POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Robert M. Devlin   Robert M. Devlin     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Ivor J. Evans   Ivor J. Evans     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Linda A. Hill   Linda A. Hill     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Lawrence D. Kingsley   Lawrence D. Kingsley     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ James J. Postl   James J. Postl     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Dan F. Smith   Dan F. Smith     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Gerald B. Smith   Gerald B. Smith     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ Mark S. Thompson   Mark S. Thompson     
 

 
     POWER OF ATTORNEYCOOPER INDUSTRIES, LTD.     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director or officer of Cooper Industries,Ltd. (“Cooper”), a Bermuda corporation, does hereby make, constitute and appoint Bruce M. Taten andTerrance V. Helz, and each of them acting individually, his true and lawful attorney with power toact without the other and with full power of substitution, to execute, deliver and file, for and onbehalf of the undersigned, and in his name and in his capacity or capacities as aforesaid, theCooper Annual Report on Form 10-K with the Securities and Exchange Commission under the SecuritiesExchange Act of 1934, as amended, and any other documents in support thereof or supplementalthereto, with respect to the fiscal year ended December 31, 2008, and any and all amendmentsthereto. The undersigned hereby grants to said attorneys and each of them full power and authorityto do and perform each and every act and thing whatsoever as said attorney or attorneys may deemnecessary or advisable to carry out fully the intent of the foregoing as the undersigned might orcould do personally or in the capacity or capacities as aforesaid, hereby ratifying and confirmingall acts and things which said attorney or attorneys may do or cause to be done by virtue of thesepresents.     IN WITNESS WHEREOF, the undersigned has hereunto set his hand this 9th day ofFebruary 2009.              /s/ James R. Wilson   James R. Wilson