California Code of Regulations (Last Updated: August 6, 2014) |
Title 8. Industrial Relations |
Division 1. Department of Industrial Relations |
Chapter 4. Division of Industrial Safety |
Subchapter 7. General Industry Safety Orders |
Group 20. Flammable Liquids, Gases and Vapors |
Article 144. Service Stations |
§ 5574. Electrical Equipment.
Latest version.
- (a) This Section shall apply to areas where Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100oF (37.8oC), are stored, handled or dispensed. For areas where Category 3 flammable liquids with a flashpoint at or above 100oF (37.8oC) or Category 4 flammable liquids or liquids with a flashpoint greater than 199.4oF (93oC) (formerly designated Class IIIB Combustible liquids), are stored, handled or dispensed, the electrical equipment may be installed in accordance with the provisions of the California Electrical Safety Orders for nonclassified (ordinary) locations.(b) All electrical equipment and wiring shall be of a type specified by and shall be installed in accordance with the California Electrical Safety Orders. All electrical equipment integral with the dispensing hose or nozzle shall be suitable for use in Division 1 locations.(c) Table FL-9 shall be used to delineate and classify areas for the purpose of installation of electrical equipment under normal circumstances. A classified area shall not extend beyond an unpierced wall, roof or other solid partition.(d) The area classifications listed in (c) shall be based on the premise that the installation meets the applicable requirements of these orders in all respects. (Title 24, T8-5574)Table FL-9Electrical Equipment Classified Areas - Service StationsClass I,Group DExtent ofLocationDivisionClassified AreaUNDERGROUND TANKFill Opening1Any pit, box or space below grade level, anypart of which is within the Division 1 or 2classified area.2Up to 18 inches above grade level within ahorizontal radius of 10 feet from a loose fillconnection and within a horizontal radius of5 feet from a tight fill connection.Vent Discharging1Within 3 feet of open end of vent,Upwardextending in all directions2Area between 3 feet and 5 feet of open endof vent, extending in all directions.DISPENSER:Pits1Any pit, box or space below grade level, anypart of which is within the Division 1 or 2classified area.Dispenser enclosure1The area up to 4 feet vertically above thebase within the enclosure, and 18 incheshorizontally in all directions.Outdoor2Up to 18 inches above grade level within 20feet horizontally of any edge of enclosure.INDOORwith Mechanical2Up to 18 inches above grade or floor levelVentilationwithin 20 feet horizontally of anyedge of enclosure.with Gravity Ventilation2Up to 18 inches above grade or floor levelwithin 25 feet horizontally of any edge ofenclosure.DISPENSING UNITS,OVERHEAD TYPE1Within the dispenser enclosure and 18 inches in all directions from the enclosurewhere not suitably cut off by ceiling or wall.All electrical equipment integral with thedispensing hose or nozzle.2An area extending 2 feet horizontally in alldirections beyond the Division 1 area andextending to grade below this classified area.2Up to 18 inches above grade level within 20feet horizontally measured from a point vertically below the edge of any dispenserenclosure.REMOTE PUMP -OUTDOOR1Any pit, box or space below grade level ifany part is within a horizontal distance of 10feet from any edge of pump.2Within 3 feet of any edge of pump, extendingin all directions. Also up to 18 inches abovegrade level within 10 feet horizontally fromany edge of pump.REMOTE PUMP -INDOOR1Entire area within any pit.2Within 5 feet of any edge of pump, extendingin all directions Also up to 3 feet above flooror grade level within 25 feet horizontallyfrom any edge of pump.LUBRICATION ORSERVICE ROOM1Entire area within any pit.2Area up to 18 inches above floor or gradelevel within entire lubrication room.DISPENSER FOR Liquids2Within 3 feet of any fill or dispensingwith a flashpoint belowpoint, extending in all directions.100oF(37.8oC) (1)SPECIAL ENCLOSURE INS-IDE BUILDING PER SEC-TION 55671Entire enclosure.SALES, STORAGE ANDREST ROOMS(2)If there is any opening to these class-roomswithin the extent of a Division 1 area, the en-tire room shall be classified as Division 1.FOOTNOTE (1) Category 1 or 2 flammable liquids, or for Category 3 flammable liquids with a flashpoint below 100oF (37.8oC).FOOTNOTE (2) OrdinaryHISTORY1. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).2. Amendment of subsection (a) and Table FL-9 (including new footnotes) and new Note filed 5-5-2014; operative 5-6-2014 pursuant to Government Code section 11343.4(b)(3) (Register 2014, No. 19).
Note
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.