**EXHIBIT 12.4**

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**CERTIFICATIONS**

I, Jean-Luc Fourneau, Principal Accounting Officer    of LegrandSA, certify that:

| 1.     | I have reviewed    this annual report on Form 20-F of Legrand Holding SA;                                                                                                                                                                                                                                  |
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| 2.     | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; |
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| 3.     | Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented in this report; |
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| 4.     | The company's other certifying officer(s) and Iare responsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15(d)-15(f)) for thecompany and have: |
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|   | (a)    | Designed such disclosure controls and procedures,or caused such disclosure controls and procedures to be designed under our supervision,to ensure that material information relating to the company, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared; |
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|   | (b)    | Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; |
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|   | (c)    | Evaluated the effectiveness of the company's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and |
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|   | (d)    | Disclosed in this report any change    in the company's internal control over financial reporting that occurred    during the period covered by the annual report that has materially affected,    or is reasonably likely to materially affect, the company's internal control    over financial reporting; and |
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| 5.     | The company's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the company's auditors and the audit committee of the company's board of directors (or persons performing the equivalent functions); |
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|   | (a)    | All significant deficiencies        and material weaknesses in the design or operation of internal control        over financial reporting which are reasonably likely to adversely affect        the company's ability to record, process, summarize and report financial        information; and |
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|   | (b) | Any fraud, whether or not material, that involves management or other employees who have a significant role in the company's internal control over financial reporting. |
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Date: April 29, 2005

Jean-Luc FourneauPrincipal Accounting Officer of Legrand SA

 

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