UL 1450
Standard for Motor-Operated Air Compressors, Vacuum Pumps, and Painting Equipment

DETAILS
Edition Number:4SCC Approved:--
Edition Date:2010-05-05DOD Approved: --
Price Code:CANSI Approved: 2019-08-21
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover household and commercial air compressors, vacuum pumps, inflators (both compressor-type and blower-type inflators), paint sprayers, paint mixers, and paint pigment dispensers intended for indoor or outdoor use or both in accordance with the National Electrical Code, ANSI/NFPA 70. These requirements also cover motor-operated air compressors intended for use with sprinkler systems in accordance with the Standard for Installation of Sprinkler Systems, NFPA 13, and the National Electrical Code, ANSI/NFPA 70.

    1.1.1 These requirements also cover battery-operated air compressors, vacuum pumps, and painting equipment covered in Supplement SB – Battery Powered Air Compressors, Vacuum Pumps, and Painting Equipment in this Standard.

    1.2 These requirements do not cover products:

    a)    Rated more than 600 V,

    b)    Employing a universal motor rated more than 250 V, or

    c)    Intended for installation and use in a hazardous location.

    1.3 These requirements do not cover medical and dental products; products intended to be used in heating, air conditioning, or refrigeration systems; paint heaters; electrostatic paint spraying products; or other products covered by separate requirements.

    1.4 These requirements do not cover pneumatic tools and accessories that are covered by the Outline for Investigation for Portable Pneumatic Tools, Subject 7700-1.

    1.5 These requirements do not cover industrial compressors that are primarily supplied to an individual customer specification with regard to pressure, flow, electrical supply, or optional equipment.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Glossary
          • 3 Components
          • 4 Units of Measurement
          • 5 References
          • 6 Attachments
          • 7 Instructions Provided with the Product
        • CONSTRUCTION
          • 8 General
          • 9 Enclosure
          • 10 Mechanical Assembly
          • 11 Protection Against Corrosion
          • 12 Accessibility of Uninsulated Live Parts and Film-Coated Wire
          • 13 Supply Connections
            • 13.1 Cord-connected products
            • 13.2 Strain relief
            • 13.3 Bushings
            • 13.4 Permanently connected products
          • 14 Current-Carrying Parts
          • 15 Insulating Material
          • 16 Gaskets and Seals
          • 17 Internal Wiring
            • 17.1 Mechanical protection
            • 17.2 Types of wire
            • 17.3 Splices and connections
          • 18 Separation of Circuits
          • 19 Capacitors
          • 20 Grounding
            • 20.1 General
            • 20.2 Grounding identification
          • 21 Double Insulation
          • 22 Lampholders
          • 23 Motors
            • 23.1 Construction
            • 23.2 Overload protection
            • 23.3 Brushes and brush holders
          • 24 Overload- or Thermal-Protective Devices
          • 25 Receptacles
          • 26 Switches and Controls
          • 27 Spacings
          • 27A Alternative Spacings – Clearances and Creepage Distances
        • PROTECTION AGAINST INJURY TO PERSONS
          • 28 General
          • 29 Sharp Edges
          • 30 Enclosures and Guards
          • 31 Materials
          • 32 Surface Temperatures
          • 33 Stability
          • 34 Strength of Handles and Mounting Means
          • 35 Rotating or Moving Members
          • 36 Pressure Vessels and Parts Subject to Pressure
            • 36.1 Pressure vessel
            • 36.2 Parts subject to pressure
          • 37 Pressure Relief Means
          • 38 Pressure-Regulating Control Switches
          • 39 Switches, Controls, and Interlocks
        • PERFORMANCE
          • 40 General
          • 41 Leakage Current Test
          • 42 Leakage Current Test Following Humidity Conditioning
          • 43 Starting Current Test
          • 44 Loaded Starting Test
          • 45 Input Test
          • 46 Temperature Test
            • 46.1 General
            • 46.2 Maximum normal load
          • 47 Grounding Continuity Test
          • 48 Dielectric Voltage Withstand Test
          • 49 Resistance to Moisture Test
          • 50 Paint Entry Test
          • 51 Test on Switches and Controls
          • 52 Strain Relief Test
          • 53 Push-Back Strain Relief Test
          • 54 Abnormal Operation Test
          • 55 Accelerated Aging Test
          • 56 Permanence of Marking Tests
          • 57 Vibration Test
          • 58 Hydrostatic Strength Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 59 Dielectric Voltage Withstand
          • 60 Grounding Continuity
          • 61 Pressure Vessel Assembly
          • 62 Start-to-Discharge of Pressure-Relief Device
        • RATING
          • 63 Details
        • MARKING
          • 64 Details
            • 64.1 General
            • 64.2 Permanently connected products
            • 64.3 Cord-connected products
            • 64.4 Household type products
          • 65 Cautionary
        • INSTRUCTION MANUAL
          • 66 General
          • 67 Operating and Installation Instructions
          • 68 User-Maintenance Instructions
          • 69 Grounding Instructions
          • 70 Double-Insulation Instructions
        • BATTERY-OPERATED PRODUCTS
          • 71 Scope
          • 72 Construction
          • 73 Performance
    • HIGH-PRESSURE PAINT SPRAYING PRODUCTS
    • APPENDIX A
    • Superseded List