309.2.1 Hazardous locations.
FC § 309.2.1
Powered industrial trucks that are operated in areas designated as hazardous (classified) locations in accordance with the Electrical Code shall be listed and labeled for use in such environments in accordance with NFPA 505. Entry by equipment that is not listed or approved as suitable for the specific classified location may be allowed for the purpose of maintenance or other necessary business operation where the owner has established an entry authorization procedure and has verified that the entry area is clear of hazardous environment and will remain so for the duration of the entry.
