NFPA 72-2010 includes a section outlining important new requirements for voice evacuation systems. Better understand the concept of intelligibility, learn about the code changes and how they apply to notification systems.
Determining fire alarm priorities when elevator emergency phones are involved illustrates the need to sometimes fill in the blanks when situations fall outside the realm of existing codes. Having a third phone line or simply leaving it up to an AHJ are two potential solutions.
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.
Wayne Alarm Systems Technical Operations Manager James Keighley has joined the National Fire Prevention Association (NFPA) Code Committee for NFPA 72.
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.
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.
New standards for emergency communications detailed in 2010 NFPA 72 are expected to bring new business opportunities for fire installers, physical security integrators and other contractors that have the proficiency to install appliances used in mass notification systems (MNS).
A Q&A session addresses code compliance challenges associated with projected beam smoke detectors, annunciators and keypads.
Al Colombo addresses comments prompted by the September's column, "Finding Faults in Fire Systems."
Advances and changes in signal transmission technologies mean alarm monitoring providers must remain ever vigilant to stay current. An examination of FCC broadband and wireless communications initiatives spells out what security dealers and manufacturers need to know.
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.
The iconic baseball venue received a complete fire protection upgrade to accommodate system growth and new code considerations. Led by a local integrator, the sophisticated project features centralized control of all systems throughout the stadium's facilities and an emergency voice/alarm communications network.
The need for accurate, timely info has always been a problem, but recently civilian and government authorities decided it was time to do something about it.
The number of injuries and deaths due to carbon monoxide (CO) poisoning routinely increases every year as cold weather moves across the nation. The CO threat is an ever-present danger to humankind and animals. This is especially true during the winter months when it becomes necessary to use combustible heating, such as fireplaces and gas- and oil-fired furnaces.
In September's "Fire Side Chat" we talked about false alarms and how they can overwhelm public agencies, such as firefighters and police personnel, impact municipal budgets, and how end users are often fined to offset the negative monetary effects.
Society's infatuation with wireless technology didn't start with the advent of the cell phone. This love affair actually began with an invention called the radio in or about 1922. The introduction of the television simply clinched it.
In the past many signal transmission technologies have been devised in order to send alarm signals to a monitoring station with the intent of summoning a local fire brigade. Each one reflected the newest and greatest transmission technologies of its time.
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April 11, 2012 17th Annual SAMMY Awards 28 photos
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