Exhibit 23.0

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

No. 333-136381	Form S-8 Registration Statement for Cooper Industries plc Amended and Restated Directors Stock Plan
No. 333-120337	Form S-8 Registration Statement for Cooper Industries plc Amended and Restated Stock Incentive Plan
No. 333-101451	Form S-3D Registration Statement for Cooper Industries plc Dividend Reinvestment and Stock Purchase Plan
No. 333-51439	Form S-8 Registration Statement for Cooper Industries plc Amended and Restated Directors Retainer Fee and Stock Plan
No. 333-51441	Form S-8 Registration Statement for Cooper Industries plc Amended and Restated Management Annual Incentive Plan
No. 333-170456	Form S-3 Registration Statement for Cooper Industries plc Ordinary Shares, Preferred Shares and other Equity Securities and Cooper US, Inc. Debt Securities

of our reports dated February 22, 2011, with respect to the consolidated financial statements of Cooper Industries plc and the effectiveness of internal control over financial reporting of Cooper Industries plc, included in this Annual Report (Form 10-K) for the year ended December 31, 2010.

	/s/ Ernst & Young LLP
Houston, Texas February 22, 2011