UL 8750
Standard for Light Emitting Diode (LED) Equipment for Use in Lighting Products

DETAILS
Edition Number:2SCC Approved:--
Edition Date:2015-09-15DOD Approved: --
Price Code:CANSI Approved: 2018-08-22
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover LED equipment that is an integral part of a luminaire or other lighting equipment and which operates in the visible light spectrum between 400 – 700 nm. These requirements also cover the component parts of light emitting diode (LED) equipment, including LED drivers, controllers, arrays, modules, and packages as defined within this standard.

    1.1.1 LED controllers covered in this standard are intended to be:

    a)    Integral to the luminaire, or

    b)    Located remotely from the luminaire when the LED controller is supplied from and controls the luminaire using only Class 2 circuits.

    1.1.2 These requirements do not cover LED controllers intended for installation inside a remote electrical outlet box containing Class 1 circuits.

    1.1.3 These requirements do not cover LED controllers within the scopes of the following standards:

    a)    Standard for Safety for Plug-In Locking Type Photocontrols for Use with Area Lighting, UL 773, or

    b)    Standard for Safety for Solid-State Dimming Controls, UL 1472.

    1.2 These lighting products are intended for installation on branch circuits of 600 V nominal or less in accordance with the National Electrical Code (NEC), ANSI/NFPA 70, and for connection to isolated (non-utility connected) power sources such as generators, batteries, fuel cells, solar cells, and the like.

    1.3 LED equipment is utilized in lighting products that comply with the end-product standards listed below. The requirements in this standard are intended to supplement those in other end-product standards. Included are:

    a)    Electric Signs, UL 48,

    b)    Portable Electric Luminaires, UL 153,

    c)    Underwater Luminaires and Submersible Junction Boxes, UL 676,

    d)    Emergency Lighting and Power Equipment, UL 924,

    e)    Stage and Studio Luminaires and Connector Strips, UL 1573,

    f)    Track Lighting Systems, UL 1574,

    g)    Luminaires, UL 1598,

    h)    Direct Plug-In Nightlights, UL 1786,

    i)    Low Voltage Landscape Lighting Systems, UL 1838,

    j)    Self-Ballasted Lamps and Lamp Adapters, UL 1993,

    k)    Luminous Egress Path Marking Systems, UL 1994, and

    l)    Low Voltage Lighting Systems, UL 2108.

    1.4 The requirements in this standard do not anticipate the following end-applications: LED equipment subject to weather (outdoor use), LED equipment installed in air handling spaces or in other environmental air spaces (plenums), LED equipment in recessed installations where direct contact with thermal insulation may occur and LED equipment used in fire rated installations. LED equipment with such end- applications is subject to additional evaluation per applicable standards.

  • 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 Reference publications
          • 3 Definitions
          • 4 Power supplies, LED Drivers, and Transformers
        • CONSTRUCTION
          • 5 Environmental Considerations
          • 6 Mechanical Construction
            • 6.1 General
            • 6.2 Metal parts
            • 6.3 Polymeric materials
            • 6.3A Metal Enclosures intended for conduit connection
            • 6.4 Enclosure openings
            • 6.5 Conductor protection
            • 6.6 Strain relief
            • 6.7 Potting compound
          • 7 Electrical Construction
            • 7.1 General
            • 7.2 Accessibility
            • 7.2A Grounding and bonding – metal enclosures intended for conduit connection
            • 7.3 Internal wiring
            • 7.4 Supply and load connections
            • 7.5 Separation of circuits
            • 7.6 Insulating materials
            • 7.7 Printed wiring boards
            • 7.8 Electrical spacings
            • 7.9 Circuit components
            • 7.10 Protective devices
            • 7.11 Coil insulation
            • 7.12 Class 2 output circuits
        • PERFORMANCE
          • 8 Performance Tests
            • 8.1 General
            • 8.2 Input test
            • 8.3 Temperature test
            • 8.4 Temperature test alcove
            • 8.5 Temperature test oven
            • 8.6 Dielectric voltage withstand test
            • 8.7 Abnormal tests
            • 8.8 Circuit power limit measurement test
            • 8.9 Leakage current measurement test
            • 8.10 Cord strain and pushback relief test
            • 8.11 Security of output terminals
            • 8.12 Insulation-piercing connection thermal cycling test
            • 8.13 Adhesive support test
            • 8.14 Environmental tests
            • 8.15 Mechanical strength tests for metal enclosures
            • 8.16 Determination of low-voltage, limited-energy circuit status
            • 8.17 Knockout secureness test
            • 8.18 Abnormal switching test
            • 8.19 Metal enclosure for conduit connection – rigidity
            • 8.20 Metal enclosure for conduit connection – snap-in or tab-mounted parts pull test
            • 8.21 Metal enclosure for conduit connection – bonding circuit impedance
            • 8.22 Metal enclosure for conduit connection – ground-screw assembly strength
          • 9 Markings
            • 9.1 General
            • 9.2 Identification and ratings
            • 9.3 Construction-related markings
    • REQUIREMENTS FOR LED DRIVERS WITH PHASE-CUT DIMMING
    • APPENDIX A