NFPA 241
This is the standard for fire safety during construction, alteration, and demolition. It focuses on reducing fire risk on jobsites and in buildings under renovation or demolition. It covers things like fire prevention planning, temporary protection, hot work controls, housekeeping, storage of combustibles, temporary utilities, and site fire safety responsibilities. NFPA describes it as the standard for safeguarding construction, alteration, and demolition operations.
NFPA 101
This is the Life Safety Code. It is mainly about protecting people inside buildings by addressing means of egress, occupancy classifications, fire protection features, and life safety requirements based on how a building is used. NFPA describes it as a widely used source for strategies to protect people based on building construction, protection, and occupancy features.
Simple difference