any part of which is within the Division 1 or Division 2, Zone 1 or Zone 2 classified
location Up to 450 mm (18 in.) above grade level within a horizontal
radius of 3.0 m (10 ft) from a loose fill connection and within a horizontal radius of 1.5 m (5 ft) from a tight fill
connection Within 900 mm (3 ft) of open end of vent, extending in all
directions Space between 900 mm (3 ft) and 1.5 m (5 ft) of open end of
vent, extending in all directions
Dispensing Device 2,5 (except overhead type) 3
Pits
Dispenser
Outdoor
Indoor with mechanical ventilation with gravity ventilation
Any pit or box below grade level, any part of which is within the
Division 1 or Division 2, Zone 1 or Zone 2 classified location
FPN: Space classification inside the dispenser enclosure is covered in ANSI/UL 87-1995, Power Operated Dispensing Devices for Petroleum Products.
Within 450 mm (18 in.) horizontally in all directions extending to grade from the dispenser enclosure or that portion of the dispenser enclosure containing liquid-handling components FPN: Space classification inside the dispenser enclosure is covered in ANSI/UL 87-1995, Power Operated Dispensing Devices for Petroleum Products.
Up to 450 mm (18 in.) above grade level within 6.0 m (20 ft)
horizontally of any edge of enclosure.
Up to 450 mm (18 in.) above grade or floor level within 6.0 m
(20 ft) horizontally of any edge of enclosure
Up to 450 mm (18 in.) above grade or floor level within 7.5 m
(25 ft) horizontally of any edge of enclosure
Dispensing Device 5
Overhead type 3
The space within the dispenser enclosure, and all electrical
equipment integral with the dispensing hose or nozzle A
space extending 450 mm (18 in.) horizontally in all directions
beyond the enclosure and extending to grade Up to 450 mm
(18 in.) above grade level within 6.0 m (20 ft)
horizontally measured from a point vertically below the edge of any dispenser enclosure
Remote Pump — Outdoor Any pit or box below grade level if any part is within a horizontal distance of 3.0 m (10 ft) from any edge of pump
Within 900 mm (3 ft) of any edge of pump, extending in all directions. Also up to 450 mm (18 in.) above grade level within 3.0 m (10 ft) horizontally from any edge of pump
Remote Pump — Indoor Entire space within any pit
Within 1.5 m (5 ft) of any edge of pump, extending in all directions. Also up to 900 mm (3 ft) above grade level within
7.5 m (25 ft) horizontally from any edge of pump
(Continues)
Table 514.3(B)(1) Continued
Location
Lubrication or Service Room — Without
Dispensing
Class I, Group D Division
2 2
2 2
Unclassified
Extent of Classified Location 1
Entire area within any pit used for lubrication or similar services where Class I liquids may be released
Area up to 450 mm (18 in.) above any such pit and extending a distance of 900 mm (3 ft) horizontally from any edge of the pit
Entire unventilated