Elevators are like a proverbial double-edged sword — on the one hand they save a lot of time ...
By Al Colombo · January 31, 2009
Q: I have been heard that one should be careful at replacing standard Alkaline 9 volt batteries in smoke detectors with 9-volt Lithium batteries. To me it would seem that the Lithium battery would last a longer time so what is the problem?
August 31, 2008
Last month, we discussed some of the ins and outs associated with the installation of automatic smoke detectors. This month, my goal is to cover testing — including the sometimes misunderstood sensitivity, or ...
March 31, 2008
Residential fire accounts for the vast majority of fire deaths. One of the most powerful tools at the disposal of each and every homeowner is the automatic smoke alarm ...
February 29, 2008
Last month we talked about the many ways fire and burglar alarm technicians use relays. We covered some of the code compliance issues associated with their use as well as how to ...
January 31, 2008
Can you please tell me what code says about an alarm installer’s responsibility where it comes to installing a full complement of automatic smoke detectors in ...
September 30, 2007
Fire alarm systems are basically used in four different ways: to detect fires, respond to the manual activation of a fire alarm device, monitor signals from other fire-related systems and alert the building occupants to evacuate the building, and to alert off-site authorities so they may respond to the situation.
April 30, 2007
System Sensor of St. Charles, Ill., releases the single-ended, reflection-type BEAM200 smoke detector for open area protection, providing early warning of a potential fire.
SSI Staff · August 31, 2006
October 31, 2005
The control of fire safety in a burning building is an extremely important part of the fire detection mission. Last month, we talked about ancillary relays, smoke detectors and door release as a function of smoke control.
July 31, 2005