Document:

<PAGE>
                                                                    EXHIBIT 10.2

                                FOURTH AMENDMENT

         FOURTH AMENDMENT (this "Amendment"), dated as of July 12, 2002, to the
Credit Agreement, dated as of May 22, 2001 (as further amended, supplemented or
modified from time to time, the "Credit Agreement"), among Integrated Electrical
Services, Inc., a Delaware corporation (the "Borrower"), certain financial
institutions which are or may become parties thereto (the "Banks"), Credit
Lyonnais and The Bank of Nova Scotia, as syndications agents, Toronto Dominion
(Texas), Inc., as documentation agent, and JPMorgan Chase Bank, as
administrative agent (in such capacity, the "Administrative Agent").

                                   WITNESSETH:

         WHEREAS, pursuant to the Credit Agreement, the Banks have agreed to
make, and have made, certain loans and other extensions of credit to the
Borrower;

         WHEREAS, the Borrower has requested that the Administrative Agent and
the Banks amend a certain provision of the Credit Agreement; and

         WHEREAS, the Administrative Agent and the Banks are willing to agree to
the requested amendment on the terms and conditions contained herein;

         NOW, THEREFORE, the parties hereto hereby agree as follows:

         I. Defined Terms. Terms defined in the Credit Agreement and used herein
shall have the meanings given to them in the Credit Agreement, as amended
hereby.

         II. Amendment to the Credit Agreement. The definition of "Letter of
Credit Sublimit" set forth in Section 1.1 of the Credit Agreement is hereby
amended to read in its entirety as follows:

            "Letter of Credit Sublimit" means $50,000,000.

         III. Consent to Certain Sales. The Banks hereby consent to the sale of
the assets of Tesla Power and Automation, L.P. and Tesla Power Properties, L.P.
and the sale of the stock of Muth Electric, Inc. and Midlands Electrical
Contractors, Inc., in each case substantially in accordance with the written
disclosure of the terms and conditions for such sales delivered to the Banks
prior to the execution of this Amendment. Such sales shall be in addition to the
$5,000,000 annual basket for sales provided in Section 5.9(iii) of the Credit
Agreement. Upon the closing of the sale of the assets of Tesla Power and
Automation, L.P. and Tesla Power Properties, L.P., Administrative Agent is
authorized to execute and deliver releases of liens or security interests
covering the assets so sold and upon the closing of the sale of the stock of
Muth Electric, Inc. and Midlands Electrical Contractors, Inc., Administrative
Agent is authorized to execute and deliver releases of Muth Electric, Inc. and
Midlands Electrical Contractors, Inc. from any liabilities and obligations under
the Guaranty and to execute and deliver releases of

<PAGE>

liens or security interests covering assets owned by Muth Electric, Inc. and
Midlands Electrical Contractors, Inc.

         IV. Conditions to Effectiveness. This Amendment shall become effective
on the date on which this Amendment shall have been executed by the Borrower,
the Administrative Agent and the Banks.

         V. General.

         1. Representations and Warranties. The Borrower represents and warrants
that the representations and warranties made by the Borrower in the Credit
Documents are true and correct in all material respects on and as of the date
hereof, after giving effect to the effectiveness of this Amendment, as if made
on and as of the date hereof, and no Default or Event of Default has occurred
and is continuing.

         2. Payment of Expenses. The Borrower agrees to pay or reimburse the
Administrative Agent for all of its out-of-pocket costs and reasonable expenses
incurred in connection with this Amendment, any other documents prepared in
connection herewith and the transactions contemplated hereby, including, without
limitation, the reasonable fees and disbursements of counsel to the
Administrative Agent.

         3. No Other Amendments. This Amendment shall not be construed as a
waiver or consent to any further or future action on the part of the Borrower
that would require a waiver or consent of the Administrative Agent and/or the
Banks. Except as expressly amended hereby, the provisions of the Credit
Agreement are and shall remain in full force and effect.

         4. Governing Law; Counterparts.

         (a) This Amendment and the rights and obligations of the parties hereto
shall be governed by, and construed and interpreted in accordance with, the laws
of the State of New York.

         (b) This Amendment may be executed by one or more of the parties to
this Amendment on any number of separate counterparts, and all of said
counterparts taken together shall be deemed to constitute one and the same
instrument. This Amendment may be delivered by facsimile transmission of the
relevant signature pages hereof.

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and delivered by their respective proper and duly authorized
officers as of the day and year first above written.

                                       INTEGRATED ELECTRICAL SERVICES, INC.

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       JPMORGAN CHASE BANK,
                                       as Administrative Agent and as a Bank

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       CREDIT LYONNAIS, NEW YORK BRANCH,
                                       as Syndication Agent and as a Bank

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       THE BANK OF NOVA SCOTIA,
                                       as Syndication Agent and as a Bank

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       TORONTO DOMINION (TEXAS), INC.,
                                       as Documentation Agent and as a Bank

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       BANK OF SCOTLAND

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       FIRST BANK & TRUST

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       U. S. BANK NATIONAL ASSOCIATION
                                       (formerly known as FIRSTAR BANK, N.A.)

                                       By:
                                          --------------------------------------
                                          Gregory L. Dryden, Vice President

<PAGE>

                                       RZB FINANCE LLC

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

                                       SOUTHWEST BANK OF TEXAS, N.A.

                                       By:
                                          --------------------------------------
                                       Name:
                                            ------------------------------------
                                       Title
                                            ------------------------------------

<PAGE>

         The undersigned hereby join in this Amendment to evidence their consent
to execution by Borrower of this Amendment, to confirm that each Credit Document
now or previously executed by the undersigned applies and shall continue to
apply to the Credit Agreement, as amended hereby, and to acknowledge that
without such consent and confirmation, the Banks would not execute this
Amendment.

                                       1ST GROUP TELECOMMUNICATIONS, INC.
                                       ACE ELECTRIC, INC.
                                       ALADDIN WARD ELECTRIC & AIR, INC.
                                       AMBER ELECTRIC, INC.
                                       ANDERSON & WOOD CONSTRUCTION CO.,
                                       INC.
                                       ARC ELECTRIC, INCORPORATED
                                       BACHOFNER ELECTRIC, INC.
                                       BEAR ACQUISITION CORPORATION
                                       BRINK ELECTRIC CONSTRUCTION CO.
                                       BRITT RICE ELECTRIC, INC.
                                       BRITT RICE MANAGEMENT LLC
                                       BRYANT ELECTRIC COMPANY, INC.
                                       BW CONSOLIDATED, INC.
                                       BW/BEC, INC.
                                       CANOVA ELECTRICAL CONTRACTING, INC.
                                       CARROLL MANAGEMENT LLC
                                       CARROLL SYSTEMS, INC.
                                       CHARLES P. BAGBY COMPANY, INC.
                                       COLLIER ELECTRIC COMPANY, INC.
                                       COMMERCIAL ELECTRICAL CONTRACTORS,
                                       INC.
                                       CROSS STATE ELECTRIC, INC.
                                       CYPRESS ELECTRICAL CONTRACTORS, INC.
                                       DANIEL ELECTRICAL CONTRACTORS, INC.
                                       DANIEL ELECTRICAL OF TREASURE COAST
                                       INC.
                                       DANIEL INTEGRATED TECHNOLOGIES, INC.
                                       DAVIS ELECTRICAL CONSTRUCTORS, INC.
                                       DELCO ELECTRIC, INC.
                                       ELECTRO-TECH, INC.
                                       EMC ACQUISITION CORPORATION
                                       ERNEST P. BREAUX ELECTRICAL, INC.
                                       FEDERAL COMMUNICATIONS GROUP, INC.
                                       FLORIDA INDUSTRIAL ELECTRIC, INC.
                                       GENERAL PARTNER, INC.
                                       GOSS ELECTRIC COMPANY, INC.
                                       H.R. ALLEN, INC.
                                       HATFIELD REYNOLDS ELECTRIC COMPANY

<PAGE>

                                       HOLLAND ELECTRICAL SYSTEMS, INC.
                                       HOUSTON-STAFFORD ELECTRIC, INC.
                                       HOUSTON-STAFFORD MANAGEMENT LLC
                                       HOWARD BROTHERS ELECTRIC CO., INC.
                                       IES COMMUNICATIONS, INC.
                                       IES CONTRACTORS MANAGEMENT LLC
                                       IES ELECTRICAL GROUP, INC.
                                       IES PROPERTIES MANAGEMENT, INC.
                                       IES PROPERTIES, INC.
                                       IES RESIDENTIAL GROUP, INC.
                                       IES SPECIALTY LIGHTING, INC.
                                       IES VENTURES INC.
                                       INTEGRATED ELECTRICAL FINANCE, INC.
                                       INTELLIGENT BUILDING SOLUTIONS, INC.
                                       J.W. GRAY ELECTRIC CO., INC.
                                       J.W. GRAY MANAGEMENT LLC
                                       KAYTON ELECTRIC, INC.
                                       KEY ELECTRICAL SUPPLY, INC.
                                       LINEMEN, INC.
                                       MARK HENDERSON, INCORPORATED
                                       MENNINGA ELECTRIC, INC.
                                       MIDLANDS ELECTRICAL CONTRACTORS,
                                       INC.
                                       MID-STATES ELECTRIC COMPANY, INC.
                                       MILLS ELECTRICAL CONTRACTORS, INC.
                                       MILLS MANAGEMENT LLC
                                       MITCHELL ELECTRIC COMPANY, INC.
                                       M-S SYSTEMS, INC.
                                       MURRAY ELECTRICAL CONTRACTORS, INC.
                                       MUTH ELECTRIC, INC.
                                       NEAL ELECTRIC MANAGEMENT LLC
                                       NEW TECHNOLOGY ELECTRICAL
                                       CONTRACTORS, INC.
                                       NEWCOMB ELECTRIC COMPANY, INC.
                                       PAN AMERICAN ELECTRIC COMPANY, INC.
                                       PAN AMERICAN ELECTRIC, INC.
                                       PAULIN ELECTRIC COMPANY, INC.
                                       POLLOCK ELECTRIC INC.
                                       PRIMENET, INC.
                                       PRIMO ELECTRIC COMPANY
                                       RAINES ELECTRIC CO., INC.
                                       RAINES MANAGEMENT LLC
                                       RKT ELECTRIC, INC.
                                       ROCKWELL ELECTRIC, INC.
                                       RODGERS ELECTRIC COMPANY, INC.
                                       RON'S ELECTRIC, INC.

<PAGE>

                                       SPECTROL, INC.
                                       SEI ELECTRICAL CONTRACTOR, INC.
                                       SUMMIT ELECTRIC OF TEXAS, INC.
                                       T&H ELECTRICAL CORPORATION
                                       TECH ELECTRIC CO., INC.
                                       TESLA POWER G.P., INC.
                                       THOMAS POPP & COMPANY
                                       VALENTINE ELECTRICAL, INC.
                                       WOLFE ELECTRIC CO., INC.
                                       WRIGHT ELECTRICAL CONTRACTING, INC.

                                       By:
                                          --------------------------------------
                                          William Reynolds, Chief Financial
                                            Officer

                                       BRITT RICE HOLDINGS LLC
                                       BW/BEC, L.L.C.
                                       CARROLL HOLDINGS LLC
                                       DKD ELECTRIC COMPANY, INC.
                                       HOUSTON-STAFFORD HOLDINGS LLC
                                       ICS HOLDINGS LLC
                                       IES CONTRACTORS HOLDINGS LLC
                                       IES HOLDINGS LLC
                                       J.W. GRAY HOLDINGS LLC
                                       MILLS ELECTRICAL HOLDINGS LLC
                                       NBH HOLDING CO., INC.
                                       POLLOCK SUMMIT HOLDINGS INC.
                                       RAINES HOLDINGS LLC
                                       TESLA POWER (NEVADA), INC.

                                       By:
                                          --------------------------------------
                                          Adrianne M. Horne, President

                                       IES REINSURANCE, LTD.

                                       By:
                                          --------------------------------------
                                          David Miller, Vice President

<PAGE>

                                       IES PROPERTIES HOLDINGS, INC.

                                       By:
                                          --------------------------------------
                                          Victoria Garrett, President

                                       B. RICE ELECTRIC LP
                                       BEXAR ELECTRIC COMPANY, LTD.
                                       CARROLL SYSTEMS LP
                                       HAYMAKER ELECTRIC, LTD.
                                       HOUSTON-STAFFORD ELECTRICAL
                                       CONTRACTORS LP
                                       ICS INTEGRATED COMMUNICATION
                                       SERVICES LP
                                       IES CONTRACTORS LP
                                       IES MANAGEMENT LP
                                       IES PROPERTIES LP
                                       J.W. GRAY ELECTRICAL CONTRACTORS LP
                                       MILLS ELECTRIC LP
                                       NEAL ELECTRIC LP
                                       POLLOCK SUMMIT ELECTRIC LP
                                       RAINES ELECTRIC LP
                                       TESLA POWER AND AUTOMATION, L.P.
                                       TESLA POWER PROPERTIES, L.P.

                                       By:  ITS GENERAL PARTNER

                                            By:
                                               ---------------------------------
                                               William Reynolds,
                                               Chief Financial Officer<PAGE>

                                                                    Exhibit 4.10

                             AMENDMENT NO. 1 TO THE
                   TRUST AGREEMENT OF EVEREST RE CAPITAL TRUST

     This Amendment No. 1 to the Trust Agreement of Everest Re Capital Trust
(the "Trust"), dated as of July 23, 2002 (this "Amendment"), is entered into
among Everest Reinsurance Holdings, Inc., a Delaware corporation, as depositor
(the "Depositor"), and JPMorgan Chase Bank, a New York banking corporation, as
trustee (the "Property Trustee"), Chase Manhattan Bank USA, National
Association, as trustee (the "Delaware Trustee"), and Stephen L. Limauro, as
administrative trustee (the "Administrative Trustee").

     WHEREAS, certain of the parties hereto entered into a Trust Agreement of
the Trust, dated as of September 17, 1999, (the "Original Trust Agreement"), and
a Certificate of Trust of the Trust was filed with the Secretary of State of the
State of Delaware on September 17, 1999;

     WHEREAS, The Chase Manhattan Bank has changed its name to JPMorgan Chase
Bank;

     WHEREAS, Chase Manhattan Bank USA, National Association is successor in
interest to Chase Manhattan Bank Delaware; and

     WHEREAS, to reflect the foregoing, the parties hereto desire to amend the
Original Trust Agreement.

     IN WITNESS WHEREOF, the undersigned, intending to be legally bound hereby,
agree as follows:

                                    AMENDMENT

     The undersigned hereby confirm that the Property Trustee is JPMorgan Chase
Bank and that the Delaware Trustee is Chase Manhattan Bank USA, National
Association.

                                  MISCELLANEOUS

     1. This Amendment shall be binding upon, and shall enure to the benefit of,
the parties hereto and their respective successors and assigns.

     2. This Amendment may be executed in counterparts, all of which together
shall constitute one agreement binding on all parties hereto, notwithstanding
that all such parties are not signatories to the original or same counterpart.

     3. This Amendment shall be interpreted in accordance with the laws of the
State of Delaware (without regard to conflict of laws principles), all rights
and remedies being governed by such laws.

     4. Except as modified by this Amendment, the Original Trust Agreement will
remain in full force and effect.

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed as of the date first above written.

                                    EVEREST REINSURANCE HOLDINGS, INC.,
                                    as Depositor

                                    By: /s/ Stephen L. Limauro
                                        ----------------------------------------
                                        Name:  Stephen L. Limauro
                                        Title: Executive Vice President &
                                               Chief Financial Officer

                                    JPMORGAN CHASE BANK,
                                    as Property Trustee

                                    By: /s/ Timothy E. Burke
                                        ----------------------------------------
                                        Name:  Timothy E. Burke
                                        Title: Vice President

                                    CHASE MANHATTAN BANK USA, NATIONAL
                                    ASSOCIATION, as Delaware Trustee

                                    By: /s/ Michael B. McCarthy
                                        ----------------------------------------
                                        Name:  Michael B. McCarthy
                                        Title: Vice President

                                    STEPHEN L. LIMAURO,
                                    as Administrative Trustee

                                    /s/ Stephen L. Limauro
                                    --------------------------------------------

                                       2

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00041-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00041-of-00352.parquet"}]]