EX-23.1 5 h85578ex23-1.txt CONSENT OF ARTHUR ANDERSEN LLP 1 EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference of our report included in this Form 10-K, into Quanta Services, Inc.'s previously filed Registration Statements on Form S-8 (File Nos. 333-47069, 333-56849 and 333-86375) and Form S-3 (File Nos. 333-81419, 333-90961 and 333-39744). ARTHUR ANDERSEN LLP Houston, Texas March 28, 2001