Standard for Electrical Inspections for Existing Dwellings
What is NFPA 73?
This standard provides inspection and testing procedures and practices for evaluating the safety of installed electrical systems within and associated with existing one-family, and two-family, and multifamily dwellings, including mobile homes and manufactured homes.
Official document scope
What does NFPA 73 address?
NFPA 73 provides criteria for identification of hazardous conditions that are evident during a visual inspection of the electrical systems including safety hazards, fire hazards, shock hazards, overheating conditions, physical deterioration, and abuse. Coverage includes everything from the service to outlets: feeder, and branch circuits; overcurrent protective devices; cables; flexible cords; and boxes and enclosures to GFCIs, AFCIs, smoke alarms, receptacles, and appliances and utilization equipment.