UL 2096:3ED 2006-10-27

FOREWORD
PART I - ALL EQUIPMENT
INTRODUCTION
1. Scope
2. General
3. Glossary
CONSTRUCTION
4. General
5. Corrosion Protection
6. Protection of Users and Service Personnel
7. Enclosures
8. Field Wiring
9. Internal Wiring
10. Separation of Circuits
ELECTRICAL COMPONENTS
11. Bonding for Grounding
12. Mounting of Electrical Components
13. Motors and Motor Overload Protection
14. Overcurrent Protection of High-Voltage Control-
     Circuit Conductors
15. Overcurrent Protection of Transformers
16. Switches and Controllers
17. Capacitors
18. Electrical Insulating Materials
SPACINGS
19. High-Voltage Circuits
20. Low-Voltage Circuits
PERFORMANCE
21. General
22. Instrumentation
23. Test Voltage
24. Power Input Test
25. Temperature Test
26. Short-Circuit Test
27. Overload Test, High-Voltage Transformers
28. Burnout Test, High-Voltage Transformers
29. Dielectric Voltage-Withstand Test
MANUFACTURING AND PRODUCTION TESTS
30. General
31. Production Line Dielectric Voltage-Withstand Test
MARKING
32. General
33. Nameplate
34. Supplemental Marking
INSTRUCTIONS
35. General
PART II - BURNER ASSEMBLIES
CONSTRUCTION
36. General
37. Assembly
38. Accessibility for Servicing
39. Fan Housings and Air Tubes
40. Combustion Air Controls
41. Fuel Strainers
42. Fittings, and Piping and Tubing
43. Valves and Regulators
44. Stuffing Boxes
45. Bleeds and Vents
46. Gauges
47. Ignition Systems - General
48. Oil-Burning Devices
49. Gas-Burning Devices
50. Electric High-Tension Ignition
51. Gas Pilots
52. Control Applications
53. Primary Safety Controls
54. Purge and Combustion Air Monitoring Controls
55. Oil Atomization Control
56. Oil Temperature Control
57. Gas Pressure Controls
58. Interlocks
59. Combination Gas-Oil Burners
PERFORMANCE
60. Test Installation
61. Tests Firing Oil
62. Tests Firing Gas
PART III - BOILER ASSEMBLIES
CONSTRUCTION
63. Assembly
64. Accessibility for Servicing
65. Casing
66. Radiation Shields or Liners
67. Combustion Chamber
68. Baffles
69. Flue Collar
70. Flue Dampers, Draft Regulator, and Draft Hoods
71. Controls
72. Installation of External Controls and Fittings
PERFORMANCE
73. General
74. Test Installation for Standard Clearances
75. Initial Test Conditions
76. Combustion - Test No.1
77. Limit Control Cutout - Test No.2
78. Continuous Operation Temperatures - Test No.3
79. Low Water Cutoff - Test No.4
PART IV - FURNACES AND HEATERS
CONSTRUCTION
80. Assembly
81. Accessibility
82. Air Filters
83. Baffles
84. Burner Equipment
85. Controls
86. Bases
87. Heating Surfaces and Combustion Chambers
88. Radiation Shields
89. Materials in Air Handling Compartments
90. Casings
91. Fuel Lines and Components
92. Flue Collars
93. Flue Dampers, Draft Regulators, and Draft Hoods
PERFORMANCE
94. General
95. Test Installations
96. Initial Test Conditions
97. Combustion Test - Test No.1
98. Limit Control Cutout - Test No.2
99. Continuity of Operation - Test No.3
100. Airflow Test - Downflow and Horizontal Furnaces -
     Test No.4
101. Temperature Tests - General
102. Continuous Operation - Test No.5
103. Blocked Inlet - Test No.6
104. Fan Failure - Test No.7
105. Blocked Outlet - Test No.8
106. Stalled Fan Motor Test
PART IVA - DRAFT HOOD EQUIPPED DEVICES
PERFORMANCE
107. Blocked Outlet - Test No.1
108. Downdrafts and Updrafts - Test No.2
109. Spillage - Test No.3
110. Draft Hood Strength - Test No.4
PART V - OUTDOOR-USE EQUIPMENT
CONSTRUCTION
111. General
112. Enclosures
113. Field Wiring Connections
114. Wiring
115. Electrical Insulation Material
116. Water Spray Test - Test No.1
117. Wind Tests - Test No.2
118. Accelerated Aging Test - Gaskets, Adhesives, and
     Sealing Compounds - Test No.3
119. Metallic Coating Thickness Test - Chromic Acid
     Dropping Test - Test No.4
120. Marking
APPENDIX A
Standards for Components

This revision to UL 2096 is being issued to remove the reference to the withdrawal date of UL 873 and to address universal upkeep of UL Standards for Safety.

These requirements cover fuel burning heating appliances that are provided with or are intended for installation with NOx emissions reduction equipment.