1 EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our report dated February 15, 1999, included in SPX Corporation's Form 10-K for the year ended December 31, 1998, and to all references to our firm included in or made a part of this registration statement. /s/ ARTHUR ANDERSEN LLP ARTHUR ANDERSEN LLP Chicago, Illinois July 8, 1999