All fire alarm contractors should be aware of the requirements set forth in UL864, 9th Edition, for qualifying fire detection equipment as UL certified. Underwriter’s Laboratories (UL), is an American safety and certification company, recognized globally for examining and applying Certification Marks for products that pass their testing and inspection …
The Chicago’s Shakespeare Theater came to Navy Pier in 1999 after performing at the Ruth Page Theater since 1986. Since then they have offered over 650 performances that are available year-round. They engage and cater to local students and guests from around the world. Last year they unveiled The Yard …
CM-E1 CM-E1 is a low voltage Carbon Monoxide (CO) detector that is designed to connect to an UL Listed Fire Alarm/Burglar Control Panel. UL standard 2075 for the Safety for Gas, Vapor Detector and Sensors. Also tested to UL 2075 using UL 2034 Sensitivity limits for carbon monoxide gas. CM-6 …
You must pay attention to trouble signals resulting from ground fault error messages. Even though your fire panel is working under this condition it is subject to internal electronic failure-no fault of the equipment. There are many reasons why fire alarm system wiring is monitored for ground fault. Here are …
Aspirating smoke detection is a very reliable method of detecting smoke by using a sophisticated detector that recognizes the existence of smoke particles suspended in the air. An aspirating smoke detector (ASD), also called an air sampling smoke detector, will typically detect smoke before that is invisible to the naked …
Notifier offers four different monitor modules all of which address a variety of applications. The FMM-1 is a standard sized 4×4 monitor module that fits in a standard 4×4 electrical box. This monitor module provides either a two or four-wire supervision with supervision distances up to 300 feet of wire. …
It is important to know the difference between Proprietary and Nonproprietary, especially regarding your fire, life and safety system. Proprietary might sound prestigious, but all that really means is that you will be tied into a long term relationship with your “proprietary” fire alarm service provider. What if that system …
When your fire alarm control panel reveals a ground fault, it must be addressed immediately by a licensed and certified fire alarm repair technician. Only qualified repair technicians should troubleshoot or make repairs to energized circuits! Do not leave your fire protection in a vulnerable or inoperable state due to …
I am often asked do I need conduit when installing fire alarm wiring? Depends. This is getting more difficult to answer. A couple of basic rules to help get started. When working in the City of Chicago and when the project is documented as “required” fire alarm system, then the …
We are currently providing an all-around Life Safety solution for the new IDOT Rockford location. This job is proving to be typical in today’s demand to provide an all-inclusive command center for first responders of all types. There are many coordinating factors about this job that must be taken into …
