Standard 2021, Edition 4
UL 2021

Fixed and Location-Dedicated Electric Room Heaters

UL Standard Edition 4 Published Date: September 30, 2015 Last Revision: February 02, 2021 ANSI Approved: February 02, 2021

$798.00-$1,990.00

Revisions and Related Documents

Revisions
Red Line Std. (4)

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February 02, 2021 Redline Revision
December 14, 2016 Redline Revision
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Proposals (3)

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  • A new Standard or Outline that has not previously been published.

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November 06, 2020
October 28, 2016
June 10, 2016
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UL LLC CRD (0)

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Other Updates (1)

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Bulletin   

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Summary of Topics (SOT)
March 08, 2016 View
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Referenced Standards (48)

Below is a list of UL Standards referenced in UL 2021

StandardEditionTitle
20 14 General-Use Snap Switches
44 19 Thermoset-Insulated Wires and Cables
62 20 Flexible Cords and Cables
83 16 Standard for Thermoplastic-Insulated Wires and Cables
224 7 Extruded Insulating Tubing
310 10 Electrical Quick-Connect Terminals
486C 8 Splicing Wire Connectors
486E 6 Equipment Wiring Terminals for Use with Aluminum and/or Copper Conductors
489 13 Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures
489A 1 Circuit Breakers for Use in Communications Equipment
498 16 Attachment Plugs and Receptacles
499 14 Electric Heating Appliances
508 19 Standard for Industrial Control Equipment
510 10 Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape
635 3 Insulating Bushings
746B 5 Polymeric Materials - Long Term Property Evaluations
746C 7 Polymeric Materials - Use in Electrical Equipment Evaluations
758 3 Appliance Wiring Material
773A 6 Nonindustrial Photoelectric Switches for Lighting Control
796 12 Printed Wiring Boards
817 12 Cord Sets and Power-Supply Cords
917 5 Standard for Clock-Operated Switches
943 5 Ground-Fault Circuit-Interrupters
991 3 Standard for Tests for Safety-Related Controls Employing Solid-State Devices
1030 8 Sheathed Heating Elements
1059 6 Terminal Blocks
1411 7 Transformers and Motor Transformers for Use in Audio-, Radio-, and Television-Type Appliances
1441 5 Coated Electrical Sleeving
1446 8 Systems of Insulating Materials - General
1565 6 Positioning Devices
1577 5 Optical Isolators
1977 4 Component Connectors for Use in Data, Signal, Control and Power Applications
1998 3 Software in Programmable Components
2459 1 Insulated Multi-Pole Splicing Wire Connectors
248-1 4 Low-Voltage Fuses - Part 1: General Requirements
248-5 2 Low-Voltage Fuses - Part 5: Class G Fuses
1004-1 2 Rotating Electrical Machines - General Requirements
4248-1 3 Fuseholders - Part 1: General Requirements
4248-9 1 Standard for Fuseholders - Part 9: Class K
5085-1 1 Low Voltage Transformers - Part 1: General Requirements
5085-2 2 Low Voltage Transformers - Part 2: General Purpose Transformers
486A-486B 3 Wire Connectors
60730-1 6 Automatic Electrical Controls - Part 1: General Requirements
61058-1 5 Switches for Appliances - Part 1: General Requirements
60730-2-6 3 Automatic Electrical Controls - Part 2-6: Particular Requirements for Automatic Electrical Pressure Sensing Controls Including Mechanical Requirements
60730-2-7 3 Automatic Electrical Controls - Part 2-7: Particular Requirements for Timers and Time Switches
61800-5-1 2 Adjustable Speed Electrical Power Drive Systems - Part 5-1: Safety Requirements - Electrical, Thermal and Energy
60730-2-15 3 Automatic Electrical Controls - Part 2-15: Particular Requirements for Automatic Electrical Air Flow, Water Flow and Water Level Sensing Controls
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Reverse Referenced Standards (2)

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