UL 1278
Standard for Movable and Wall- or Ceiling-Hung Electric Room Heaters

DETAILS
Edition Number:4SCC Approved:--
Edition Date:2014-03-21DOD Approved: --
Price Code:DANSI Approved: 2018-08-20
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover movable and wall- or ceiling-hung electric room-heating equipment rated 600 volts or less to be employed in ordinary locations in accordance with the National Electrical Code , ANSI/NFPA 70 .

    1.2 These requirements do not cover fixed heaters, location-dedicated heaters, baseboard heaters, duct heaters, central-heating furnaces, fan-coil units, panel- or cable-type radiant-heating equipment, electric boilers, or any other electric heating equipment or appliances that are covered in or as a part of separate, individual requirements.

  • TABLE OF CONTENTS
    Expand All

    • Cover
    • Transmittal
    • Table of Contents
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 General
            • 2.1 General
            • 2.2 Terminology
          • 3 Glossary
          • 4 Components
            • 4.1 General
            • 4.2 Attachment plugs, receptacles, connectors, and terminals
            • 4.3 Controls
            • 4.4 Internal wiring
            • 4.5 Film-coated wire (magnet wire)
            • 4.6 Printed wiring boards
            • 4.7 Semiconductors and small electronic components
            • 4.8 Supplemental insulation, insulating bushings, and assembly aids
            • 4.9 Switches
            • 4.10 Transformers
          • 5 Units of Measurement
          • 6 References
        • CONSTRUCTION
          • 7 Enclosure
          • 8 Accessibility of Live Parts
          • 9 Accessibility of Moving Parts
          • 10 Guarding of Heating Elements
            • 10.1 General
            • 10.2 Panel-type heaters
          • 11 Parts Subject to Pressure
          • 12 Polymeric Materials
          • 13 Heat Transfer Fluids
          • 14 Assembly of Components
          • 15 Protection Against Corrosion
          • 16 Supply Connections
          • 17 Special Protection Devices
          • 18 Static Load Test For Hanging Means
          • 19 Current-Carrying Parts
          • 20 Internal Wiring
            • 20.1 General
            • 20.2 Protection of wiring
            • 20.3 Wire connectors
            • 20.4 Separation of circuits
          • 21 Heating Elements
          • 22 Heating Element Supports
          • 23 Electrical Insulation
          • 24 Thermal Insulation
          • 25 Motors
          • 26 Motor Overload Protection
          • 27 Overcurrent Protection
            • 27.1 General
            • 27.2 Heating elements
            • 27.3 Motors and motor-circuits
            • 27.4 Tapped high-voltage control circuits
            • 27.5 High-voltage transformers
            • 27.6 Low-voltage transformers
          • 28 Secondary Circuits
            • 28.1 General
            • 28.2 Limited-energy-secondary circuits
          • 29 Temperature Limiting Means
          • 30 Alarms
          • 31 Lampholders
          • 32 Pilot Lights
          • 33 Switches
          • 34 Automatic Controls and Control Circuits
            • 34.1 General
            • 34.2 Terminals and actuating members of safety and temperature limiting controls
          • 35 Spacings
          • 36 Grounding
        • PERFORMANCE
          • 37 General
          • 38 Power Input Test
          • 39 Leakage Current Test
          • 40 Normal Temperature Tests
            • 40.1 General
            • 40.2 Temperature controls
            • 40.3 Specified test conditions
          • 41 Alarm Device Endurance Test
          • 42 Abnormal Operation Tests
            • 42.1 General
            • 42.2 Overvoltage test
            • 42.3 Stalled-fan test
            • 42.4 Tip-over test
            • 42.5 Vertical-wall test
            • 42.6 Terry cloth drape test
            • 42.7 Terry cloth band drape test
            • 42.8 Wall-hung heaters
            • 42.9 Abnormal ambient test
            • 42.10 Motor overload and stalled motor – motors protected by a remote protective device
            • 42.11 Impedance-protected motors
            • 42.12 Motor connected across heating elements
          • 43 Endurance Test
            • 43.1 Temperature Control
            • 43.2 Electrical wiring
          • 44 Short Circuit Tests
          • 45 Overload Test – High-Voltage Transformers
          • 46 Burnout Test – High-Voltage Transformers
          • 47 Component Failure Test
          • 48 Dielectric Voltage-Withstand Test
          • 49 Insulation Resistance Test
          • 50 Water Spray Test
          • 51 Stability of Movable Heaters
          • 52 Element Support Impact Tests
          • 53 Drop Test
          • 54 Test for Permanence of Cord Tag
            • 54.1 General
            • 54.2 Test conditions
            • 54.3 Test method
          • 55 Protection Against Injury to Persons Test
          • 56 Knob Securement Test
          • 57 Strength of Adjustment Stop Test
          • 58 Hydrostatic Test
          • 59 Strain Relief Test
          • 60 Permanence of Marking
        • MANUFACTURING AND PRODUCTION TESTS
          • 61 Production-Line Dielectric Voltage-Withstand
          • 62 Production-Line Grounding Continuity
          • 63 Production-Line Tip Over
          • 64 Production Leakage Test (Fluid-Filled Heaters)
          • 65 Hydrostatic Test
        • RATINGS
          • 66 Details
        • MARKINGS
          • 67 Details
          • 68 Instructions for Use and Care
            • 68.1 General
            • 68.2 Important instructions
            • 68.3 User instructions
            • 68.4 Grounding instructions
            • 68.5 Heater carton information
          • 69 Cord Tag Markings
    • CONNECTED HEATERS