UL 452
Standard for Antenna - Discharge Units

DETAILS
Edition Number:7SCC Approved:--
Edition Date:2006-11-02DOD Approved: --
Price Code:AANSI Approved: 2015-12-23
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover antenna-discharge units for radio and television receiving equipment and amateur radio-transmitting and -receiving equipment, to be employed in accordance with the National Electrical Code, NFPA 70.

    1.2 An antenna-discharge unit – hereinafter referred to as a discharge unit – as covered by these requirements consists of a gap, a fixed resistance or other discharge element, or a combination of such features, connected between each antenna lead-in terminal and a grounding terminal.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 References
        • CONSTRUCTION
          • 3 General
          • 4 Enclosure
          • 5 Protection Against Corrosion
          • 6 Insulating Material
          • 7 Current-Carrying Parts
          • 8 Terminals
          • 9 Fuses
        • PERFORMANCE
          • 10 Internal Resistance
          • 11 Discharge Test
          • 12 Installation Test
        • MARKING
          • 13 Details