<SEC-DOCUMENT>0000895728-18-000126.txt : 20181221
<SEC-HEADER>0000895728-18-000126.hdr.sgml : 20181221
<ACCEPTANCE-DATETIME>20181221172525
ACCESSION NUMBER:		0000895728-18-000126
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181220
FILED AS OF DATE:		20181221
DATE AS OF CHANGE:		20181221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Yu Vernon D
		CENTRAL INDEX KEY:			0001335385

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15254
		FILM NUMBER:		181250567

	MAIL ADDRESS:	
		STREET 1:		425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENBRIDGE INC
		CENTRAL INDEX KEY:			0000895728
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8
		BUSINESS PHONE:		403-231-3900

	MAIL ADDRESS:	
		STREET 1:		200 425 - 1ST STREET SW
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2P 3L8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IPL ENERGY INC
		DATE OF NAME CHANGE:	19940616

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERPROVINCIAL PIPE LINE SYSTEM INC
		DATE OF NAME CHANGE:	19930108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_154543110307583.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-12-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000895728</issuerCik>
        <issuerName>ENBRIDGE INC</issuerName>
        <issuerTradingSymbol>ENB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001335385</rptOwnerCik>
            <rptOwnerName>Yu Vernon D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ENBRIDGE INC.</rptOwnerStreet1>
            <rptOwnerStreet2>200, 425 1ST STREET SW</rptOwnerStreet2>
            <rptOwnerCity>CALGARY</rptOwnerCity>
            <rptOwnerState>A0</rptOwnerState>
            <rptOwnerZipCode>T2P 3L8</rptOwnerZipCode>
            <rptOwnerStateDescription>ALBERTA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2018-12-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4620</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60026</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6284</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held through Enbridge Employee Savings Plan Registered Retirement Savings Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Pursuant to the Agreement and Plan of Merger, dated September 17, 2018, among Enbridge Energy Management, L.L.C. (&quot;EEM&quot;), Enbridge Inc. (&quot;Enbridge&quot;), Winter Acquisition Sub I, Inc. and the other parties thereto, at the closing of the merger on December 20, 2018, each listed share of EEM (other than those held by Enbridge or its subsidiaries) was exchanged for 0.335 of an Enbridge Common Share and cash in lieu of any fractional shares. The market value of Enbridge Common Shares at the effective time of the merger was $10.51.</footnote>
        <footnote id="F2">Includes 40 Enbridge Common Shares acquired by the Reporting Person between November 9, 2018 and December 20, 2018 under the Enbridge Employee Savings Plan in transactions that were exempt under Rule 16b-3(c), and 235 Enbridge Common Shares acquired by the Reporting Person between November 9, 2018 and December 20, 2018 pursuant to a dividend reinvestment feature under the Enbridge Employee Savings Plan.</footnote>
        <footnote id="F3">Includes 290 Enbridge Common Shares acquired by the Reporting Person between February 3, 2018 and November 30, 2018 under the Enbridge Dividend Reinvestment and Share Purchase Plan in transactions that were exempt under Rule 16a-11, and 94 Enbridge Common Shares acquired by the Reporting Person between December 1, 2018 and December 20, 2018 pursuant to a dividend reinvestment feature under the Enbridge Employee Savings Plan.</footnote>
    </footnotes>

    <remarks>Executive Vice President &amp; Chief Development Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Michelle Lowther, attorney-in-fact</signatureName>
        <signatureDate>2018-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
