GASOLINE DISPENSING

AND SERVICE STATIONS 514-1. Definition. A gasoline dispensing and service station is a location where gasoline or other volatile flammable liquids or liquefied flammable gases are transferred to the fuel. tanks (including auxiliary fuel tanks) of self-propelled vehicles or approved containers. Other areas used as lubritoriums, service rooms, repair rooms, offices, salesrooms, compressor rooms, and similar locations shall comply with Articles 510 and 511 with respect to electric wiring and equipment. Where the authority having jurisdiction can satisfactorily determine that flammable liquids having a flash point below 38°C (100°F), such as gasoline, will not be handled, such location shall not be required to be classified. (FPN No. 1): For further information regarding safeguards for gasoline dispensing and service stations, see Automotive and Marine Service Station Code, NFPA 30A-1990. (FPN No. 2): For information on classified areas pertaining to LP-Gas Systems other than residential or commercial, see Storage and Handling of Liquefied Petroleum Gases, NFPA 58-1992 and Storage and Handling of Liquefied Petroleum Gases at Utility Gas Plants, NFPA 59-1992. (FPN No. 3): See Section 555-9 for gasoline dispensing stations in marinas and boatyards. 514-2.* Class I Locations. Table 514-2 shall be applied where Class I liquids are stored, handled, or dispensed and shall be used to delineate and classify service stations. A Class I location shall not extend beyond an unpierced wall, roof, or other solid partition. 514-3. Wiring and Equipment Within Class I Locations. All electric equipment and wiring within Class I locations defined in Section 514-2 shall comply with the applicable provisions of Article 501. 70-510 NATIONAL ELECTRICAL CODE Exception: As permitted in Section 514-8. (FPN): For special requirements for conductor insulation, see Section 501-13. 514-4. Wiring and Equipment Above Class I Locations. Wiring and equipment above the Class I locations defined in Section 514-2 shall comply with Sections 511-6 and 511-7. 514-5. Circuit Disconnects. (a) General. Each circuit leading to or through dispensing equipment, including equipment for remote pumping systems, shall be provided with a switch or other acceptable means to disconnect simultaneously from the source of supply all conductors of the circuit, including the grounded conductor, if any. Single-pole breakers utilizing handle ties shall not be permitted. (b) Attended Self-Service Stations.* Emergency controls as specified in (a) above shall be installed at a location acceptable to the authority having jurisdiction, but controls shall not be more than 100 feet (30 m) from dispensers. (c) Unattended Self-Service Stations.* Emergency controls as specified in (a) above shall be installed at a location acceptable to the authority having jurisdiction, but the controls shall be more than 20 feet (7 m) but less than 100 feet (30 m) from the dispensers. Additional emergency controls shall be installed on each group of dispensers or the outdoor equipment used to control the dispensers. Emergency controls shall shut off all power to all dispensing equipment at the station. Controls shall be manually reset only in a manner approved by the authority having jurisdiction. (FPN): For additional information, see Sections 9-4.5 and 9-5.3 of Automotive and Marine Service Station Code, NFPA 30A-1990. 514-6. Sealing. (a) At Dispenser. An approved seal shall be provided in each conduit run entering or leaving a dispenser or any cavities or enclosures in direct communication therewith. The sealing fitting shall be the first fitting after the conduit emerges from the earth or concrete. (b) At Boundary. Additional seals shall be provided in accordance with