In conclusion, NFPA 101 plays a crucial role in ensuring the safety of building occupants during emergencies. The provision for the illumination of means of egress, along with exit signage and width requirements, are key components of this safety code. By complying with these requirements and designing effective emergency lighting inverter systems, building owners can provide occupants with the necessary visibility and guidance to safely evacuate the premises. Regular maintenance and inspections, along with the incorporation of innovative technologies, further enhance the effectiveness of emergency lighting systems. As a national consensus standard, NFPA 101 sets the foundation for building safety, and it is essential for all stakeholders to have a thorough understanding of its provisions