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                                                                    EXHIBIT 4.16

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                         INTERNATIONAL WIRE GROUP, INC.

                    INTERNATIONAL WIRE ROME OPERATIONS, INC.

                            THE SUBSIDIARY GUARANTORS

                                       AND

                  IBJ SCHRODER BANK & TRUST COMPANY, AS TRUSTEE

                                   ----------

                          SECOND SUPPLEMENTAL INDENTURE

                            DATED AS OF APRIL 7, 1998

                                       TO

                                    INDENTURE

                          DATED AS OF FEBRUARY 12, 1997

                                      AMONG

                   INTERNATIONAL WIRE GROUP, INC., AS ISSUER,

                           THE SUBSIDIARY GUARANTORS

                                       AND

                  IBJ SCHRODER BANK & TRUST COMPANY, AS TRUSTEE

                                   ----------

                                   $10,000,000

                     14% SENIOR SUBORDINATED NOTES DUE 2005

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                  SECOND SUPPLEMENTAL INDENTURE, dated as of April 7, 1998,
among INTERNATIONAL WIRE GROUP, INC., a Delaware corporation (the "Company"),
INTERNATIONAL WIRE ROME OPERATIONS, INC., a Delaware corporation ("IW Rome"),
and IBJ SCHRODER BANK & TRUST COMPANY, as Trustee (the "Trustee").

                  WHEREAS, the Company has heretofore executed and delivered to
the trustee an Indenture, dated as of February 12, 1997, as supplemented by that
certain First Supplemental Indenture, dated as of June 10, 1997 (as
supplemented, the "Indenture"), providing for the issuance of $10,000,000
aggregate principal amount of the Company's 14% Senior Subordinated Notes due
2005 (the "Securities");

                  WHEREAS, the Company and IW Rome desire by this Second
Supplemental Indenture, pursuant to and as contemplated by Article XI of the
Indenture, that IW Rome become a Subsidiary Guarantor (as defined in the
Indenture) under the Indenture;

                  WHEREAS, the execution and delivery of this Second
Supplemental Indenture has been authorized by a resolution of the Board of
Directors of each of the Company and IW Rome; and

                  WHEREAS, all conditions and requirements necessary to make
this Second Supplemental Indenture a valid, binding and legal instrument in
accordance with its terms have been performed and fulfilled by the parties
hereto and the execution and delivery thereof have been in all respects duly
authorized by the parties hereto.

                  NOW, THEREFORE, in consideration of the above premises, each
party agrees, for the benefit of the other and for the equal and ratable benefit
of the Holders (as defined in the Indenture) of the Securities, as follows:

                                    ARTICLE I

                ASSUMPTION OF OBLIGATIONS AS SUBSIDIARY GUARANTOR

                  Section 1.1. Assumption. IW Rome hereby expressly and
unconditionally assumes each and every covenant, agreement and undertaking of a
Subsidiary Guarantor in the Indenture as of the date of this Second Supplemental
Indenture, and also hereby expressly and unconditionally assumes each and every
covenant, agreement and undertaking of a Subsidiary Guarantor in each Security
outstanding on the date of this Second Supplemental Indenture.

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                                   ARTICLE II

                            MISCELLANEOUS PROVISIONS

                  Section 2.1. Terms Defined. For all purposes of this Second
Supplemental Indenture, except as otherwise defined or unless the context
otherwise requires, terms used in capitalized form in this Second Supplemental
Indenture and defined in the Indenture have the meanings specified in the
Indenture.

                  Section 2.2. Indenture. Except as amended hereby, the
Indenture and the Securities are in all respects ratified and confirmed and all
the terms thereof shall remain in full force and effect.

                  Section 2.3. Governing Law. THIS SECOND SUPPLEMENTAL INDENTURE
SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
NEW YORK, AS APPLIED TO CONTRACTS MADE AND PERFORMED WITHIN THE STATE OF NEW
YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAWS.

                  Section 2.4. Successors. All agreements of the Company and IW
Rome in this Second Supplemental Indenture and the Securities shall bind each of
their successors. All agreements of the Trustee in this Second Supplemental
Indenture and in the Indenture shall bind its successors.

                  Section 2.5. Multiple Counterparts. The parties may sign
multiple counterparts of this Second Supplemental Indenture. Each signed
counterpart shall be deemed an original, but all of them together represent the
same agreement.

                  Section 2.6. Trustee Disclaimer. The Trustee accepts the
amendment of the Indenture effected by this Second Supplemental Indenture and
agrees to execute the trust created by the Indenture as hereby amended, but only
upon the terms and conditions set forth in the Indenture, including the terms
and provisions defining and limiting the liabilities and responsibilities of the
Trustee, which terms and provisions shall in like manner define and limit its
liabilities and responsibilities in the performance of the trust created by the
Indenture as hereby amended, and without limiting the generality of the
foregoing, the Trustee shall not be responsible in any manner whatsoever for or
with respect to any of the recitals or statements contained herein, all of which
recitals or statements are made solely by the Company, or for or with respect to
(i) the validity or sufficiency of this Second Supplemental Indenture or any of
the terms or provisions hereof, (ii) the proper authorization hereof by the
Company by corporate action or otherwise, (iii) the due execution hereof by the
Company or

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(iv) the consequences (direct or indirect and whether deliberate or inadvertent)
of any amendment herein provided for, and the Trustee makes no representation
with respect to any such matters.

                  Section 2.7. Indemnification. The indemnification provisions
of Section 7.7 of the Indenture shall include any and all loss, liability or
expense (including reasonable attorneys' fees) incurred by the Trustee in
connection with the execution and delivery of this Second Supplemental Indenture
and the performance of its duties hereunder.

            [The remainder of this page is intentionally left blank.]

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                                   SIGNATURES

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

                                               INTERNATIONAL WIRE GROUP, INC.

                                               By: /s/ DAVID M. SINDELAR
                                                  -----------------------------
                                                  David M. Sindelar
                                                  Senior Vice President

                                               INTERNATIONAL WIRE ROME
                                               OPERATIONS, INC.

                                               By: /s/ DAVID J. WEBSTER
                                                  -----------------------------
                                                  David J. Webster
                                                  Vice President and Assistant
                                                  Secretary

                                               IBJ SCHRODER BANK & TRUST COMPANY

                                               By: /s/ STEPHEN J. GIURLANDO
                                                  -----------------------------
                                               Name: Stephen J. Giurlando
                                                    ---------------------------
                                               Title: Assistant Vice President
                                                     --------------------------

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                                                                    EXHIBIT 4.17

                          SECOND SUPPLEMENTAL INDENTURE

                  This Second Supplemental Indenture (this "SUPPLEMENTAL
INDENTURE"), dated as of December 29, 1999, is between International Wire Group
Inc., a Delaware corporation (the "COMPANY"), International Wire Leasing, Inc.,
a Delaware corporation, and IWG Resources, Inc., a Nevada corporation (the
"ADDITIONAL SUBSIDIARY GUARANTORS") and The Bank of New York, as successor
Trustee (the "TRUSTEE") to IBJ Schroder Bank & Trust Company (the "ORIGINAL
TRUSTEE").

                  WHEREAS, the Company, Camden Wire Co., Inc., ECM Holding
Company, Omega Wire, Inc., OWI Corporation, Wire Harness Industries, Inc.,
Wirekraft Employment Company, Wirekraft Industries, Inc., Wire Technologies,
Inc. (the foregoing, with the exception of the Company, being collectively
referred to herein as the "SUBSIDIARY GUARANTORS") and the Original Trustee have
heretofore executed and delivered to the Original Trustee an Indenture, dated as
of June 17, 1997 (the "INDENTURE"), providing for the issuance of $150,000,000
aggregate principal amount of the Company's 11 3/4% Series B Senior Subordinated
Notes due 2005 (the "SECURITIES");

                  WHEREAS, the Additional Subsidiary Guarantors are
newly-created, wholly-owned subsidiaries of the Company; and

                  WHEREAS, Section 11.7 of the Indenture provides that
concurrently with the creation by the Company of any subsidiary, the Company,
such subsidiary and the Trustee shall execute and deliver a supplemental
indenture providing that such subsidiary will be a subsidiary guarantor under
the Indenture.

                  NOW, THEREFORE, in consideration of the foregoing and for
other good and valuable consideration, the receipt and sufficiency of which is
hereby acknowledged, the Company the Additional Subsidiary Guarantor and the
Trustee mutually covenant and agree for the equal and ratable benefit of the
Holders as follows:

                                   Article I

                ASSUMPTION OF OBLIGATIONS AS SUBSIDIARY GUARANTOR

         Section 1.1 Agreement to Guarantee. Each of the Additional Subsidiary
Guarantors hereby agrees that its obligations to the Holders and the Trustee
pursuant to this Subsidiary Guarantee shall be as expressly set forth in Article
XI of the Indenture and in such other provisions of the Indenture as are
applicable to the Subsidiary Guarantors. The terms of Article XI of the
Indenture and such other provisions of the Indenture as are applicable to the
Subsidiary Guarantors are incorporated herein by reference.

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                                   Article II

                            MISCELLANEOUS PROVISIONS

         Section 2.1 Capitalized Terms. Capitalized terms used herein without
definition shall have the meanings assigned to them in the Indenture.

         Section 2.2 Indenture. Except as amended hereby, the Indenture and the
Securities are in all respects ratified and confirmed and all the terms thereof
shall remain in full force and effect.

         Section 2.3 Governing Law. This Supplemental Indenture shall be
governed by, and construed in accordance with, the laws of the State of New
York, as applied to contracts made and performed within the State of New York,
but without giving effect to applicable principles of conflicts of law to the
extent that the application of the laws of another jurisdiction would be
required thereby.

         Section 2.4 Multiple Counterparts. The parties may sign multiple
counterparts of this Supplemental Indenture. Each signed counterpart shall be
deemed an original, but all of them together represent the same agreement.

         Section 2.5 Successors. All agreements of the Company and the
Additional Subsidiary Guarantors in this Supplemental Indenture and the
Securities shall bind each of their successors. All agreements of the Trustee in
this Supplemental Indenture and in the Indenture shall bind its successors.

         Section 2.6 Trustee Disclaimer. The Trustee accepts the amendment of
the Indenture effected by this Supplemental Indenture and agrees to execute the
trust created by the Indenture as hereby amended, but only upon the terms and
conditions set forth in the Indenture, including the terms and provisions
defining and limiting the liabilities and responsibilities of the Trustee, which
terms and provisions shall in like manner define and limit its liabilities and
responsibilities in the performance of the trust created by the Indenture as
hereby amended, and without limiting the generality of the foregoing, the
Trustee shall not be responsible in any manner whatsoever for or with respect to
any of the recitals or statements contained herein, all of which recitals or
statements are made solely by the Company, or for or with respect to (i) the
validity or sufficiency of this Supplemental Indenture or any of the terms or
provisions hereof, (ii) the proper authorization hereof by the Company by
corporate action or otherwise, (iii) the due execution hereof by the Company or
(iv) the consequences (direct or indirect and whether deliberate or inadvertent)
of any amendment herein provided for, and the Trustee makes no representation
with respect to any such matters.

         Section 2.7 Rights of Trustee; Indemnification. All of the Trustee's
rights, privileges, protections and immunities contained in the Indenture are
hereby incorporated as if set forth in full herein, including, without
limitation, the indemnification provisions of Section 7.7 of the Indenture,
which shall include any and all loss, liability or expense

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(including reasonable attorneys' fees) incurred by the Trustee in connection
with the execution and delivery of this Supplemental Indenture and the
performance of its duties hereunder.

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

                                          INTERNATIONAL WIRE GROUP, INC.

                                          By: /s/ DAVID J. WEBSTER
                                             ----------------------------------
                                          Name:  David J. Webster
                                          Title: Senior Vice President

                                          INTERNATIONAL WIRE LEASING,
                                          INC.

                                          By: /s/ DAVID J. WEBSTER
                                             ----------------------------------
                                          Name:  David J. Webster
                                          Title: President and Secretary

                                          IWG RESOURCES, INC.

                                          By: /s/ DAVID J. WEBSTER
                                             ----------------------------------
                                          Name:  David J. Webster
                                          Title: President and Secretary

                                          THE BANK OF NEW YORK,
                                          as Trustee

                                          By: /s/ STEPHEN J. GIURLANDO
                                             ----------------------------------
                                          Name: Stephen J. Giurlando
                                               --------------------------------
                                          Title: Vice President
                                                -------------------------------

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