A lithium battery cabinet is typically constructed from double-walled, cold-rolled steel with a fire-resistant insulation core made of materials like calcium sulphate and high-density fibre panels. Each battery must meet the requirements of this subpart. [CGD 94-108, 61 FR 28277, June 4, 1996] § 111. (a) A battery cell, when inclined at 40 degrees from the vertical, must not spill electrolyte. NFPA 70E ®, Standard for Electrical Safety in the Workplace®, Chapter 3 covers special electrical equipment in the workplace and modifies the general requirements of Chapter 1. The chapter covers the additional safety-related. Batteries of the unsealed type shall be located in enclosures with outside vents or in well ventilated rooms and shall be arranged so as to prevent the escape of fumes, gases, or electrolyte spray into other areas. On the other hand, outdoor enclosures for batteries should have a NEMA 3R rating. It is important to note that the NEMA and IP rating varies depending on where you will install the enclosure. Indoor Battery Box Enclosure 2. Mounting. These approaches take the form of publicly available research, adoption of the most current lithium-ion battery protection measures into model building, installation and fire codes and rigorous product safety standards that are designed to reduce failure rates.