EXHIBIT 23.1 ------------ CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated September 11, 1998, included in Cable Design Technologies Corporation and Subsidiaries' Form 10-K for the year ended July 31, 1998, and to all references to our Firm included in this Registration Statement. ARTHUR ANDERSEN LLP Pittsburgh, Pennsylvania, April 14, 1999