Standard 1278, Edition 4
UL 1278

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

UL Bulletin Edition 4 Published Date: March 20, 2015 Last Revision: February 21, 2022


Summary of Topics m1042_5_20150320_sum.html

Subject 1042 (1278, 2021)

Bulletin Dated: March 20, 2015


The following topics were discussed at the meeting of the Standards Technical Panel for Electric Room Heaters and Related, STP 1042:

1. Status Report of UL 1278 Task Group - Requirements for Smart Enabled Movable and Wall-or Ceiling Hung Electric Room Heaters

2. Clarification of Heaters Requiring Cord Tag Markings in Section 69.3 of UL 1278

2A. Additional Topic Regarding Updates to the References to “Authorized Service Facility” in Cord Tag Markings and Instructions

3. Wall-mounted Heaters Located Near Ceiling Height in UL 2021

4. Miscellaneous UL 1278 Revisions

5. Additional Topic Regarding a Proposal for Polymeric Materials Enclosure Requirements in UL 1278

6. Additional Topic Regarding the Allowed Use of “S” Type Power Supply Cords vs. “H” Type Cords in UL 1278

7. Additional Topic Regarding a New Requirement for Soldering Internal Connections in UL 1278

8. Additional Topic Regarding Wire Size AWG for Internal Wiring Based on Current in UL 1278

9. Additional Topic Regarding a Previous Task Group formed for Heater Plugs

Back to Standard 1278, Edition 4

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.


You have one or more licenses to assign


Additional information required

To serve you better, please update your account details.

Featured Standards

Recently Published

Coming Soon

UL 48
Electrical Signs
Revision Pages

Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages