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Red Line
May 03, 2016

UL 1278

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

UL Red Line Edition 4 Published Date: May 03, 2016 Last Revision: September 14, 2017

Scope

ul-1278.4

Movable and Wall- or Ceiling-Hung Electric Room Heaters

UL 1278

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.

Summary of Topics s1278_4_sum.html

Summary of Topics

Revision pages have been issued for the Standard for Safety for Movable and Wall- or Ceiling-Hung Electric Room Heaters, UL 1278, to reflect the latest ANSI approval date and to incorporate the proposals dated December 11, 2015 and March 18, 2016, which include the following:

• Polymeric materials enclosure requirements.

• Wire size AWG for internal wiring based on circuit.

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