UL-2021 › Historical Revision Information
Standard for Fixed and Location-Dedicated Electric Room Heaters

UL-2021 - 4TH EDITION - CURRENT
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Standard for Fixed and Location-Dedicated Electric Room Heaters


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Document Number

UL-2021

Revision Level

4TH EDITION

Status

Current

Publication Date

Sept. 30, 2015

Page Count

140 pages