UL 863
Standard for Time-Indicating and -Recording Appliances

DETAILS
Edition Number:8SCC Approved:--
Edition Date:2007-11-16DOD Approved: --
Price Code:BANSI Approved: --
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover electrically-operated clocks that form parts of a master clock system, secondary, cost, pay-roll, and other clocks intended primarily for industrial installations; and also time stamps, job-card recorders, timers, and similar time-indicating and -recording appliances. These appliances are intended for use on circuits of 300 volts or less in accordance with the National Electrical Code.

    1.2 These requirements do not cover clocks intended primarily for household installations nor do they cover illuminated clocks designed to serve as portable electrical lamps or for other illuminating purposes.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Components
            • 2.2 Units of measurement
            • 2.3 Undated references
        • CONSTRUCTION
          • 3 General
          • 4 Frame and Enclosure
            • 4.1 General
            • 4.2 Doors and covers
          • 5 Protection Against Corrosion
          • 6 Mechanical Assembly
          • 7 Supply Connections – Cord-Connected Appliances
            • 7.1 Cords and plugs
            • 7.2 Grounding
            • 7.3 Strain relief
            • 7.4 Bushings
          • 8 Supply Connections – Permanently-Connected Appliances
            • 8.1 General
            • 8.2 Terminal boxes
            • 8.3 Field-wiring terminals and leads
            • 8.4 Provisions for grounding
          • 9 External Interconnections
            • 9.1 Cord-connected appliances
            • 9.2 Permanently-connected appliances
          • 10 Live Parts
          • 11 Internal Wiring
          • 12 Coil Windings
          • 13 Separation of Circuits
          • 14 Spacings
          • 15 Outdoor-Use Appliances
            • 15.1 General
            • 15.2 Rainproof enclosures
            • 15.3 Lampholders
        • PERFORMANCE
          • 16 Current Input Test
          • 17 Normal Temperature Test
          • 18 Overload Test
          • 19 Endurance Test
          • 20 Burnout Test
          • 21 Dielectric Voltage-Withstand Test
          • 22 Crossover Lead Dielectric Voltage-Withstand Test
            • 22.1 General
            • 22.2 Potential test
            • 22.3 Potential test repeated
          • 23 Strain Relief Test
          • 24 Test for Resistance to Rain
          • 25 Gasket Aging Test
        • MANUFACTURING AND PRODUCTION TESTS
          • 26 Production-Line Dielectric Voltage-Withstand Test
          • 27 Production-Line Grounding Continuity Test
        • RATINGS
          • 28 General
        • MARKINGS
          • 29 General
          • 30 Supply Wiring
          • 31 Ratings
          • 32 Informational
          • 33 Cautionary
    • APPENDIX A