UL 507
Standard for Electric Fans

DETAILS
Edition Number:9SCC Approved:--
Edition Date:1999-12-13DOD Approved: 1993-02-05
Price Code:CANSI Approved: 2017-01-25
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover:

    a)    Fans and blowers that circulate air, such as desk, ceiling-suspended, and hassock fans;

    b)    Fans and blowers that ventilate air, such as attic, whole-house window, through wall, and direct discharge fans;

    c)    Ducted fans and blowers that exhaust air to the outside of a building structure, such as in-line, wall insert and ceiling insert fans;

    d)    Dryer type fans used for drying carpets or floors;

    e)    Commercial display blowers;

    f)    Evaporative coolers;

    g)    Evaporative cooler replacement pumps;

    h)    Air-filtering appliances;

    i)    Component fans;

    j)    Low voltage component fans;

    k)    Residential cooking area fans, such as rangehoods and downdrafts;

    l)    Hand dryers without heater; and

    m)    Recirculating and blending units except as noted in 1.8(h).

    These products are rated 600 volts or less and are intended to be employed in accordance with the National Electrical Code, ANSI/NFPA 70.


    1.1 revised effective June 1, 2013

    1.2 Deleted effective May 12, 2007

    1.3 Deleted effective May 12, 2007

    1.4 Deleted effective May 12, 2007

    1.5 Deleted effective May 12, 2007

    1.6 Deleted effective May 12, 2007

    1.7 Deleted effective May 12, 2007

    1.8 These requirements do not cover:

    a)    Air heaters incorporating fans, heating-ventilating units, or blowers comprising components of such equipment as furnaces, mechanical-refrigeration equipment, or air conditioners;

    b)    Fusible links, and the like, provided to disconnect a fan or close shutters in the event of fire;

    c)    Fans for use in cooking areas when the fan is intended for other than household use;

    d)    Fans intended to be used in hazardous locations as defined in the National Electrical Code, ANSI/NFPA 70;

    e)    Fans intended to be installed over solvents or chemically flammable liquids or vapors;

    f)    Fans located in chemically corrosive environments;

    g)    Humidifiers;

    h)    Fans intended to move heated or conditioned air;

    i)    Heated hand dryers;

    j)    Ionizers, products with ionization features, or electrostatic air cleaners;

    k)    Household or commercial blowers or inflators intended for use with inflatable bouncing toys or similar children's products.

    l)    Microwaves, ventilating or otherwise;

    m)    Ducted or non-ducted heat recovery ventilators;

    n)    Deodorizers and air fresheners.


    1.8 revised effective June 1, 2013

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
    • UL Foreword
      • Body
        • PART 1 – ALL FANS
          • INTRODUCTION
          • 1 Scope
          • 2 Glossary
            • 2.1 General
            • 2.2 Product terms
            • 2.3 Additional terms
          • 3 Components
          • 4 Units of Measurement
          • 4A Undated References
          • 5 Application of Requirements
          • CONSTRUCTION
          • 5A Components
            • 5A.1 General
            • 5A.2 Attachment plugs, receptacles, connectors, and terminals
            • 5A.3 Boxes and raceways
            • 5A.4 Cords, cables, and internal wiring
            • 5A.5 Cord reels
            • 5A.6 Light sources and associated components
            • 5A.7 Overcurrent protection
            • 5A.8 Power supplies
            • 5A.9 Supplemental insulation, insulating bushings, and assembly aids
            • 5A.10 Transformers
          • 6 Frame and Enclosures
            • 6.1 General
            • 6.2 Wood enclosure parts
            • 6.3 Non-metallic enclosures
            • 6.4 Non-metallic parts other than enclosures
          • 7 Flame Spread and Smoke Developed Requirements for Non-Metallic Enclosures and Other Parts of Permanently Connected Equipment
          • 8 Accessibility of Moving Parts
            • 8.1 General
            • 8.2 Portable fans and window fans
            • 8.3 Stationary fans and permanently connected fans
          • 9 Accessibility of Live Parts
            • 9.1 General
            • 9.2 Directly- and indirectly-accessible motor
            • 9.3 Application of probes
            • 9.4 Removal of parts
            • 9.5 Disconnection Means
          • 10 Mechanical Assembly
          • 11 Mounting Means
            • 11.1 General
            • 11.2 Cord-connected wall-mounted appliances
          • 12 Protection Against Corrosion
          • 13 Power Supply Connections – Permanently-Connected Appliances
            • 13.1 General
            • 13.2 Knockouts and openings
            • 13.3 Field-wiring compartments
            • 13.4 Wiring terminals and leads
            • 13.5 Identification
          • 14 Power Supply Connections – Cord-Connected Appliances
            • 14.1 Cords and plugs
            • 14.2 Strain relief
            • 14.3 Bushings
          • 14A Supply Cord Overcurrent Protection
          • 14B Special Protection Devices
          • 15 Live Parts
          • 16 Internal Wiring – Electrical Connections
          • 17 Insulating Material
          • 18 Receptacles
          • 19 Motors
          • 20 Motor Protection
          • 21 Protective Devices
          • 21A Fuseholders and Fused Attachment Plugs
          • 21B Motor Overload Protection
          • 22 Switches, Including Motor Controllers
          • 22A Interlocks
          • 23 Capacitors
          • 24 Spacings
          • 25 Secondary Circuits
            • 25.1 General
            • 25.2 Difference between the level of evaluation required within each type of secondary circuit
            • 25.3 Class 2 circuit requirements
            • 25.4 Limited voltage/current circuit requirements
            • 25.5 Limited energy circuit requirements
            • 25.6 Limiting impedance circuit requirements
          • 26 Printed-Wiring Boards
          • 26A General Purpose Transformer - Insulation Systems
          • 27 Electronic Circuits
          • 28 Grounding
            • 28.1 General
            • 28.2 Permanently connected appliances
            • 28.3 Cord-connected appliances
            • 28.4 Grounding for low-voltage power-limited circuits
            • 28.5 Fans employing convenience receptacles
          • 29 Filters
          • 30 Accessories
          • PERFORMANCE – ALL APPLIANCES
          • 31 Test Voltages
          • 32 Leakage Current Test
          • 33 Continuity of Grounding Circuit Test
          • 33A Limited Short-Circuit Test
          • 34 Starting Current Test
          • 35 Input Test
          • 36 Temperature Test
            • 36.1 All fans
            • 36.2 Fans for use over an eye-level range oven
            • 36.3 Controllers
          • 37 Dielectric Voltage Withstand Test
          • 38 Water Spray Test
            • 38.1 General
            • 38.2 Test preparation
            • 38.3 Procedure
            • 38.4 120 volt cord-connected appliances
            • 38.5 Other than 120 volt cord connected appliances
            • 38.6 All appliances
          • 39 Hosedown Test
          • 40 Locked Rotor Test
          • 40A Locked Rotor Cycling
          • 40B Flagging
          • 41 Humidity Conditioning Test
          • 42 Strain Relief Test
          • 42A Interconnecting Cords and Leads
          • 43 Unguarded Impeller Tests
          • 44 Push Back Relief Test
          • 44A Oscillating Fan Test
          • 45 Tests of Switches and Controls
            • 45.1 Overload
            • 45.2 Reversing
          • 46 Static Load Test For Mounting Means
          • 47 Impact Test on Guards
          • 48 Static Force Test on Guards
          • 49 Impeller Test for Portable Fans
          • 50 Impeller Ignition Test
          • 51 Component Breakdown Test
          • 51A Fuseholder Cover Test
          • 51B Supply Cord Abrasion
          • 51C Supply Cord Pinching – Mandrel
          • 51D Supply Cord Crushing – Mandrel
          • 51E Supply Cord Flexing
          • 51F General Purpose Transformers
            • 51F.1 General
            • 51F.2 Voltage measurement test
            • 51F.3 Overload test
            • 51F.4 Repeated dielectric voltage-withstand test
          • 51G Thermal Aging
          • 51H Permanence of Marking Tests
          • PERFORMANCE – PORTABLE APPLIANCES
          • 52 Drop Test
          • 53 Security of Handle Test
          • 54 Stability Test
          • 55 Hassock Fan Load Test
          • PERFORMANCE – PERMANENTLY CONNECTED APPLIANCES
          • 56 Installation Test
          • 57 Tests for Fans for Unattended Areas
          • MANUFACTURING AND PRODUCTION TESTS
          • 58 Dielectric Voltage Withstand Test
          • 59 Grounding Continuity Test
          • 60 Polarization Test
          • RATING
          • 61 Details
          • MARKING
          • 62 General Markings
            • 62.1 General
            • 62.2 Motors
            • 62.3 Controllers
            • 62.4 Shipping
            • 62.5 Wall- or ceiling-insert fans
            • 62.6 Attic-mounted and roof-mounted fans
            • 62.7 Wiring
            • 62.8 Cord tag markings
          • 63 Cautionary Markings
          • INSTRUCTIONS
          • 64 Important Safety Instructions
            • 64.1 General
            • 64.2 Details
          • 64A Installation Instructions
          • 64B User Servicing Instructions
        • PART 2 – SPECIFIC FAN TYPES
          • FANS FOR USE WITH SOLID STATE SPEED CONTROLS
          • 65 General
          • 66 Construction
          • 67 Performance
            • 67.1 Temperature test
            • 67.2 Abnormal operation test
          • 68 Marking
          • CEILING-SUSPENDED FANS
          • 69 General
          • 70 Construction
            • 70.1 Mounting means
            • 70.2 Fan blades
            • 70.3 Power supply connections
            • 70.4 Wiring
            • 70.5 Openings in canopy
          • 71 Performance
            • 71.1 Static load test
            • 71.2 Fans with polymeric mounting means
            • 71.2A Polymeric blades
            • 71.3 Fan blade brackets
          • 72 Marking
          • 73 Installation Instructions
          • DAMP LOCATION CEILING-SUSPENDED FANS
          • 74 General
          • 75 Construction – Protection Against Corrosion
          • 76 Construction – Electrical
          • 76A Construction – Exposure to Sunlight (Ultraviolet Radiation)
          • 76B Fan Blades
          • 77 Performance
            • 77.1 Polymeric blades
            • 77.2 Polymeric ball-joint hanger means
          • 78 Marking
          • 79 Installation Instructions
          • WET LOCATION CEILING-SUSPENDED FANS
          • 80 General
          • 81 Construction
            • 81.1 Corrosion protection
            • 81.2 Fan blades
          • 82 Performance
          • 83 Marking
          • 84 Installation Instructions
          • CEILING-SUSPENDED FAN LIGHT KITS
          • 85 General
          • 86 Construction
          • 87 Performance
          • 88 Marking
          • 89 Installation Instructions
          • FANS FOR USE IN COOKING AREAS
          • 90 General
          • 91 Construction
            • 91.1 Motor
            • 91.2 Duct-connection fitting
            • 91.3 Enclosures and guards
            • 91.3A Nonmetallic parts – location and volume limitations
            • 91.4 Receptacles
            • 91.5 Filters
            • 91.6 Cord-connected rangehoods
            • 91.7 Rangehood cord-connection kits
            • 91.8 Light assemblies
            • 91.8A Lamp containment barriers
            • 91.8B Tungsten-halogen lamp voltage incompatibility
            • 91.9 Glass rangehood surfaces
          • 92 Performance
            • 92.1 General
            • 92.1A Temperature test for rangehoods
            • 92.2 Grease conditioning
            • 92.3 Oven and humidity conditioning
            • 92.4 Grease and humidity conditioning
            • 92.5 Tests for cord-connected rangehoods
            • 92.6 Tests for rangehood cord-connection kits
            • 92.7 Polymeric lamp containment barrier melt-through
            • 92.8 Glass impact test
          • 92A Rating for Cord-Connected Rangehoods
          • 93 Marking
          • 93A Installation Instructions for Rangehoods and Rangehood Cord-Connection Kits
          • 93B Safety Instructions
          • DAMP LOCATION FANS FOR USE IN COOKING AREAS
          • 94 General
          • 95 Marking
          • 96 Instructions
          • RANGEHOOD/REMOTE BLOWERS FOR USE IN COOKING AREAS
          • 96A General
          • 96B Construction
          • 96C Performance
          • 96D Marking
          • 96E Installation Instructions
          • VENTILATING-HOOD-FAN SHELVES
          • 97 General
          • 98 Construction
          • 99 Performance
            • 99.1 Ventilating-hood-fan shelf temperature test
            • 99.2 Strength of mounting test
            • 99.3 Tipover test
          • 100 Ratings
          • 101 Marking
          • 102 Installation Instructions
          • RECREATIONAL VEHICLE FANS
          • 103 General
          • 104 Construction
            • 104.1 Means of mounting
            • 104.2 Diffusers and lenses
            • 104.3 Supply connections – 24 volts or less
            • 104.4 Wiring
            • 104.5 Electrical components
          • 105 Performance
            • 105.1 Input test – 24 volts or less
            • 105.2 Normal temperature test – 24 volts or less
            • 105.3 Dielectric voltage-withstand test – 24 volts or less
            • 105.4 Abnormal operation test – 24 volts or less
            • 105.5 Rain test – 24 volts or less
            • 105.6 Vibration test – 24 volts or less
          • 106 Manufacturing and Production Tests
            • 106.1 Dielectric voltage-withstand test – 24 volts or less
          • 107 Marking
          • FANS FOR AGRICULTURAL BUILDINGS
          • 108 General
          • 109 Construction
          • 110 Performance
          • 111 Marking
          • CEILING INSERT FAN/LIGHT COMBINATIONS
          • 112 General
          • 113 Construction
          • 114 Performance
            • 114.1 Normal temperature test
            • 114.2 Abnormal operation tests
          • 115 Marking
          • 116 Operating and Installation Instructions
          • SWAG-MOUNTED CEILING-SUSPENDED FANS
          • 117 General
          • 118 Construction
          • 119 Marking
          • 120 Installation Instructions
          • 121 Swag Kits
          • 122 Through-Cord In-Line Speed Controllers
            • 122.1 General
            • 122.2 Construction
            • 122.3 Performance
            • 122.4 Marking
          • FANS FOR USE IN WINDOWS
          • 123 General
          • 124 Construction
          • 125 Installation Instructions
          • TOILET-BOWL FANS
          • 126 General
          • 127 Performance
            • 127.1 Water spray test
            • 127.2 Overflow test
            • 127.3 Creep test
            • 127.4 Heat cycling test
            • 127.5 Temperature cycling tests
            • 127.6 Static load test
          • EVAPORATIVE COOLERS
          • 128 General
          • 129 Construction
            • 129.1 Frame and enclosure
            • 129.2 Motors and pumps
            • 129.3 Filters
            • 129.4 Backflow prevention
            • 129.5 Wetting of live parts
          • 130 Performance
            • 130.1 Input test
            • 130.2 Temperature test
            • 130.3 Moisture resistance test
            • 130.4 Stability test
            • 130.5 Ultraviolet light and water exposure
            • 130.6 Overflow test
            • 130.7 Spill test
            • 130.8 Static loading test
          • 130A Marking
          • FLOOR INSERT FANS
          • 131 General
          • 132 Construction
            • 132.1 Moving parts
          • 133 Performance
            • 133.1 Water splash test
            • 133.2 Crush test
          • OUTDOOR USE EQUIPMENT
          • 134 General
          • 135 Construction
            • 135.1 General
            • 135.2 Protection against corrosion
            • 135.3 Field-wiring connections
            • 135.4 Internal wiring
            • 135.5 Insulating material
            • 135.6 Enclosures
            • 135.7 Grounding and power supply connections
          • 136 Performance
            • 136.1 Sealing compound
            • 136.2 Gasket
            • 136.3 Exposure to sunlight (ultraviolet radiation)
          • 137 Marking
          • 138 Instructions
          • DAMP LOCATION COMPONENT FANS
          • 138A General
          • 138B Construction
          • 138C Performance
          • 138D Markings
          • WET LOCATION AND OUTDOOR-USE COMPONENT FANS
          • 138E General
          • 138F Construction
          • 138G Performance
            • 138G.1 Thermal cycling test
          • 138H Markings
          • FANS FOR USE IN UNATTENDED AREAS
          • 139 General
          • 140 Performance
            • 140.1 Test preparation – fan motor failure mode analysis
            • 140.2 Test procedure – fan motor failure mode analysis
          • FANS INTENDED FOR INSTALLATION OVER A BATHTUB OR SHOWER
          • 141 General
          • 142 Performance
            • 142.1 Water spray test
            • 142.2 Thermal shock test
          • 143 Marking
          • 144 Installation Instructions
          • DOWN-DRAFT FANS
          • 145 General
          • 146 Construction
            • 146.1 Power supply connections
            • 146.2 Actuating members
            • 146.3 Ducts
            • 146.4 Accessibility of moving parts
          • 147 Performance
            • 147.1 Temperature test
            • 147.1A Temperature Test – Lift Motors
            • 147.2 Flare-up test
            • 147.3 Temperature and grease build-up profile
          • 148 Marking
          • 149 Installation Instructions
          • LOW VOLTAGE COMPONENT FANS
          • 150 General
          • 151 Construction
            • 151.1 Flammability of non-metallic enclosures and other parts
            • 151.2 Internal wiring – electrical connections
            • 151.3 Insulating material
          • 152 Performance
            • 152.1 Test voltages
            • 152.2 Input test
            • 152.3 Temperature test
            • 152.4 Dielectric voltage withstand test
            • 152.5 Abnormal operation locked rotor test
          • 153 Rating
          • 154 Marking
          • DRYER TYPE FANS AND COMMERCIAL DISPLAY BLOWERS
          • 155 General
          • 156 Construction
            • 156.1 Convenience receptacle
            • 156.2 Power supply cord
          • 156A Performance
            • 156A.1 General
            • 156A.2 Attachment Plug Test
          • 156B Markings
            • 156B.1 General
          • 156C Instructions
            • 156C.1 General
          • EVAPORATIVE COOLERS AND AIR-FILTERING APPLIANCES FOR COMMERCIAL-INDUSTRIAL APPLICATIONS
          • 157 General
          • 158 Construction
            • 158.1 Assembly and shipping
            • 158.2 Transformers
            • 158.3 Motor overload protection
            • 158.4 Overcurrent protection
            • 158.5 Internal wiring
          • 159 Markings
          • 160 Caution Markings
          • RETROFIT PUMPS FOR EVAPORATIVE COOLERS
          • 161 General
          • 162 Construction
          • 163 Rating
          • 164 Marking
          • 165 Installation Instructions
          • DIRECT PLUG-IN PRODUCTS
          • 166 General
          • 167 Construction
            • 167.1 Power supply connections
          • 168 Performance
          • 169 Marking
          • AIR FILTERING APPLIANCES FOR USE IN "OTHER SPACES USED FOR ENVIRONMENTAL AIR"
          • 170 General
          • 171 Construction
          • 172 Markings
          • LOW PRESSURE INFLATORS
          • 173 Definition
          • 174 Temperature Test
          • 175 Abnormal Operation
          • 176 Locked Rotor
          • 177 Marking
          • 178 Instruction Manual
          • FANS OPERATING FROM RECHARGEABLE BATTERY POWER
          • 179 General
          • 180 Glossary
          • 181 Construction
          • 182 Performance
            • 182.1 General
            • 182.2 Charging input/output test
            • 182.3 Input test
            • 182.4 Temperature test
            • 182.5 Charger temperature test
            • 182.6 Dielectric voltage withstand test
            • 182.7 Enclosure impact test
            • 182.8 Drop test
            • 182.9 Locked rotor test
            • 182.10 Abnormal operation
            • 182.11 Battery venting test
          • 183 Marking
          • 184 Instructions
          • AIR CLEANING DEVICES EMPLOYING UV TECHNOLOGY
          • 185 General
          • 186 Construction
            • 186.1 Non-metallic enclosures and parts other than enclosures
            • 186.2 Components
            • 186.3 Interlocks
          • 187 Performance
            • 187.1 Ozone test
            • 187.2 Ultraviolet radiation test
          • 188 Markings
    • Smart Enabled Electric Fans
    • APPENDIX A
    • APPENDIX BMotor requirement reference guide
    • Superseded List