Exhibit 32

CERTIFICATION PURSUANT TO

EXCHANGE ACT RULE 13a-14(b) AND

18 U.S.C. SECTION 1350

           In connection with the Quarterly Report of Emerson Electric Co. (the "Company") on Form 10-Q for the period ended March 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, D. N. Farr, Chairman of the Board, Chief Executive Officer and President of the Company, certify, to the best of my knowledge, pursuant to Exchange Act Rule 13a-14(b) and 18 U.S.C. Section 1350, that:

(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ D. N. Farr  

D. N. Farr

Chairman of the Board,

Chief Executive Officer and President Emerson Electric Co.

May 7, 2008

CERTIFICATION PURSUANT TO

EXCHANGE ACT RULE 13a-14(b) AND

18 U.S.C. SECTION 1350         

           In connection with the Quarterly Report of Emerson Electric Co. (the "Company") on Form 10-Q for the period ended March 31, 2008, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, W. J. Galvin, Senior Executive Vice President and Chief Financial Officer of the Company, certify, to the best of my knowledge, pursuant to Exchange Act Rule 13a-14(b) and 18 U.S.C. Section 1350, that:

(1)	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ W. J. Galvin     

W. J. Galvin

Senior Executive Vice President and

Chief Financial Officer

Emerson Electric Co.

May 7, 2008