Exhibit 10(oo)

CONSENT, AMENDMENT AND WAIVER TO LEASE AGREEMENT

THIS CONSENT, AMENDMENT AND WAIVER TO LEASE AGREEMENT (this "Agreement"), dated as of December 11, 2002
(the "Effective Date"), between ST (TX) LP ("Landlord"), a Delaware limited partnership (successor in interest to ALP(TX) QRS 11-28, INC.), and SUPERIOR
TELECOMMUNICATIONS INC., a Delaware corporation f/k/a Superior Teletec, Inc. and Superior TeleTec Transmission Products, Inc. ("Tenant").

W I T N E S S E T H

WHEREAS, Landlord and Tenant entered into that certain Lease Agreement, dated as of December 16, 1993, as amended by a First Amendment (the
"First Amendment")to Lease Agreement, dated as of May 10, 1995, a Second Amendment (the "Second
Amendment") to Lease Agreement, dated as of July 21, 1995, a Third Amendment (the "Third Amendment") to Lease Agreement,
dated as of October 3, 1996, a Fourth Amendment (the "Fourth Amendment") to Lease Agreement, dated as of November 27, 1998, and a Fifth
Amendment (the "Fifth Amendment") to Lease Agreement and Waiver, dated as of December 27, 2001 (collectively, as so amended, the
"Lease").

WHEREAS,
the Lease is guaranteed by The Alpine Group, Inc., a Delaware corporation ("Guarantor") and Superior Telecom Inc.,
a Delaware corporation ("Parent"), pursuant to a Guaranty and Suretyship Agreement dated as of December 16, 1993, as amended (the "Guaranty");

WHEREAS,
the parties hereto are entering into this Agreement in connection with the (i) consummation by the Tenant and its affiliates of the 2002 Asset Sale and the New
Receivables Securitization Facility (as such capitalized terms are hereinafter defined) and (ii) Tenant's request for an extension of the financial covenants compliance waiver implemented under
the Fifth Amendment; and

WHEREAS,
in connection therewith, Landlord and Tenant have agreed to amend certain provisions in the Lease and waive Tenant's compliance with certain provisions thereunder, subject to
the terms and conditions hereof.

NOW,
THEREFORE, intending to be legally bound and for good valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto covenant and agree as
follows:

1.Definitions.



---



2

---



2.Waiver and Consent.(a) Reference is hereby made to Exhibit A to the Fifth Amendment and
Exhibit E to the Fourth Amendment (collectively, the "Covenants"). Landlord hereby agrees to waive (the
"Waiver") the following Covenants in order to permit the consummation of the 2002 Asset Sale:

Document

Section

CovenantExhibit E of the
Fourth Amendment;

Section 8.02

Consolidation, Merger, Sale or Purchase of Assets, etc.Exhibit A of the
Fifth Amendment

Section 8.02

Consolidation, Merger, Sale or Purchase of Assets, etc.




3

---

3.Exercise of Initial Extension and Related Amendment to Expiration Date.(a) Notwithstanding anything
in Paragraph 5(b) to the Lease to the contrary, Tenant hereby elects to extend the Term for an additional five (5) years and Landlord hereby acknowledges and agrees to such extension,
and no further notice of such initial extension shall be required.



4.Further Amendments.(a) Paragraph 6 of the Lease is hereby amended by adding the following after
"(each such day being a "Basic Rent Payment Date")" and before the "." in the first sentence thereof:



4

---



5

---



5.Current Applicable Covenants.Tenant represents to Landlord that attached as Exhibit A hereto is the
true and complete copy of Amendment No. 9 which includes the Applicable Covenants as in effect on the Effective Date.

6.Representation.Tenant represents to Landlord that its leasehold interest in the Premises is free and clear
of any mortgage, lien, security interest or encumbrance of any kind.

7.Fee.In consideration of Landlord's execution of this Agreement, Tenant shall simultaneously herewith pay
Landlord a fee of $50,000, plus the reasonable fees and expenses of Landlord's outside counsel in connection herewith upon presentation of a statement therefor, and the payment of such fees and
expenses shall be in full and complete satisfaction of all Landlord's fees and expenses in connection herewith.

8.Conflicts.If and to the extent that any of the provisions of this Agreement conflict with or are otherwise
inconsistent with any of the provisions of the Lease, whether or not such inconsistency is expressly noted in this Agreement, the provisions of this Agreement shall prevail.

9.Successors and Assigns.The Lease as amended by this Agreement shall be binding upon Landlord and Tenant and
their respective successors and assigns.

10.Governing Law.This Agreement shall be governed by and construed in accordance with the laws of the State of
Texas.

11.Counterparts.This Agreement may be executed in any number of counterparts and by the different parties
hereto on separate counterparts, each of which when so executed shall be deemed an original, but all such counterparts shall constitute but one and the same instrument.

[THE
REMAINDER OF THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY]

6

---

IN
WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first above written.

| |  | ST (TX) LP,
a Delaware Limited Partnership              
| |  | --------------------------------------------------------
| |  | By:                                                     
| |  | By:                                                     
| |  | SUPERIOR TELECOMMUNICATIONS INC.,
A Delaware corporation
| |  | By:                                                     

7

---

CONSENT OF GUARANTOR AND PARENT

THE ALPINE GROUP, INC., a Delaware corporation (the "Guarantor") and SUPERIOR TELECOM INC., a
Delaware corporation (the "Parent"), hereby (i) consent to the within Consent, Amendment and Waiver to Lease Agreement and (ii) agrees
that for purposes of the Guaranty and Suretyship Agreement, dated as of December 16, 1993, as amended (the "Guaranty"), pursuant to which the
Guarantor and Parent guaranteed the obligations of the Tenant (as defined in the Guaranty), the term "Lease" shall mean the Lease as referred to in and
as amended by the within Consent, Amendment and Waiver to Lease Agreement.

SUPERIOR
TELECOM INC. hereby agrees to be bound by the provisions of Paragraph 33 of the Lease.

| |  | THE ALPINE GROUP, INC.
| |  | ----------------------
| |  | By:                   
| |  | SUPERIOR TELECOM INC. 
| |  | By:                   

8

---

CONSENT OF LENDER

BNY MIDWEST TRUST COMPANY, TRUSTEE FOR P&M COMMERCIAL SECURITIES, INC.'S COMMERCIAL MORTGAGE PASS-THROUGH CERTIFICATES SERIES
2002-1, hereby consents to the attached Consent, Amendment and Waiver of Lease Agreement.

|By: |  | Midland Loan Services, Inc.,
A Delaware corporation,
Its Attorney-in-Fact | 
|--- |  | ------------------------------------------------------------------------- | 
|    |  | By:                                                                       | 
|    |  | Date:                                                                     | 

9

---

QuickLinks