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April 10, 2007
Mr. James Pool
Turbochef Technologies Inc
Suite 105 4240 International Pky
Carrollton, TX 75007
United States
Our Reference: File E151487
Subject: INTEGRAL RECIRCIRCULATING SYSTEM
Dear Mr. Pool:
In reply to your e-mail message received today, I offer the following.
Products in the KNLZ category (as well as KNKG) are evaluated to UL710B. It used to be that UL197
and supplement SB in UL197 was the standard that they were evaluated to. Basically, UL197 and
Supplement SB became UL710B. There is no more Supplement SB in UL197 (9th Ed.).
Any information and documentation involving UL Mark services are provided on behalf of Underwriters
Laboratories Inc. (UL) or any authorized licensee of UL.
Very truly yours,
Fred Zaplatosch
Staff Engineer
3015CNBK
Tel: 847-664-2853
Fax: 847-313-2853
fred.zaplatosch@us.ul.com
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