EX-23.1 3 ex23-1_071504.txt CONSENT OF DELOITT & TOUCHE LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement of Dycom Industries, Inc. on Form S-8 of our report dated August 22, 2003 (which expresses an unqualified opinion and includes an explanatory paragraph relating to a 2002 change in method of accounting for goodwill and other intangible assets), appearing in the Annual Report on Form 10-K of Dycom Industries, Inc. for the year ended July 26, 2003. /s/ Deloitte & Touche LLP ------------------------- DELOITTE & TOUCHE LLP West Palm Beach, Florida July 12, 2004