UL 858A
Standard for Safety-Related Solid-State Controls for Household Electric Ranges

DETAILS
Edition Number:3SCC Approved:--
Edition Date:2007-04-12DOD Approved: --
Price Code:DANSI Approved: 2012-09-25
Type:ulstd

  • SCOPE

    1 Scope

    1.1 The requirements in this standard cover safety-related solid-state controls used in household electric ranges. These requirements supplement and, in some cases, amend the requirements in the Standard for Household Electric Ranges, UL 858, the Standard for Temperature-Indicating and -Regulating Equipment, UL 873, and the Standard for Tests for Safety-Related Controls Employing Solid-State Devices, UL 991. Compliance with the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1, and/or the applicable Part 2 standard from the UL 60730 series fulfills the UL 873 requirements.


    1.1 revised December 17, 2013

    1.2 These requirements cover a solid-state control that performs any of the following functions:

    a)    Controls cooktop heating elements.

    b)    Controls oven normal operating temperatures.

    c)    Controls oven self-cleaning cycle operating temperatures.

    d)    Controls oven self-cleaning cycle door lock system.

    e)    Controls required signal lights or audible alarms.

    f)    Serves as a temperature-limiting control for any of the functions noted in (a) – (e).

    g)    Controls a function essential for the appliance to comply with a specific requirement in the Standard for Household Electric Ranges, UL 858.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General Requirements
            • 2.1 General
            • 2.2 Components
            • 2.3 Units of measurement
            • 2.4 References
          • 3 Glossary
        • INVESTIGATION
          • 4 General Requirements
            • 4.1 General
            • 4.2 Spacings
            • 4.3 Temperature test
          • 5 Limiting Controls
          • 6 Failure Mode and Effect Analysis FMEA
          • 7 Electrical Supervision
          • 8 Demonstrated Test Method
            • 8.1 General
            • 8.2 Test unit-hours
            • 8.3 Test procedure
        • ENVIRONMENTAL STRESS TESTS
          • 9 General
          • 10 Transient Overvoltage Tests
          • 11 Electromagnetic Susceptibility Tests
            • 11.1 General
            • 11.2 Electrical fast transient/burst test
            • 11.3 Radiated EMI test
          • 12 Humidity Test
        • POWER CYCLING TESTS
          • 13 General
        • FOLLOW-UP PROGRAM
          • 14 General
        • MARKINGS
          • 15 General
    • APPENDIX A