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604.1 Facilities Required
Every occupied building shall be provided with an electrical system in compliance with the requirements of this section and Section 605.
604.2 Service
The size and usage of appliances and equipment shall serve as a basis for determining the need for additional facilities in accordance with NFPA 70. Dwelling units shall be served by a three-wire, 120/240 volt, single-phase electrical service having a minimum rating of 60 amperes.
604.3 Electrical System Hazards
Where it is found that the electrical system in a structure constitutes a hazard to the occupants or the structure by reason of inadequate service, improper fusing, insufficient receptacle and lighting outlets, improper wiring or installation, deterioration or damage, or for similar reasons, the code official shall require the defects to be corrected to eliminate the hazard.
604.3.1 Abatement of Electrical Hazards Associated With Water Exposure
The provisions of this section shall govern the repair and replacement of electrical systems and equipment that have been exposed to water.
604.3.1.1 Electrical Equipment
Electrical distribution equipment, motor circuits, power equipment, transformers, wire, cable, flexible cords, wiring devices, ground fault circuit interrupters, surge protectors, molded case circuit breakers, low-voltage fuses, luminaires, ballasts, motors and electronic control, signaling and communication equipment that have been exposed to water shall be replaced in accordance with the provisions of the International Building Code.
Exception: The following equipment shall be allowed to be repaired where an inspection report from the equipment manufacturer or approved manufacturer's representative indicates that the equipment has not sustained damage that requires replacement:
  1. Enclosed switches, rated not more than 600 volts or less.
  2. Busway, rated not more than 600 volts.
  3. Panelboards, rated not more than 600 volts.
  4. Switchboards, rated not more than 600 volts.
  5. Fire pump controllers, rated not more than 600 volts.
  6. Manual and magnetic motor controllers.
  7. Motor control centers.
  8. Alternating current high-voltage circuit breakers.
  9. Low-voltage power circuit breakers.
  10. Protective relays, meters and current transformers.
  11. Low- and medium-voltage switchgear.
  12. Liquid-filled transformers.
  13. Cast-resin transformers.
  14. Wire or cable that is suitable for wet locations and whose ends have not been exposed to water.
  15. Wire or cable, not containing fillers, that is suitable for wet locations and whose ends have not been exposed to water.
  16. Luminaires that are listed as submersible.
  17. Motors.
  18. Electronic control, signaling and communication equipment.
604.3.2 Abatement of Electrical Hazards Associated With Fire Exposure
The provisions of this section shall govern the repair and replacement of electrical systems and equipment that have been exposed to fire.
604.3.2.1 Electrical Equipment
Electrical switches, receptacles and fixtures, including furnace, water heating, security system and power distribution circuits, that have been exposed to fire, shall be replaced in accordance with the provisions of the International Building Code.
Exception: Electrical switches, receptacles and fixtures that shall be allowed to be repaired where an inspection report from the equipment manufacturer or approved manufacturer's representative indicates that the equipment has not sustained damage that requires replacement.

Related Code Sections

Section 604 Mechanical and Electrical Requirements, Electrical Facilities
Every occupied building shall be provided with an electrical system in compliance with the requirements of this section and Section 605 ...
Section 604 Mechanical and Electrical Requirements, Electrical Facilities
Every occupied building shall be provided with an electrical system in compliance with the requirements of this section and Section 605 ...
604.3 Mechanical and Electrical Requirements, Electrical System Hazards
Where it is found that the electrical system in a structure constitutes a hazard to the occupants or the structure by reason of inadequate service ...