Exhibit 23(j)(i)





CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the use in this Post-Effective Amendment No. 6 to Registration
Statement No.
333-102588 of Oppenheimer Principal Protected Main Street Fund, a series of
Oppenheimer Principal Protected Trust, on Form N-1A of our report dated
October 17, 2005, appearing in the Statement of Additional Information, which
is part of such Registration Statement, and to the reference to us under the
headings "Independent Registered Public Accounting Firm" in the Statement of
Additional Information and "Financial Highlights" in the Prospectus, which is
also part of such Registration Statement.

We also consent to the incorporation by reference in this Post-Effective
Amendment No. 6 to Registration Statement No. 333-102588 of Oppenheimer
Principal Protected Trust on Form N-1A of our report on the Oppenheimer Main
Street Fund dated October 17, 2005 appearing in the Oppenheimer Main Street
Fund's Annual Report to Shareholders for the year ended August 31, 2005, in
the Statement of Additional Information which is part of such Registration
Statement.



Deloitte & Touche LLP


Denver, Colorado
December 22, 2005