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The 2011 NFPA 86: Standard for Ovens and Furnaces provides the latest comprehensive requirements for the safe design; installation; operation; and inspection, testing, and maintenance of Class A, B, C, and D ovens, dryers, and furnaces. Individual chapters contain rules for each equipment class. Provisions are also provided for location and construction; furnace heating systems; safety equipment and application; thermal oxidizers; and fire protection.