UL SUBJECT 1254E-2019
Outline of Investigation for Dry Chemical Extinguishing System Units@ Engineered Type (Issue 2)

Standard No.

UL SUBJECT 1254E-2019

Release Date

2019

Published By

Underwriters Laboratories (UL)

Latest

UL SUBJECT 1254E-2019

Scope

These requirements cover the construction and operation of dry chemical extinguishing system units@ engineered type. Dry chemical extinguishing system units@ engineered type@ are intended to be designed@ installed@ inspected@ maintained@ and tested in accordance with the Standard for Dry Chemical Extinguishing Systems@ NFPA 17.

UL SUBJECT 1254E-2019 history

• 2019 UL SUBJECT 1254E-2019 Outline of Investigation for Dry Chemical Extinguishing System Units@ Engineered Type (Issue 2)
• 2018 UL SUBJECT 1254E-2018 Outline of Investigation for Dry Chemical Extinguishing System Units@ Engineered Type (Issue 1)