UL 514C
Standard for Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers

DETAILS
Edition Number:4SCC Approved:--
Edition Date:2014-04-08DOD Approved: 1989-08-17
Price Code:AANSI Approved: 2014-12-10
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover nonmetallic outlet boxes, conduit bodies, flush-device boxes, extension rings, covers, floor boxes, floor nozzles, and concrete boxes to be employed in accordance with the National Electrical Code, NFPA 70.

    1.2 These requirements do not cover boxes and covers for use in hazardous locations as defined in the National Electrical Code, NFPA 70.

    1.3 These requirements do not cover cabinets and cutout boxes.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Terminology
          • 3 Glossary
          • 4 Units of Measurement
          • 4A Normative References
        • BOXES AND COVERS
          • CONSTRUCTION
          • 5 General
            • 5.1 All boxes and covers
            • 5.2 Boxes and covers intended for use with nonmetallic-sheathed cable or open wiring
            • 5.3 Boxes and covers intended for use with rigid nonmetallic conduit
            • 5.4 Nonmetallic outlet box covers for use in damp and wet locations
            • 5.5 Boxes and covers intended for use with electrical nonmetallic tubing
          • 6 Protection Against Corrosion
          • 7 Assembly
          • 8 Dimensions
          • 9 Device Support
          • 10 Floor Boxes
          • 11 Ceiling-Suspended Fan Support
          • 12 Partitions
          • PERFORMANCE
          • 13 General
          • 14 Protection Against Corrosion
          • 15 Volume Verification Test
          • 16 Scrub-Water Exclusion Test
          • 17 Floor Box and Cover Loading Test
          • 18 Support for Floor Boxes
        • BOXES INTENDED FOR USE WITH NONMETALLIC-SHEATHED CABLE OR OPEN WIRING
          • CONSTRUCTION
          • 19 Materials
          • PERFORMANCE
          • 20 Hot-Wire Ignition
          • 21 Dielectric Voltage Withstand
        • BOXES INTENDED FOR USE WITH NONMETALLIC-SHEATHED CABLE OR OPEN WIRING
          • CONSTRUCTION
          • 22 Knockouts
          • 23 Connections for Wiring Systems
          • 24 Clamps for Nonmetallic-Sheathed Cable
          • 25 Supports
          • 26 Grounding
          • 27 Extension Rings
          • 28 Box Extenders
          • PERFORMANCE
          • 29 Knockouts
          • 30 Clamps for Nonmetallic-Sheathed Cable
            • 30.1 Pull Test
            • 30.2 Assembly at Low Temperature Test
          • 31 Clamps for Flexible Nonmetallic Tubing
          • 32 Supports
            • 32.1 General
            • 32.2 Fixture/Luminaire support
            • 32.3 Ceiling-suspended fan support
            • 32.4 Boxes intended to be installed in a finished structure
            • 32.5 Boxes for support of products up to 50 pounds (22.7 kg)
            • 32.6 Polymeric supporting means
          • 33 Water Absorption
          • 34 Flammability
            • 34.1 Materials
            • 34.2 Boxes
          • 35 Mold Stress
          • 36 Resistance to Crushing
          • 37 Resistance to Impact
          • 38 Threaded or Unthreaded Holes for Screws in Molded Bosses
          • 39 Openings Employing Quick-Set Fastening Devices
        • COVERS FOR BOXES INTENDED FOR USE WITH NONMETALLIC-SHEATHED CABLE OR OPEN WIRING
          • CONSTRUCTION
          • 40 Materials
            • 40.1 General
            • 40.2 Relative thermal index
          • 41 Holes in Outlet Box Covers
          • PERFORMANCE
          • 42 Flammability
          • 43 Outlet Box Covers for Support of a Device
        • NONMETALLIC OUTLET BOX COVERS FOR USE IN DAMP AND WET LOCATIONS
          • CONSTRUCTION
          • 44 General
          • 45 Protection Against Corrosion
          • 46 Relative Thermal Index of Materials
          • 47 Gaskets
          • 48 Installation of Receptacles
          • PERFORMANCE
          • 49 General
          • 50 Sealing Compound
          • 51 Gaskets
          • 52 Resistance to Moisture
            • 52.1 General
            • 52.2 Assemblies for use in wet locations and wet locations with cover closed
            • 52.3 Assemblies for use in wet locations
          • 53 Resistance to Ultraviolet Light and Water
          • 54 Mold Stress
          • 55 Water Absorption
          • 56 Dielectric Voltage Withstand
          • 57 Hot-Wire Ignition
          • 58 Crushing
          • 59 Impact
          • 60 Flammability
        • BOXES INTENDED FOR USE WITH ELECTRICAL NONMETALLIC TUBING
          • CONSTRUCTION
          • 61 General
          • PERFORMANCE
          • 62 General
        • COVERS INTENDED FOR USE WITH BOXES INTENDED FOR USE WITH ELECTRICAL NONMETALLIC TUBING
          • CONSTRUCTION
          • 63 General
          • PERFORMANCE
          • 64 General
        • BOXES AND COVERS INTENDED FOR USE WITH RIGID NONMETALLIC CONDUIT
          • CONSTRUCTION
          • 65 General
          • 66 Bodies, Boxes, and Covers
            • 66.1 General
            • 66.2 Thickness
            • 66.3 Connections for conduit
            • 66.4 Covers
          • 67 Boxes Intended for Use in Wet Locations
          • 68 Conduit Bodies
          • PERFORMANCE
          • 69 General
          • 70 Knockouts
          • 71 Supports
          • 72 Closures
          • 73 Water Absorption
          • 74 Flame-Retardant Properties
          • 75 Heat Distortion
          • 76 Extrusion or Molding Process
          • 77 Physical Properties
            • 77.1 General
            • 77.2 Preparation of specimens
            • 77.3 Test method
          • 78 Identification Tests
          • 79 Flexural Strength
          • 80 Resistance to Crushing
          • 81 Low-Temperature Handling
          • 82 Resistance to Impact
          • 83 Bending
          • 84 Pull Out
          • 85 Resistance to Specific Reagents
          • 86 Wet Locations
          • 87 Concrete Tightness
        • FLOOR NOZZLES
          • CONSTRUCTION
          • 88 Materials
            • 88.1 General
            • 88.2 Relative thermal index
          • PERFORMANCE
          • 89 General
          • 90 Resistance to Impact
          • 91 Resistance to Crushing
        • MARKING
          • 92 Details
            • 92.1 General
            • 92.2 Boxes intended for use with nonmetallic-sheathed cable or open wiring
            • 92.3 Boxes intended for use with rigid nonmetallic conduit
            • 92.4 Outlet box covers for use in wet and damp locations
            • 92.5 Boxes intended for use with electrical nonmetallic tubing
            • 92.6 Assemblies encompassing receptacles and nonmetallic covers
          • 93 Instructions
    • NONMETALLIC BOXES FOR INSTALLATION IN FIRE RESISTANCE RATED WALL AND PARTITION ASSEMBLIES