UL 379
Standard for Power Units for Fountain, Swimming Pool, and Spa Luminaires

DETAILS
Edition Number:1SCC Approved:--
Edition Date:2013-06-19DOD Approved: --
Price Code:AANSI Approved: 2013-06-19
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover field-installed air-cooled transformers and dc output power supplies intended to supply fountain, swimming pool, and spa luminaires in accordance with Article 680 of the National Electrical Code, NFPA 70.

    1.2 These requirements do not address designs that vary the magnitude of voltage or current on the output for signal or control purposes. Designs that superimpose a signal on the output for control purposes area also not addressed.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • PART I – ALL POWER UNITS FOR FOUNTAIN, SWIMMING POOL, AND SPA LUMINAIRES
          • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 Power units
            • 2.2 Undated references
            • 2.3 Units of measurement
            • 2.4 Electrical rating
            • 2.5 DC output units
          • 3 Components
            • 3.1 General
            • 3.2 Fuseholders
            • 3.3 Fuses
            • 3.4 Printed wiring boards
            • 3.5 Terminal blocks
            • 3.6 Wire connectors
            • 3.7 Quick-connect wire connectors
          • CONSTRUCTION
          • 4 Output Circuit Isolation
          • 5 Class 2 Circuits Within Power Unit
          • 6 Mechanical Assembly
          • 7 Enclosures
            • 7.1 General
            • 7.2 Resistance to corrosion
            • 7.3 Conduit connection provisions
            • 7.4 Openings
            • 7.5 Rain-tight enclosures
          • 8 Splices and Connections
          • 9 Separation of Circuits
          • 10 Field-Wiring Connections
            • 10.1 General
            • 10.2 Terminals
            • 10.3 Pigtail leads
          • 11 Bushings for Wiring
          • 12 Insulating Material for Mounting Live-Metal Parts
          • 13 Coil Insulation
          • 14 Wiring Devices
          • 15 Electrical Spacings
          • 16 Output Overload Protection
          • 17 Grounding
          • 18 Marking
          • PERFORMANCE
          • 19 General
          • 20 Leakage Current Test
          • 21 Open-Circuit Voltage Test
          • 22 Input Test
          • 23 Heating Test
          • 24 Dielectric Strength Test
          • 25 Abnormal Heating Test followed by Dielectric Strength Test
          • 26 Burnout Test
          • 27 Pullout, Bending, and Twisting Tests
          • 28 Endurance Test on Automatically-Reset Thermostats
          • 29 Overload Test on Manually-Reset Thermostats
          • 30 Rain Test
        • PART II – POWER UNITS INTENDED FOR DIRECT CONDUIT CONNECTION TO A WET-NICHE OR NO-NICHE LUMINAIRE
          • 31 General