Exhausted Enclosure 1 : An appliance or piece of equipment that consists of a top, a back, and two sides providing a means of local exhaust for capturing gases, fumes, vapors, and mists
NFPA 1 Fire Code, National Fire Protection Association (NFPA), MA, USA 2009 ed. https://law.resource.org/pub/us/code/ibr/nfpa.1.20 03.pdf, (Code: Nat Fire Protection Association Fr&LfSf Requir - Amer) {171 NFC}