UL 2157
Electrical Clothes Washing Machines and Extractors

DETAILS
Edition Number:2SCC Approved:--
Edition Date:1997-06-01DOD Approved: --
Price Code:BANSI Approved: 2010-02-16
Type:ulcsa

  • SCOPE

    1 Scope

    1.1 This Standard applies to electric clothes washing machines and extractors intended to be used in nonhazardous locations in accordance with the Canadian Electrical Code, Part I (CEC), and the (U.S.) National Electrical Code (NEC), on circuits having a nominal voltage not exceeding 600 V.

    Note: Wherever practical, for convenience, the term "appliance" has been used in lieu of "clothes washer" or "machine".

    1.2 This Standard applies to both cord-connected and permanently connected appliances. The appliances covered by this Standard are intended for use by the general public not specifically trained in the use of the appliance, regardless of the mode by which its operation is initiated. They are for use in household and commercial purposes, including appliances provided with coin-, ticket-, or card-operated mechanisms, wringer washers, tumbler, agitator and spinner machines, combination washer-dryers, and extractors of the centrifugal type.

    1.3 This Standard does not apply to industrial and institutional type appliances. Industrial or institutional appliances are covered under the scope of Electric Washing Machines, CSA C22.2 No. 53, or Electric Commercial Clothes-Washing Equipment, UL 1206.

    Note: Industrial and institutional type appliances are not intended for use by the general public, but only by trained or supervised personnel.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • UL/CSA Title Page
    • Table of Contents
    • ULCSAPREFACE
    • CSA Foreword
    • UL Foreword
      • Electric Clothes Washing Machines and Extractors
        • 1 Scope
        • 2 Definitions
        • 3 General requirements and reference publications
          • 3.1 General requirements
          • 3.2 Reference publications
        • 4 General conditions for the tests
          • 4.1 Voltage and frequency
          • 4.2 Test load
          • 4.3 Test fabric
          • 4.4 Thermocouples
          • 4.5 Laundry detergent
          • 4.6 Laundry bleach
          • 4.7 Cheesecloth for heating and abnormal tests
          • 4.8 Test temperature
        • 5 Void
        • 6 Void
        • 7 Marking and instructions
          • 7.1 Marking
          • 7.2 Instruction manual
          • 7.3 Installation instructions
          • 7.4 Operating instructions
          • 7.5 User-maintenance instructions
          • 7.6 Appliance stand and wall-mounting kit instructions
        • 8 Protection against accessibility to current-carrying parts
        • 9 Starting of motor-operated appliances
        • 10 Power input and current
        • 11 Heating
        • 12 Void
        • 13 Leakage current
        • 14 Void
        • 15 Moisture resistance
          • 15.3 Insulation resistance
        • 16 Electric strength
        • 17 Overload protection of transformers and associated circuits
        • 18 Void
        • 19 Abnormal operation
          • 19.1 Stalled motor and open solenoid test
          • 19.2 Cord reels
          • 19.3 Wetting of electrical components
          • 19.4 Oversudsing
          • 19.5 Auxiliary reservoirs
        • 20 Stability and mechanical hazards
          • 20.1 Automatic restarting of motor
          • 20.2 Stability (freestanding appliances)
          • 20.3 Wall-mounted appliances
          • 20.4 Appliance stands
          • 20.5 Sharp edges, projections, and moving parts
          • 20.6 Entrapment
          • 20.7 Wringer washers
          • 20.8 Washing machines and extraction-type appliances
        • 21 Mechanical strength
          • 21.1 Frame and enclosure
          • 21.2 Back covers
        • 22 Construction
          • 22.1 Current-carrying parts
          • 22.2 Electrical insulation
          • 22.3 Thermal insulation
          • 22.4 Overflow pipes
          • 22.5 Bottom openings
          • 22.6 Plumbing requirements
        • 23 Internal wiring
          • 23.10 Splices and connections
          • 23.11 Separation of circuits
          • 23.12 Overcurrent protection
        • 24 Components
          • 24.1 General requirements for components
          • 24.2 Specific requirements for components
          • 24.3 Capacitors
          • 24.4 Field-installed devices and accessories
          • 24.5 Heating elements
          • 24.6 Lampholders
          • 24.7 Motors
          • 24.8 Motor overload-protective devices
          • 24.9 Receptacles
          • 24.10 Seals and diaphragms
          • 24.11 Switches and controls
          • 24.12 Temperature controls
        • 25 Supply connection and external flexible cords
          • 25.1 General
          • 25.2 Permanently connected appliances
          • 25.3 Cord-connected appliances
          • 25.4 Bushings
        • 26 Terminals for external conductors
        • 27 Provision for grounding
          • 27.1 General
          • 27.2 Bonding for grounding
          • 27.3 Continuity of grounding circuit
          • 27.4 Grounding terminals and leads
        • 28 Screws and connections
        • 29 Creepage distances, clearances, and distances through insulation
          • 29.7 Alternate spacings - clearances and creepage distances
        • 30 Resistance to heat, fire, and tracking
        • 31 Resistance to rusting
        • 32 Polymeric materials
          • 32.1 General
          • 32.2 Long-term exposure
          • 32.3 Immersion
          • 32.4 Mould stress relief
          • 32.5 Horizontal burning rate
          • 32.6 Flammability
          • 32.7 6.8 J impact (ambient and low temperature)
          • 32.8 Static load
          • 32.9 56.7 J impact
          • 32.10 Thermal cycling
          • 32.11 Crush resistance
          • 32.12 Hot-wire ignition
          • 32.13 Thermal ageing
          • 32.14 Volume resistivity
          • 32.15 Enclosure flammability - large mass consideration
          • 32.16 Abnormal operation test on enclosures
          • 32.17 Abnormal operation test on functional polymeric parts
          • 32.18 Abnormal operation test on parts wetted only during an abnormal condition
          • 32.19 High-current arc ignition
        • 33 Manufacturing and production tests
          • 33.1 Plumbing system leakage test
          • 33.2 Grounding continuity test
          • 33.3 Electric strength test
    • APPENDIX A
    • APPENDIX B