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

UL-1990 - 1ST EDITION - SUPERSEDED
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Standard for Nonmetallic Underground Conduit with Conductors


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Document Number

UL-1990

Revision Level

1ST EDITION

Status

Superseded

Publication Date

April 30, 1998

Page Count

24 pages