Exhibit 24 POWER OF ATTORNEY The undersigned members of the Board of Directors and Executive Officers of Emerson Electric Co., a Missouri corporation with principal offices at 8000 West Florissant Avenue, St. Louis, Missouri 63136, hereby appoint W. J. Galvin as their Attorney-in- Fact for the purpose of signing Emerson Electric Co.'s Securities and Exchange Commission Form 10-K (and any and all amendments thereto) for the fiscal year ended September 30, 2000. Dated: October 3, 2000 ----------------- Signature Title --------- ----- /s/C. F. Knight Chairman of the Board - ----------------------------- and Director C. F. Knight /s/D. N. Farr Chief Executive Officer - ----------------------------- and Director D. N. Farr /s/W. J. Galvin Executive Vice President and Chief - ----------------------------- Financial Officer and Director W. J. Galvin /s/J. G. Berges Director - ----------------------------- J. G. Berges /s/L. L. Browning, Jr. Director - ----------------------------- L. L. Browning, Jr. /s/A. A. Busch III Director - ----------------------------- A. A. Busch III /s/D. C. Farrell Director - ----------------------------- D. C. Farrell /s/J. A. Frates Director - ----------------------------- J. A. Frates /s/A. F. Golden Director - ----------------------------- A. F. Golden /s/R. B. Horton Director - ----------------------------- R. B. Horton /s/G. A. Lodge Director - ----------------------------- G. A. Lodge /s/V. R. Loucks, Jr. Director - ----------------------------- V. R. Loucks, Jr. /s/R. B. Loynd Director - ----------------------------- R. B. Loynd /s/C. A. Peters Director - ----------------------------- C. A. Peters /s/R. L. Ridgway Director - ----------------------------- R. L. Ridgway /s/W. M. Van Cleve Director - ----------------------------- W. M. Van Cleve /s/E. E. Whitacre, Jr. Director - ----------------------------- E. E. Whitacre, Jr.