<SEC-DOCUMENT>0000092103-17-000042.txt : 20171016
<SEC-HEADER>0000092103-17-000042.hdr.sgml : 20171016
<ACCEPTANCE-DATETIME>20171016195156
ACCESSION NUMBER:		0000092103-17-000042
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171013
FILED AS OF DATE:		20171016
DATE AS OF CHANGE:		20171016

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Moss Aaron D
		CENTRAL INDEX KEY:			0001532474

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02313
		FILM NUMBER:		171139678

	MAIL ADDRESS:	
		STREET 1:		3 MACARTHUR PLACE, SUITE 100
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92707

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN CALIFORNIA EDISON CO
		CENTRAL INDEX KEY:			0000092103
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				951240335
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2244 WALNUT GROVE AVE
		STREET 2:		P O BOX 800
		CITY:			ROSEMEAD
		STATE:			CA
		ZIP:			91770
		BUSINESS PHONE:		6263021212

	MAIL ADDRESS:	
		STREET 1:		2244 WALNUT GROVE AVE
		CITY:			ROSEMEAD
		STATE:			CA
		ZIP:			91770
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_150819790258664.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-10-13</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000092103</issuerCik>
        <issuerName>SOUTHERN CALIFORNIA EDISON CO</issuerName>
        <issuerTradingSymbol>SCE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001532474</rptOwnerCik>
            <rptOwnerName>Moss Aaron D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2244 WALNUT GROVE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROSEMEAD</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91770</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Acting Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>No securities are beneficially owned.</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Aaron D. Moss</signatureName>
        <signatureDate>2017-10-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
