary of the grant date.</footnote>
    </footnotes>

    <remarks>President, Electrical Products Group, of Eaton Corporation, a subsidiary of the Issuer.</remarks>

    <ownerSignature>
        <signatureName>/s/ Lizbeth L. Wright, as Attorney-in-Fact</signatureName>
        <signatureDate>2017-03-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
