**Exhibit 7**

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**Computation of ratio of earnings to fixed charges**

|                                     |   |                                 |   |
|------------------------------------------|--------|--------------------------------------|--------|
| FRENCH    GAAP                           |   | **Year Ended          December 31,** |   |
|                                     |        |                                      |   |
|                                     |   | PREDECESSOR                          |   |   | LEGRAND HOLDING        SA |   |
|                                     |        |                                      |   |  |  |   |
|                                     |   | **1998**                             |   |   | **1999** |   |   | **2000** |   |   | **2001** |   |   | **2002** |   |   | **2003** |   |   | **2004** |   |
|                                     |        |                                      |   |  |  |   |  |  |   |  |  |   |  |  |   |  |  |   |  |  |   |
|                                     |   | **(€ in          millons)**     |   |   |   |   |   |   |   |
|                                     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings                                 |   | 193                                  |   |   | 204 |   |   | 235 |   |   | 176 |   |   | 186 |   |   | -126.9 |   |   | -27.8 |   |
| Minority interest                        |   | 2                                    |   |   | 2 |   |   | 2 |   |   | 2 |   |   | 2 |   |   | 0.9 |   |   | 1.2 |   |
| Provision for income taxes               |   | 99                                   |   |   | 104 |   |   | 106 |   |   | 56 |   |   | 51 |   |   | -8 |   |   | 39 |   |
| Income/loss from equity method investees |   | -7                                   |   |   | -1 |   |   | -4 |   |   | -3 |   |   | -3 |   |   | -2.4 |   |   | -2.6 |   |
| Interest capitalized                     |   | 0                                    |   |   | 0 |   |   | -1 |   |   | -2 |   |   | -2 |   |   | 0 |   |   | 0 |   |
| Fixed charges                            |   | 107.2                                |   |   | 101 |   |   | 155 |   |   | 189 |   |   | 161 |   |   | 296 |   |   | 246.2 |   |
| Dividends from equity method investees   |   | 2                                    |   |   | 3 |   |   | 4 |   |   | 2 |   |   | 2 |   |   | 2.4 |   |   | 0.6 |   |
|                                     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Adjusted “Earnings”          |   | 396.2                                |   |   | 413 |   |   | 497 |   |   | 420 |   |   | 397 |   |   | 162 |   |   | 256.6 |   |
|                                     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed Charges:                           |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest costs                           |   | 80                                   |   |   | 74 |   |   | 122 |   |   | 148 |   |   | 121 |   |   | 259.6 |   |   | 245.3 |   |
| Interest expense of equity investees     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 0 |   |   | 0 |   |
| Discount expenses                        |   | 24                                   |   |   | 25.8 |   |   | 28 |   |   | 38 |   |   | 36 |   |   | 0 |   |   | 0 |   |
| Interest on rentals                      |   | 3.2                                  |   |   | 4 |   |   | 4 |   |   | 4.1 |   |   | 4 |   |   | 1.2 |   |   | 0.9 |   |
|                                     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total fixed charges                      |   | 107.2                                |   |   | 103.8 |   |   | 154 |   |   | 190.1 |   |   | 161 |   |   | 260.8 |   |   | 246.2 |   |
|                                     |   |                                 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of earnings to fixed charges       |   | 3.69                                 |   |   | 3.98 |   |   | 3.23 |   |   | 2.21 |   |   | 2.47 |   |   | 0.62 |   |   | 1.04 |   |
|                                     |        |                                      |   |

 

|  US    GAAP                         |   | **Year Ended December        31,** |   |
|------------------------------------------|--------|------------------------------------|--------|
|                                     |        |                                    |   |
|                                     |   | PREDECESSOR                        |   |   | LEGRAND HOLDING      SA |   |
|                                     |        |                                    |   |  |  |   |
|                                     |   | **1998**                           |   |   | **1999** |   |   | **2000** |   |   | **2001** |   |   | **2002** |   |   | **2003** |   |   | **2004** |   |
|                                     |        |                                    |   |  |  |   |  |  |   |  |  |   |  |  |   |  |  |   |  |  |   |
|                                     |   | **(€ in millons)**            |   |   |   |   |   |   |   |
|                                     |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings                                 |   | 193                                |   |   | 204 |   |   | 235 |   |   | 144 |   |   | 213 |   |   | -160 |   |   | 15.8 |   |
| Minority interest                        |   | 2                                  |   |   | 2 |   |   | 2 |   |   | 2 |   |   | 2 |   |   | 0.9 |   |   | 1.2 |   |
| Provision for income taxes               |   | 99                                 |   |   | 108.3 |   |   | 111.1 |   |   | 55.3 |   |   | 82 |   |   | -21.9 |   |   | 40.5 |   |
| Income/loss from equity method investees |   | -7                                 |   |   | -1 |   |   | -4 |   |   | -3 |   |   | -4 |   |   | -2.4 |   |   | -2.6 |   |
| Interest capitalized                     |   | 0                                  |   |   | 0 |   |   | -1 |   |   | -2 |   |   | -2 |   |   | 0 |   |   |   |   |
| Fixed charges                            |   | 83.2                               |   |   | 78 |   |   | 126 |   |   | 152 |   |   | 125 |   |   | 302.3 |   |   | 238.6 |   |
| Dividends from equity method investees   |   | 2                                  |   |   | 3 |   |   | 4 |   |   | 2 |   |   | 2 |   |   | 2.4 |   |   | 0.6 |   |
|                                     |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Adjusted “Earnings”          |   | 372.2                              |   |   | 394.3 |   |   | 473.1 |   |   | 350.3 |   |   | 418 |   |   | 121.3 |   |   | 294.1 |   |
|                                     |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed Charges:                           |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest costs                           |   | 80                                 |   |   | 74 |   |   | 122 |   |   | 148 |   |   | 121 |   |   | 302.3 |   |   | 237.7 |   |
| Interest on rentals                      |   | 3.2                                |   |   | 4 |   |   | 4 |   |   | 4.1 |   |   | 4 |   |   | 1.2 |   |   | 0.9 |   |
|                                     |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total fixed charges                      |   | 83.2                               |   |   | 78 |   |   | 126 |   |   | 152.1 |   |   | 125 |   |   | 303.5 |   |   | 238.6 |   |
|                                     |   |                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of earnings to fixed charges       |   | 4.47                               |   |   | 5.06 |   |   | 3.75 |   |   | 2.37 |   |   | 3.34 |   |   | 0.4 |   |   | 1.23 |   |
|                                     |        |                                    |   |
|                                     |   |                               |   |

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