**Exhibit      10(nn)**

**SIXTH      AMENDMENT TO**

**LOAN      AND SECURITY AGREEMENT**

----

|  **Period**                                                                                                                                             | **Minimum****EBITDA** |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------|
| 1                month period ending January 31, 2005                                                                                                        | ($1,194,000)          |
| 2                month period ending February 28, 2005                                                                                                       | ($2,236,000)          |
| 3                month period ending March 31, 2005                                                                                                          | ($3,004,000)          |
| 4                month period ending April 30, 2005                                                                                                          | ($3,359,000)          |
| 5                month period ending May 31, 2005                                                                                                            | ($3,434,000)          |
| 6                month period ending June 30, 2005                                                                                                           | ($2,953,000)          |
| 7                month period ending July 31, 2005                                                                                                           | ($2,333,000)          |
| 8                month period ending August 31, 2005                                                                                                         | ($1,648,000)          |
| 9                month period ending September 30, 2005                                                                                                      | ($1,004,000)          |
| 10                month period ending October 31, 2005                                                                                                       | ($5,000)              |
| 11                month period ending November 30, 2005                                                                                                      | $458,000              |
| 12                month period ending December 31, 2005                                                                                                      | $812,000              |
| 12                month period ending January 31, 2006 and the 12 month period ending                on the                last day of each month thereafter | $5,000,000            |

----

| Period                                                                                             | Amount     |
|----------------------------------------------------------------------------------------------------|------------|
| Fiscal                year ending December 31, 2005                                                | $5,800,000 |
| Fiscal                year ending December 31, 2006 and each fiscal year                thereafter | $2,000,000 |

----

----

----

| **BORROWERS:** **ALPINE                HOLDCO INC.**,a                Delaware corporation By                /s/                David A.                Owen                                                                    Title                Vice-President                Finance                                                          **ESSEX                ELECTRIC INC.**,a                Delaware corporation By                /s/                David A.                Owen                                                                    Title                Vice-President                Finance                                          |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| **AGENT:** **WELLS                FARGO FOOTHILL, INC.**,a                California corporation  By                /s/                Victor                Barwig                                                                      Title                Senior                Vice-President                                                                                                              |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| **DOCUMENTATION                AGENT:** **CONGRESS                FINANCIAL CORPORATION (CENTRAL)**,an                Illinois corporation  By                /s/                Laura J.                Wheeland                                                               Title                Vice-President                                                          |

----

| **LENDERS:** **WELLS                FARGO FOOTHILL, INC.**  By                /s/                Victor                Barwig                                                                          Title                Senior                Vice-President                                                                **STANDARD                FEDERAL BANK NATIONAL ASSOCIATION** **By:                LaSalle Business Credit, LLC, its Agent**  By                _____________________________________Title                ____________________________________ **CONGRESS                FINANCIAL CORPORATION (CENTRAL)**   By                /s/                Laura J.                Wheeland                                                                 Title                Vice-President                                                            |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----