UL 2127 BULLETIN-2012
UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: JUNE 18@ 2012)

Standard No.

UL 2127 BULLETIN-2012

Release Date

2012

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2017-05

Replace By

UL 2127 BULLETIN-2013

Latest

UL 2127-2021

Scope

These requirements cover the construction and operation of inert gas clean agent fire extinguishing system units intended to be installed@ inspected@ tested@ and maintained in accordance with the Standard for Clean Agent Fire Extinguishing Systems@ NFPA 2001.A product that contains features@ characteristics@ components@ materials@ or systems new or different from those covered by the requirements in this standard@ and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features@ characteristics@ components@ materials@ or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development@ revision@ and implementation of this standard.

UL 2127 BULLETIN-2012 history

• 1970 UL 2127-2021 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units
• 2018 UL 2127 CRD-2018 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units - Section / Paragraph Reference: 52 Subject: Aging Tests - Plastic Materials (Edition 3: May 9@ 2017)
• 2018 UL 2127 BULLETIN-2018 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: AUGUST 2@ 2018)
• 2017 UL 2127 BULLETIN-2017 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: NOVEMBER 14@ 2017)
• 2017 UL 2127-2017 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (Third Edition)
• 2016 UL 2127 BULLETIN-2016 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: FEBRUARY 10@ 2016)
• 2015 UL 2127 BULLETIN-2015 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: JULY 2@ 2015)
• 2014 UL 2127 CRD-2014 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units - Section / Paragraph Reference: 9.5.1, 9.5.1.1, 59.2j Subject: Removal of electric actuators (Edition 2: July 13, 2012)
• 2014 UL 2127 BULLETIN-2014 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: AUGUST 25@ 2014)
• 2013 UL 2127 BULLETIN-2013 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: DECEMBER 23@ 2013)
• 2012 UL 2127 BULLETIN-2012 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (COMMENTS DUE: JUNE 18@ 2012)
• 2012 UL 2127-2012 UL Standard for Safety Inert Gas Clean Agent Extinguishing System Units (Second Edition; Reprint with Revisions Through and Including May 29, 2015)
• 2001 UL 2127 BULLETINS-2001 3/19/2001 (2p), 2/9/2001 (4p)
• 1999 UL 2127-1999 UL Standard for Safety Standard for Inert Gas Clean Agent Extinguishing System Units First Edition; Reprint with Revisions Through and Including 3/22/2001