The UL “Blue Book”

Information about UL-listed burglary-resistant safes is available to any jeweler. Underwriters Laboratories' "Burglary Protection Equipment Directory"-nicknamed "The Blue Book"-is part of UL's series of product directories. UL-evaluated safes and their manufacturers are listed under the category of "Burglary-Resistant Safes." The book is available at a nominal cost from Underwriters Laboratories Publications Stock Dept., 333 Pfingsten Rd., Northbrook, IL 60062-2096; (847)-272-8800. For more information, see the UL Web site at

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