Voltage drop is critical to the proper operation of devices attached to a fire alarm system. Nowhere is this as true as with notification appliance circuits (NACs) that connect to a fire alarm control panel. Seven steps show how to do the calculations.
July 14, 2011
Combination fire-intrusion alarm systems are a viable life-safety and security solution, providing they adhere to NFPA guidelines. Key considerations include nothing impeding the fire detection function and that it also supercedes security alarm signaling.
June 22, 2011
Backed with the mandates set forth by codes and bolstered with new technologies, the fire/life-safety market offers robust sales opportunities. Success is predicated on deriving necessary state and local credentials, and knowing the local building authority’s requirements and procedures ...
By Al Colombo · May 15, 2011
Proper fire detection is essential not only for life safety but also to avoid false alarms or system malfunctions that could cost the business a bundle. In particular, this holds true for financial institutions ...
By Al Colombo · March 20, 2011
Though not as quick to migrate to IT network signal transmission as other systems installed by security contractors, fire/life safety is nevertheless following suit. Find out the latest technology and code developments in this emerging area.
By Al Colombo · February 13, 2011
Maintaining power is one of the foundations of any fire/life-safety system. Find out the codes, standards and calculations you need to know to make sure batteries deliver when needed.
By Al Colombo · January 11, 2011
A Q&A session addresses code compliance challenges associated with projected beam smoke detectors, annunciators and keypads.
By Al Colombo · December 06, 2010
Al Colombo addresses comments prompted by the September's column, "Finding Faults in Fire Systems."
By Al Colombo · October 31, 2010
Al Colombo discusses the simple -- yet vital -- steps to better ladder safety.
By Al Colombo · September 28, 2010
Of all the troubles that fire alarm technicians are likely to encounter, ground-faults are one of the most difficult to locate and fix. When a ground-fault does occur in a fire alarm system, any number of things can take place.
August 31, 2010