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(a) This Section shall apply to areas where Class I liquids are stored, handled or dispensed. For areas where Class II or Class III 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 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)
HISTORY
1. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).
Table FL-9
Electrical Equipment Classified Areas--Service Stations
------------------------------------------------------------------------
Class I,
Group D Extent of
Location Division Classified Area
------------------------------------------------------------------------
UNDERGROUND TANK
Fill Opening 1 Any pit, box or space below grade level, any
part of which is within the Division 1 or 2
classified area.
2 Up to 18 inches above grade level within a
horizontal radius of 10 feet from a loose fill
connection and within a horizontal radius of
5 feet from a tight fill connection.
Vent Discharging 1 Within 3 feet of open end of vent,
Upward
extending in all directions
2 Area between 3 feet and 5 feet of open end
of vent, extending in all directions.
DISPENSING UNITS
(except overhead-type)
Pits 1 Any pit, box or space below grade level, any
part of which is within the Division 1 or 2
classified area.
Dispenser 1 The area up to 4 feet vertically above the
base within the enclosure, or up to a solid
partition less than 4 feet above the base, lo-
cated above the nozzle insertion level and
above the level of any gasketed joint, hose or
stuffing box.
2 Within 18 inches horizontally in all direc-
tions from the Division 1 area within the
enclosure.
Outdoor 2 Up to 18 inches above grade level within 20
feet horizontally of any edge of enclosure. INDOOR
with Mechanical 2 Up to 18 inches above grade or Ventilation
floor level within 20 feet horizontally of any
edge of enclosure.
with Gravity Ventilation 2 Up to 18 inches above grade or floor level
within 25 feet horizontally of any edge of
enclosure.
DISPENSING UNITS,
OVERHEAD TYPE 1 Within the dispenser enclosure and 18 in
ches in all directions from the enclosure
where not suitably cut off by ceiling or wall.
All electrical equipment integral with the
dispensing hose or nozzle.
2 An area extending 2 feet horizontally in all
directionsbeyond the Division 1 area and
extending to grade below this classified area.
2 Up to 18 inches above grade level within 20
feet horizontally measured from a point ver
tically below the edge of any dispenser
enclosure.
REMOTE PUMP--
OUTDOOR 1 Any pit, box or space below grade level if
any part is within a horizontal distance of 10
feet from any edge of pump.
2 Within 3 feet of any edge of pump, extending
in all directions. Also up to 18 inches above
grade level within 10 feet horizontally from
any edge of pump.
REMOTE PUMP--
IN DOOR 1 Entire area within any pit.
2 Within 5 feet of any edge of pump, extending
in all directions. Also up to 3 feet above floor
or grade level within 25 feet horizontally
from any edge of pump.
LUBRICATION OR SERV-
ICE ROOM
WITH DISPENSING 1 Any pit within any unventilated area.
2 Any pit with ventilation.
2 Area up to 18 inches above floor or grade
level and 3 feet horizontally from a lubrica-
tion pit.
DISPENSER FOR CLASS
I LIQUIDS 2 Within 3 feet of any fill or dispensing point,
extending in all directions.
LUBRICATION OR SERV-
ICE ROOM--WITHOUT
DISPENSING 2 Entire area within any pit used for lubrica-
tion or similar services where Class I liquids
may be released.
2 Area up to 18 inches above any such pit, and
extending a distance of 3 feet horizontally
from any edge of the pit.
SPECIAL ENCLOSURE INS-
IDE BUILDING PER SEC-
TION 5567 1 Entire enclosure.
SALES, STORAGE AND
REST ROOMS non If there is any opening to these class-rooms
clas- within the extent of a Division 1 area, the en--
sified tire room shall be classified as Division 1.
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