<SEC-DOCUMENT>0001179110-17-009860.txt : 20170703
<SEC-HEADER>0001179110-17-009860.hdr.sgml : 20170703
<ACCEPTANCE-DATETIME>20170703091039
ACCESSION NUMBER:		0001179110-17-009860
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170701
FILED AS OF DATE:		20170703
DATE AS OF CHANGE:		20170703

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPX CORP
		CENTRAL INDEX KEY:			0000088205
		STANDARD INDUSTRIAL CLASSIFICATION:	METALWORKING MACHINERY & EQUIPMENT [3540]
		IRS NUMBER:				381016240
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		13320-A BALLANTYNE CORPORATE PLACE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277
		BUSINESS PHONE:		980-474-3700

	MAIL ADDRESS:	
		STREET 1:		13320-A BALLANTYNE CORPORATE PLACE
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEALED POWER CORP
		DATE OF NAME CHANGE:	19880515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Toth Robert B
		CENTRAL INDEX KEY:			0001392923

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06948
		FILM NUMBER:		17944260

	MAIL ADDRESS:	
		STREET 1:		C/O POLYPORE INTERNATIONAL, INC.
		STREET 2:		11430 N. COMMUNITY HOUSE ROAD, SUITE 350
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28277-1591
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 3 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-07-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000088205</issuerCik>
        <issuerName>SPX CORP</issuerName>
        <issuerTradingSymbol>SPXC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001392923</rptOwnerCik>
            <rptOwnerName>Toth Robert B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SPX CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>13320-A BALLANTYNE CORPORATE PLACE</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28277</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></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>Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>Stefanie Holland, Attorney In Fact for Robert B. Toth</signatureName>
        <signatureDate>2017-07-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24toth.txt
<TEXT>
LIMITED POWER OF ATTORNEY

The undersigned hereby appoints each of John Nurkin, Stefanie
Holland, Steve Ackermann, Grace Gastelum and Jerri Lynn Jackson,
signing singly, as attorney-in-fact to act for the undersigned
and in the name of the undersigned solely to do all or any of the
following:

1.    To execute and file with the Securities and Exchange
Commission all statements regarding the undersigned's beneficial
ownership of securities of SPX Corporation filed pursuant to
Section 16(a) of the Securities Exchange Act of 1934;

2.    To execute all necessary instruments to carry out and
perform any of the powers stated above, and to do any other acts
requisite to carrying out such powers.

None of John Nurkin, Stefanie Holland, Steve Ackermann, Grace
Gastelum and Jerri Lynn Jackson shall incur any liability to the
undersigned for acting or refraining from acting under this
power, except for such attorney's own willful misconduct or gross
negligence.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is SPX Corporation
assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

Any reproduced copy of this signed original shall be deemed to be
an original counterpart of this Power of Attorney.

This Power of Attorney is governed by Delaware law.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file statements
pursuant to Section 16(a) of the Securities Exchange Act of 1934
with respect to the undersigned's beneficial ownership of
securities of SPX Corporation, unless earlier revoked.  This
Power of Attorney shall terminate with respect to the attorney-
in-fact upon receipt by John Nurkin, Stefanie Holland, Steve
Ackermann, Grace Gastelum and Jerri Lynn Jackson, as the case may
be, from the undersigned of a written notice of revocation of
this Power of Attorney.  The undersigned shall have the right to
revoke this Power of Attorney at any time.

IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this

26th day of June, 2017.

By:  __/s/ Robert B. Toth_______
Name:  Robert B. Toth

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
