UL-1821 › Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

UL-1821 - CHANGE 05/17 - CURRENT
Show Complete Document History

Included in this current edition are the following subparts:

 CHANGE 05/17 - May 5, 2017
 4TH EDITION - July 30, 2019


ORDER

Want this as a site license?



Document Number

UL-1821

Revision Level

CHANGE 05/17

Status

Current

Publication Date

May 5, 2017