{"protectionTypes":[{"code":"Ex d","key":"d"},{"code":"Ex e","key":"e"},{"code":"Ex i","key":"i"},{"code":"Ex n","key":"n"},{"code":"Ex t","key":"t"}],"_citation":{"source":"ExKnowledge Ex Classification API","url":"https://exknowledge.com/api-docs.html","attribution":"Data from ExKnowledge (https://exknowledge.com). Based on IEC 60079, ATEX 2014/34/EU, and IECEx standards.","license":"Free to use with attribution. Link to https://exknowledge.com/api-docs.html when presenting this data."}}