UL 1803:4ED 2012-02-15

FOREWORD
INTRODUCTION
1. Scope
2. Reference Standards
3. Glossary
4. Agreements
5. Certification Mark
6. Requirements for Certification Body
THIRD PARTY CERTIFICATION BODY INSPECTION PROGRAM
7. General
MINIMUM MANUFACTURER'S CONTROL PROGRAM
8. General
9. Cartridge Proof-Pressure Test
10. Cartridge Burst Test
11. Rupture Disc Assembly Test
12. Nitrogen Cylinder Leakage Test
13. Shell Proof-Pressure Test
14. Hydrostatic Pressure Test
15. Thread Test
16. Pressure Regulator Test
17. Discharge Hose and Nitrogen Hose Assembly Test
18. Locking Devices and Seals
19. Discharge Duration, Minimum Dry Chemical Discharged,
     and Weight of Charge Determinations (Hand
     Extinguishers)
20. Discharge Duration, Minimum Halon Discharged, and
     Weight of Charge Determinations (Hand Extinguishers)
21. Discharge Duration and Weight of Carbon Dioxide
     Determinations (Hand Extinguishers)
22. Discharge Duration, Minimum Extinguishing Agent
     Discharged, and Range of Discharge
23. Discharge Tests (Wheeled Extinguishers)
24. Cartridge Assembly Leakage Test
25. Extinguisher Leakage Test
26. Pressure Indicator Test
27. Dry Chemical Extinguishing Agent Tests
28. Horn Impact Test
29. Test Records
30. Calibration of Testing and Measuring Equipment
INSPECTOR'S COUNTERCHECK PROGRAM AT FACTORY
31. Verification of Material
32. Examination of Parts and Subassemblies
33. Visual Inspection of Completed Extinguishers
34. Countercheck Tests Each Inspection
35. Periodic Countercheck Tests
36. Review of Records
TESTS TO BE CONDUCTED AT TEST LABORATORY
37. Frequency of Test
38. Salt Spray Test
39. Qualitative Infrared Analysis
40. Dye Penetrant Test
41. Extinguishing Agent Tests
42. Extinguisher Tests (Hand Extinguishers)
43. Freezing Point Determination of Antifreeze Charge
44. Foam Quality
45. Foam Identification Test
46. Carbon Analysis of Stainless Steel Shells
INSPECTION FREQUENCY
47. General
48. Normal Inspection Schedule for Fire Extinguishers

This revision of ANSI/UL 1803 is issued to reaffirm approval as an American National Standard.

This standard covers the basic elements of a Third Party Certification and Inspection Program for various types of portable fire extinguishers, hand and wheeled, including the following: carbon dioxide, dry chemical, water based, clean agent, and stored pressure water.