Clik here to view.
Risk Analyses, Emergency Plans Impact ECS Design
Ask the Expert with Ray Grill Ray Grill, PE, FSFPE, LEED AP, knows his way around fire and life safety design, especially when it comes to integrating mass notification (MNS) and emergency...
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Cover: The UL864 9th Edition Dramatically Affects the Fire- and Life-Safety...
New standard establishes a common platform that allows increased cost-effective retrofit flexibility. The Underwriters Laboratories’ new edition of the fire alarm controls standard may prove to be one...
View ArticleClik here to view.
Industry Update: UL Revises 1971, Signaling Devices for the Hearing Impaired
New standards cut back system failure risks. In May 2004, Underwriters Laboratories (UL) revised UL 1971, regulating how operating currents are to be measured and how voltage ranges are to be listed...
View ArticleClik here to view.
Web Exclusive – NFPA 720-2009 and UL 2705 Take Action
Are You Installing the Right Carbon Monoxide Detector? When security dealers, installers and distributors are evaluating which carbon monoxide (CO) detector to purchase, they should look for a product...
View ArticleClik here to view.
Are You Ready for the Next Evolution of Fire Detection?
Next Evolution Products: Advanced Multi-Criteria Fire Detector and CO1224T CO Detector Fire research from the 1970s remains relevant today in understanding how smoke detection saves lives. Based in...
View ArticleClik here to view.
UL Requirements for Supervising CO Sensors
UL standards precisely require that system-connected CO detectors send a trouble signal to the control panel when the CO sensor has reached its End-of-Life. UL Standard 2075, Standard for Gas and...
View ArticleClik here to view.
Why Carbon Monoxide Detectors’ Sensors Require Supervision and Replacement
All system-connected Carbon Monoxide (CO) detectors contain a limited-life gas sensor. Underwriters Laboratories (UL) mandates the detector to electronically supervise the sensor so that when the...
View ArticleClik here to view.
Cover: The UL864 9th Edition Dramatically Affects the Fire- and Life-Safety...
New standard establishes a common platform that allows increased cost-effective retrofit flexibility. The Underwriters Laboratories’ new edition of the fire alarm controls standard may prove to be one...
View ArticleClik here to view.
Industry Update: UL Revises 1971, Signaling Devices for the Hearing Impaired
New standards cut back system failure risks. In May 2004, Underwriters Laboratories (UL) revised UL 1971, regulating how operating currents are to be measured and how voltage ranges are to be listed...
View ArticleClik here to view.
Web Exclusive – NFPA 720-2009 and UL 2705 Take Action
Are You Installing the Right Carbon Monoxide Detector? When security dealers, installers and distributors are evaluating which carbon monoxide (CO) detector to purchase, they should look for a product...
View ArticleClik here to view.
Are You Ready for the Next Evolution of Fire Detection?
Next Evolution Products: Advanced Multi-Criteria Fire Detector and CO1224T CO Detector Fire research from the 1970s remains relevant today in understanding how smoke detection saves lives. Based in...
View ArticleClik here to view.
UL Requirements for Supervising CO Sensors
UL standards precisely require that system-connected CO detectors send a trouble signal to the control panel when the CO sensor has reached its End-of-Life. UL Standard 2075, Standard for Gas and...
View ArticleClik here to view.
Why Carbon Monoxide Detectors’ Sensors Require Supervision and Replacement
All system-connected Carbon Monoxide (CO) detectors contain a limited-life gas sensor. Underwriters Laboratories (UL) mandates the detector to electronically supervise the sensor so that when the...
View Article
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