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EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

        We consent to the incorporation by reference in the following Registration Statements of SPX Corporation of our reports dated February 22, 2011 (which reports express an unqualified opinion and include an explanatory paragraph relating to the adoption of a new accounting standard) relating to the consolidated financial statements of SPX Corporation, and the effectiveness of SPX Corporation's internal control over financial reporting, appearing in this Annual Report on Form 10-K of SPX Corporation for the year ended December 31, 2010:

Filed on Form S-4:

        Registration Statement No. 333-68650

Filed on Form S-8:

Registration Statement No. 33-24043
Registration Statement No. 333-29843
Registration Statement No. 333-29851
Registration Statement No. 333-29855
Registration Statement No. 333-70245
Registration Statement No. 333-82645
Registration Statement No. 333-82647
Registration Statement No. 333-61766
Registration Statement No. 333-69250
Registration Statement No. 333-69252
Registration Statement No. 333-106897
Registration Statement No. 333-109112
Registration Statement No. 333-139351
Registration Statement No. 333-139352

/s/ Deloitte & Touche LLP

Charlotte, North Carolina
February 22, 2011

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EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm