1 EXHIBIT 23.4 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS Board of Directors Kayton Electric, Inc. We consent to the incorporation by reference in this Registration Statement on Form S-4 of Integrated Electrical Services, Inc. of our report dated January 28, 1998 (November 19, 1998 as to note 8) on the financial statements of Kayton Electric, Inc. included in Integrated Electrical Services, Inc.'s Current Report on Form 8-K/A, filed with the Securities and Exchange Commission on March 17, 1999, including references to our firm in the Form S-4. /s/ KPMG PEAT MARWICK LLP KPMG PEAT MARWICK LLP Lincoln, Nebraska March 24, 1999