UPDATE: 2/19/16 I received notification from a reader regarding a new UL 2196 rated CIC cable available from Radix . This is an 18 AWG cable that features two Oxygen-Free Bare Copper (OFBC) conductors insulated with ceramifiable silicone rubber, an aluminum/aramid shield, a 22 AWG solid TC drain wire and low smoke zero halogen FRPE red [Read More]
Elevator Recall Integration with Fire Alarm Systems
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What is elevator recall? When is it required? When should it be integrated with a fire alarm system? How is that accomplished? These are a few of the many questions both elevator and electrical contractors have when elevator work is performed. With the constantly changing technologies and capabilities of elevator control and fire alarm systems, [Read More]
What is Fire Alarm Audibility?
The biggest obstacle to getting occupancy of a completed construction project is getting approval from the fire department. Of all the items checked by the fire department inspector, the biggest concern and hardest to rectify if not compliant is the level of occupant notification in event of a fire alarm activation. If occupants can’t hear [Read More]
Can I Use Fire Alarm Speakers For General Paging?
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The trend in providing today’s building services such as fire alarm and overhead paging is to install them on a common system. Not only does it simplify interaction with these systems since the end user uses one control unit, but it saves money by not having to install and maintain two separate voice systems. Whether or not you [Read More]
Using Wireless Smoke Detectors With Fire Alarm Systems
The newest development coming out of the various fire alarm manufacturers is wireless smoke detectors and control/monitor devices. These UL 268 and UL 864 approved devices can be programmed to act like a stand alone, battery powered smoke detector with the added benefit of being supervised for proper operation and without having to replace the batteries every [Read More]
Does a Renovation Project Change Elevator Recall Requirements?
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We frequently get questions about whether an office buildout/renovation changes the existing elevator recall sequence or mandates it if there is no recall. The simple answer is that if the elevator equipment is not substantially altered after its installation, the requirements applicable at the time of installation remain in force. Whether or not the space [Read More]
Are Sprinklers Required Above False Ceilings?
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We’re not a sprinkler contractor, but we frequently coordinate sprinker installations with fire alarm installations. Many design professionals want a single point of contact to ask life safety questions, so I get asked a lot of questions regarding sprinkler requirements. Here’s one that I researched the answer for: Q: Are sprinklers required above false ceilings? I have read through [Read More]
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