UL 507
Standard for Electric Fans

DETAILS
Edition Number:10SCC Approved:--
Edition Date:2017-11-09DOD Approved: 1993-02-05
Price Code:DANSI Approved: 2018-02-22
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 1.2(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.

    1.2 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.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • PART 1 – ALL FANS
          • INTRODUCTION
          • 1 Scope
          • 2 Glossary
            • 2.1 General
            • 2.2 Product terms
            • 2.3 Additional terms
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Application of Requirements
          • CONSTRUCTION
          • 6 Components
            • 6.1 General
            • 6.2 Attachment plugs, receptacles, connectors, and terminals
            • 6.3 Boxes and raceways
            • 6.4 Cords, cables, and internal wiring
            • 6.5 Cord reels
            • 6.6 Light sources and associated components
            • 6.7 Overcurrent protection
            • 6.8 Power supplies
            • 6.9 Supplemental insulation, insulating bushings, and assembly aids
            • 6.10 Transformers
          • 7 Frame and Enclosures
            • 7.1 General
            • 7.2 Wood enclosure parts
            • 7.3 Non-metallic enclosures
            • 7.4 Non-metallic parts other than enclosures
          • 8 Flame Spread and Smoke Developed Requirements for Non-Metallic Enclosures and Other Parts of Permanently Connected Equipment
          • 9 Accessibility of Moving Parts
            • 9.1 General
            • 9.2 Portable fans and window fans
            • 9.3 Stationary fans and permanently connected fans
          • 10 Accessibility of Live Parts
            • 10.1 General
            • 10.2 Application of probes
            • 10.3 Removal of parts
            • 10.4 Disconnection means
          • 11 Mechanical Assembly
          • 12 Mounting Means
            • 12.1 General
            • 12.2 Cord-connected wall-mounted appliances
          • 13 Protection Against Corrosion
          • 14 Power Supply Connections – Permanently-Connected Appliances
            • 14.1 General
            • 14.2 Knockouts and openings
            • 14.3 Field-wiring compartments
            • 14.4 Wiring terminals and leads
            • 14.5 Identification
          • 15 Power Supply Connections – Cord-Connected Appliances
            • 15.1 Cords and plugs
            • 15.2 Strain relief
            • 15.3 Bushings
          • 16 Supply Cord Overcurrent Protection
          • 17 Special Protection Devices
          • 18 Live Parts
          • 19 Internal Wiring – Electrical Connections
          • 20 Insulating Material
          • 21 Receptacles
          • 22 Motors
          • 23 Motor Protection
          • 24 Protective Devices
          • 25 Fuseholders and Fused Attachment Plugs
          • 26 Motor Overload Protection
          • 27 Switches, Including Motor Controllers
          • 28 Interlocks
          • 29 Capacitors
          • 30 Spacings
          • 31 Secondary Circuits
            • 31.1 General
            • 31.2 Difference between the level of evaluation required within each type of secondary circuit
            • 31.3 Class 2 circuit requirements
            • 31.4 Limited voltage/current circuit requirements
            • 31.5 Limited energy circuit requirements
            • 31.6 Limiting impedance circuit requirements
          • 32 Printed-Wiring Boards
          • 33 General Purpose Transformer – Insulation Systems
          • 34 Electronic Circuits
          • 35 Grounding
            • 35.1 General
            • 35.2 Permanently connected appliances
            • 35.3 Cord-connected appliances
            • 35.4 Grounding for low-voltage power-limited circuits
            • 35.5 Fans employing convenience receptacles
          • 36 Filters
          • 37 Accessories
          • 38 Button or Coin Cell Batteries of Lithium Technologies
          • 39 Lasers
          • PERFORMANCE – ALL APPLIANCES
          • 40 Test Voltages
          • 41 Leakage Current Test
          • 42 Continuity of Grounding Circuit Test
          • 43 Limited Short-Circuit Test
          • 44 Starting Current Test
          • 45 Input Test
          • 46 Temperature Test
            • 46.1 All fans
            • 46.2 Fans for use over an eye-level range oven
            • 46.3 Controllers
          • 47 Dielectric Voltage Withstand Test
          • 48 Water Spray Test
            • 48.1 General
            • 48.2 Test preparation
            • 48.3 Procedure
            • 48.4 120 volt cord-connected appliances
            • 48.5 Other than 120 volt cord connected appliances
            • 48.6 All appliances
          • 49 Hosedown Test
          • 50 Locked Rotor Test
          • 51 Locked Rotor Cycling
          • 52 Flagging
          • 53 Humidity Conditioning Test
          • 54 Strain Relief Test
          • 55 Interconnecting Cords and Leads
          • 56 Unguarded Impeller Tests
          • 57 Push Back Relief Test
          • 58 Oscillating Fan Test
          • 59 Tests of Switches and Controls
            • 59.1 Overload
            • 59.2 Reversing
          • 60 Static Load Test For Mounting Means
          • 61 Impact Test on Guards
          • 62 Static Force Test on Guards
          • 63 Impeller Test for Portable Fans
          • 64 Impeller Ignition Test
          • 65 Component Breakdown Test
          • 66 Fuseholder Cover Test
          • 67 General Purpose Transformers
            • 67.1 General
            • 67.2 Voltage measurement test
            • 67.3 Overload test
            • 67.4 Repeated dielectric voltage-withstand test
          • 68 Thermal Aging
          • 69 Permanence of Marking Tests
          • PERFORMANCE – PORTABLE APPLIANCES
          • 70 Drop Test
          • 71 Security of Handle Test
          • 72 Stability Test
          • 73 Hassock Fan Load Test
          • PERFORMANCE – PERMANENTLY CONNECTED APPLIANCES
          • 74 Installation Test
          • 75 Tests for Fans for Unattended Areas
          • MANUFACTURING AND PRODUCTION TESTS
          • 76 Dielectric Voltage Withstand Test
          • 77 Grounding Continuity Test
          • 78 Polarization Test
          • RATING
          • 79 Details
          • MARKING
          • 80 General Markings
            • 80.1 General
            • 80.2 Motors
            • 80.3 Controllers
            • 80.4 Shipping
            • 80.5 Wall- or ceiling-insert fans
            • 80.6 Attic-mounted and roof-mounted fans
            • 80.7 Wiring
            • 80.8 Cord tag markings
          • 81 Cautionary Markings
          • INSTRUCTIONS
          • 82 Important Safety Instructions
            • 82.1 General
            • 82.2 Details
          • 83 Installation Instructions
          • 84 User Servicing Instructions
        • PART 2 – SPECIFIC FAN TYPES
          • FANS FOR USE WITH SOLID STATE SPEED CONTROLS
          • 85 General
          • 86 Construction
          • 87 Performance
            • 87.1 Temperature test
            • 87.2 Abnormal operation test
          • 88 Marking
          • CEILING-SUSPENDED FANS
          • 89 General
          • 90 Construction
            • 90.1 Mounting means
            • 90.2 Fan blades
            • 90.3 Power supply connections
            • 90.4 Wiring
            • 90.5 Openings in canopy
          • 91 Performance
            • 91.1 Static load test
            • 91.2 Fans with polymeric mounting means
            • 91.3 Polymeric blades
            • 91.4 Fan blade brackets
          • 92 Marking
          • 93 Installation Instructions
          • DAMP LOCATION CEILING-SUSPENDED FANS
          • 94 General
          • 95 Construction – Protection Against Corrosion
          • 96 Construction – Electrical
          • 97 Construction – Exposure to Sunlight (Ultraviolet Radiation)
          • 98 Fan Blades
          • 99 Performance
            • 99.1 Polymeric blades
            • 99.2 Polymeric ball-joint hanger means
          • 100 Marking
          • 101 Installation Instructions
          • WET LOCATION CEILING-SUSPENDED FANS
          • 102 General
          • 103 Construction
            • 103.1 Corrosion protection
            • 103.2 Fan blades
          • 104 Performance
          • 105 Marking
          • 106 Installation Instructions
          • CEILING-SUSPENDED FAN LIGHT KITS
          • 107 General
          • 108 Construction
          • 109 Performance
          • 110 Marking
          • 111 Installation Instructions
          • FANS FOR USE IN COOKING AREAS
          • 112 General
          • 113 Construction
            • 113.1 Motor
            • 113.2 Duct-connection fitting
            • 113.3 Enclosures and guards
            • 113.4 Nonmetallic parts – location and volume limitations
            • 113.5 Receptacles
            • 113.6 Filters
            • 113.7 Cord-connected rangehoods
            • 113.8 Rangehood cord-connection kits
            • 113.9 Light assemblies
            • 113.10 Lamp containment barriers
            • 113.11 Tungsten-halogen lamp voltage incompatibility
            • 113.12 Glass rangehood surfaces
            • 113.13 Rangehoods with ceiling-mounted luminaire module
          • 114 Performance
            • 114.1 General
            • 114.2 Temperature test for rangehoods
            • 114.3 Grease conditioning
            • 114.4 Oven and humidity conditioning
            • 114.5 Grease and humidity conditioning
            • 114.6 Tests for cord-connected rangehoods
            • 114.7 Tests for rangehood cord-connection kits
            • 114.8 Polymeric lamp containment barrier melt-through
            • 114.9 Glass impact test
          • 115 Rating for Cord-Connected Rangehoods
          • 116 Marking
          • 117 Installation Instructions for Rangehoods and Rangehood Cord-Connection Kits
          • 118 Safety Instructions
          • DAMP LOCATION FANS FOR USE IN COOKING AREAS
          • 119 General
          • 120 Marking
          • 121 Instructions
          • RANGEHOOD/REMOTE BLOWERS FOR USE IN COOKING AREAS
          • 122 General
          • 123 Construction
          • 124 Performance
          • 125 Marking
          • 126 Installation Instructions
          • VENTILATING-HOOD-FAN SHELVES
          • 127 General
          • 128 Construction
          • 129 Performance
            • 129.1 Ventilating-hood-fan shelf temperature test
            • 129.2 Strength of mounting test
            • 129.3 Tipover test
          • 130 Ratings
          • 131 Marking
          • 132 Installation Instructions
          • RECREATIONAL VEHICLE FANS
          • 133 General
          • 134 Construction
            • 134.1 Means of mounting
            • 134.2 Diffusers and lenses
            • 134.3 Supply connections – 24 volts or less
            • 134.4 Wiring
            • 134.5 Electrical components
          • 135 Performance
            • 135.1 Input test – 24 volts or less
            • 135.2 Normal temperature test – 24 volts or less
            • 135.3 Dielectric voltage-withstand test – 24 volts or less
            • 135.4 Abnormal operation test – 24 volts or less
            • 135.5 Rain test – 24 volts or less
            • 135.6 Vibration test – 24 volts or less
          • 136 Manufacturing and Production Tests
            • 136.1 Dielectric voltage-withstand test – 24 volts or less
          • 137 Marking
          • FANS FOR AGRICULTURAL BUILDINGS
          • 138 General
          • 139 Construction
          • 140 Performance
          • 141 Marking
          • CEILING INSERT FAN/LIGHT COMBINATIONS
          • 142 General
          • 143 Construction
          • 144 Performance
            • 144.1 Normal temperature test
            • 144.2 Abnormal operation tests
          • 145 Marking
          • 146 Operating and Installation Instructions
          • SWAG-MOUNTED CEILING-SUSPENDED FANS
          • 147 General
          • 148 Construction
          • 149 Marking
          • 150 Installation Instructions
          • 151 Swag Kits
          • 152 Through-Cord In-Line Speed Controllers
            • 152.1 General
            • 152.2 Construction
            • 152.3 Performance
            • 152.4 Marking
          • FANS FOR USE IN WINDOWS
          • 153 General
          • 154 Construction
          • 155 Installation Instructions
          • TOILET-BOWL FANS
          • 156 General
          • 157 Performance
            • 157.1 Water spray test
            • 157.2 Overflow test
            • 157.3 Creep test
            • 157.4 Heat cycling test
            • 157.5 Temperature cycling tests
            • 157.6 Static load test
          • EVAPORATIVE COOLERS
          • 158 General
          • 159 Construction
            • 159.1 Frame and enclosure
            • 159.2 Motors and pumps
            • 159.3 Filters
            • 159.4 Backflow prevention
            • 159.5 Wetting of live parts
          • 160 Performance
            • 160.1 Input test
            • 160.2 Temperature test
            • 160.3 Moisture resistance test
            • 160.4 Stability test
            • 160.5 Ultraviolet light and water exposure
            • 160.6 Overflow test
            • 160.7 Spill test
            • 160.8 Static loading test
          • 161 Marking
          • FLOOR INSERT FANS
          • 162 General
          • 163 Construction
            • 163.1 Moving parts
          • 164 Performance
            • 164.1 Water splash test
            • 164.2 Crush test
          • OUTDOOR USE EQUIPMENT
          • 165 General
          • 166 Construction
            • 166.1 General
            • 166.2 Protection against corrosion
            • 166.3 Field-wiring connections
            • 166.4 Internal wiring
            • 166.5 Insulating material
            • 166.6 Enclosures
            • 166.7 Grounding and power supply connections
          • 167 Performance
            • 167.1 Sealing compound
            • 167.2 Gasket
            • 167.3 Exposure to sunlight (ultraviolet radiation)
          • 168 Marking
          • 169 Instructions
          • DAMP LOCATION COMPONENT FANS
          • 170 General
          • 171 Construction
          • 172 Performance
          • 173 Markings
          • WET LOCATION AND OUTDOOR-USE COMPONENT FANS
          • 174 General
          • 175 Construction
          • 176 Performance
            • 176.1 Thermal cycling test
          • 177 Markings
          • FANS FOR USE IN UNATTENDED AREAS
          • 178 General
          • 179 Performance
            • 179.1 Test preparation – fan motor failure mode analysis
            • 179.2 Test procedure – fan motor failure mode analysis
          • FANS INTENDED FOR INSTALLATION OVER A BATHTUB OR SHOWER
          • 180 General
          • 181 Performance
            • 181.1 Water spray test
            • 181.2 Thermal shock test
          • 182 Marking
          • 183 Installation Instructions
          • DOWN-DRAFT FANS
          • 184 General
          • 185 Construction
            • 185.1 Power supply connections
            • 185.2 Actuating members
            • 185.3 Ducts
            • 185.4 Accessibility of moving parts
          • 186 Performance
            • 186.1 Temperature test
            • 186.2 Temperature test – lift motors
            • 186.3 Temperature and grease build-up profile
            • 186.4 Moving parts
          • 187 Marking
          • 188 Installation Instructions
          • LOW VOLTAGE COMPONENT FANS
          • 189 General
          • 190 Construction
            • 190.1 Flammability of non-metallic enclosures and other parts
            • 190.2 Internal wiring – electrical connections
            • 190.3 Insulating material
          • 191 Performance
            • 191.1 Test voltages
            • 191.2 Input test
            • 191.3 Temperature test
            • 191.4 Dielectric voltage withstand test
            • 191.5 Abnormal operation locked rotor test
          • 192 Rating
          • 193 Marking
          • DRYER TYPE FANS AND COMMERCIAL DISPLAY BLOWERS
          • 194 General
          • 195 Construction
            • 195.1 Convenience receptacle
            • 195.2 Power supply cord
          • 196 Performance
            • 196.1 General
            • 196.2 Attachment plug test
          • 197 Markings
          • 198 Instructions
          • EVAPORATIVE COOLERS AND AIR-FILTERING APPLIANCES FOR COMMERCIAL-INDUSTRIAL APPLICATIONS
          • 199 General
          • 200 Construction
            • 200.1 Assembly and shipping
            • 200.2 Transformers
            • 200.3 Motor overload protection
            • 200.4 Overcurrent protection
            • 200.5 Internal wiring
          • 201 Markings
          • 202 Caution Markings
          • RETROFIT PUMPS FOR EVAPORATIVE COOLERS
          • 203 General
          • 204 Construction
          • 205 Rating
          • 206 Marking
          • 207 Installation Instructions
          • DIRECT PLUG-IN PRODUCTS
          • 208 General
          • 209 Construction
            • 209.1 Power supply connections
          • 210 Performance
          • 211 Marking
          • AIR FILTERING APPLIANCES FOR USE IN "OTHER SPACES USED FOR ENVIRONMENTAL AIR"
          • 212 General
          • 213 Construction
          • 214 Markings
          • FANS OPERATING FROM RECHARGEABLE BATTERY POWER
          • 215 General
          • 216 Glossary
          • 217 Construction
          • 218 Performance
            • 218.1 General
            • 218.2 Charging input/output test
            • 218.3 Input test
            • 218.4 Temperature test
            • 218.5 Charger temperature test
            • 218.6 Dielectric voltage withstand test
            • 218.7 Enclosure impact test
            • 218.8 Drop test
            • 218.9 Locked rotor test
            • 218.10 Abnormal operation
            • 218.11 Battery venting test
          • 219 Marking
          • 220 Instructions
          • AIR CLEANING DEVICES EMPLOYING UV TECHNOLOGY
          • 221 General
          • 222 Construction
            • 222.1 Non-metallic enclosures and parts other than enclosures
            • 222.2 Components
            • 222.3 Interlocks
          • 223 Performance
            • 223.1 Ozone test
            • 223.2 Ultraviolet radiation test
          • 224 Markings
    • UL 60335-1 BASED REQUIREMENTS FOR THE EVALUATION OF ELECTRONIC CIRCUITS
    • APPENDIX AMotor requirement reference guide