Salt Lake-based EFI Electronics Corp. has signed a two-year, renewable private labeling agreement with one of the nation's leading electrical equipment manufacturers and marketers, Leviton Manufacturing Co. Inc., of Little Neck, N.Y.

A privately held company, Leviton will have the exclusive right to market an EFI-manufactured line of surge suppression products.Based on Leviton's estimates, EFI expects first year purchases of its products under the agreement will exceed $5 million, including an initial purchase order of approximately $800,000. Leviton currently manufactures and markets over 4,000 products to electrical distributors, who in turn service the construction, electrical maintenance and repair marketplaces.

EFI also announced estimated revenues for the fiscal year ended April 1 of $6.3 million, a 28 percent increase over fiscal 1987 revenues of $4.91 million.