generator system.
FPN: See NFPA 99-2005, Standard for Health Care
Facilities.
(B) Electrical Life Support Equipment Where electrical life support equipment is required, the essential electrical distribution system shall be as described in 517.30 through 517.35. [99:14.3.4.2.1]
(C) Critical Care Areas. Where critical care areas are present, the essential electrical distribution system shall be as described in 517.30 through 517.35. [99:14.3.4.2.2]
(D) Power Systems. Battery systems shall be installed in accordance with the requirements of Article 700, and generator systems shall be as described in 517.30 through 517.35.
IV. Inhalation Anesthetizing Locations
FPN: For further information regarding safeguards for anesthetizing locations, see NFPA 99-2005, Standard for Health Care Facilities.
517.60 Anesthetizing Location Classification.
FPN: If either of the anesthetizing locations in
517.60(A) or 517.60(B) is designated a wet
procedure location, refer to 517.20.
(A) Hazardous (Classified) Location.
(1) Use Location. In a location where flammable anesthetics are employed, the entire area shall be considered to be a Class I, Division 1 location that extends upward to a level 1.52 m (5 ft) above the floor. The remaining volume up to the structural ceiling is considered to be above a hazardous (classified) location. [99: Annex E, E.l, and E.2]
(2) Storage Location. Any room or location in which flammable anesthetics or volatile flammable disinfecting agents are stored shall be considered to be a Class I, Division 1 location from floor to ceiling.
(B) Other-Than-Hazardous (Classified) Location. Any inhalation anesthetizing location designated for the
exclusive use of nonflammable anesthetizing agents
shall be considered to be an other-than-hazardous
(classified) location.
517.61 Wiring and Equipment.
(A) Within Hazardous (Classified) Anesthetizing
Locations.
(1) Isolation. Except as permitted in 517.160, each power circuit within, or partially within, a flammable anesthetizing location as referred to in 517.60 shall be isolated from any distribution system by the use of an isolated power system. [99:Annex E, E.6.6.2]
(2) Design and Installation. Where an isolated power
system is utilized, the isolated power equipment shall be listed as isolated power equipment, and the isolated power system shall be designed and installed in accordance with 517.160.
(3) Equipment Operating at More Than 10 Volts. In hazardous (classified) locations referred to in 517.60, all fixed wiring and equipment and all portable equipment, including lamps and other utilization equipment, operating at more than 10 volts between conductors shall comply with the requirements of
501.1 through 501.25, and 501.100 through 501.150, and 501.30(A) and 501.30(B) for Class I, Division 1 locations. All such equipment shall be specifically approved for the hazardous atmospheres involved. [99:Annex E, E.2.1, E.4.5, E.4.6, and E.4.7]
(4) Extent of Location. Where a box, fitting, or enclosure is partially, but not entirely, within a hazardous (classified) location(s), the hazardous (classified) location(s) shall be considered to be extended to include the entire box, fitting, or enclosure.
(5) Receptacles and Attachment Plugs. Receptacles and attachment plugs in a hazardous (classified) location(s) shall be listed for use in Class I, Group C hazardous (classified) locations and shall have provision for the connection of a grounding conductor.
(6) Flexible Cord Type. Flexible cords used in hazardous (classified) locations