UL-1990 › Historical Revision Information
Standard for Nonmetallic Underground Conduit with Conductors

UL-1990 - 4TH EDITION - CURRENT
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Standard for Nonmetallic Underground Conduit with Conductors


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Document Number

UL-1990

Revision Level

4TH EDITION

Status

Current

Publication Date

May 10, 2023

Page Count

12 pages