## Fire Alarm

Informative blog about fire alarm installation practices. Blog includes practice tests, installation sheets, and industry trade secrets for fire alarm, security, cctv and low voltage systems.

Owner: pyrotech88

Language: English

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### Latest Blog Posts for Fire Alarm

• Fire Alarm Pull Stations in R-1 OccupanciesPursuant to section 1006.2.1.2 of the California Fire Code - 2001 Edition, manual fire alarm pull stations are not required in new R-1, Division 1 occupancies that are provided with photoelectric smoke detectors or ion smoke detectors in the interior...
• Fire Alarm Pull Station Glass Rod ReplacementHere is a very basic step by step guide on replacing the glass rod on an Edwards Systems Technology (EST) addressable fire alarm pull station.  This is intended for building engineers and maintenance personnel.Step #1:  Using a small flat h...
• How to Bypass Devices on a Fire Lite Alarm Panel MS-9200When performing annual fire alarm testing on a Fire Lite Alarm panel MS-9200 it makes sense to bypass your NAC circuits with notification devices until to end of the test.  I also recommend bypassing all of the relays that control dampers, air s...
• Kirchoff's Voltage Law
on Apr 16, 2010 in Kirchoff's Voltage Law
The definition of Kirchoff's Voltage Law is as follows:The algebraic sum of the changes in potential across all the elements around any closed circuit loop must be zero.  The Voltage drops are negative (following a current through a resistor), a...
• Ohm's Law
on Apr 16, 2010 in Ohm's Law
The definition of Ohm's Law is as follows:Ohm's Law is a simple relation between the current, voltage, and resistance in a circuit.  The Current, Voltage and Resistance are interdependant.  If two quantities are known, the third can be foun...
• Kirchoff's Current Law
on Apr 16, 2010 in Kirchoff's Current Law
The definition of Kirchoff's Current Law is as follows:  The sum of the currents entering a junction is equal to the sum of the currents leaving the junction.  Kirchoff's Current Law is the statement of current conservation.  If all cu...
• Myers Hub for Ridgid Conduit (Meyers Hub)
on Apr 14, 2010 in Myers Hub
The Meyers Hub commonly mispelled as the Myers Hub is simply defined as a hub normally used to connect ridgid conduit to an enclosure in watertight, dusttight, and hazerdous locations.Questions in regards to the Myers Hub or Meyers Hub are those...
• Grounding and Bonding
on Apr 11, 2010 in Grounding and Bonding
What is grounding and bonding? Grounding and bonding is probably the most discussed issue with the California State Fire Life Safety Technician Exam. The following is based on a solidly grounded conventional wiring system. The terms are defined in Ar...
• Hyperterminal Connection to the FCI E3 Series Addressable Fire Alarm Panel
on Apr 10, 2010 in FCI E3 with Hyperterminal
Unfortunately the LCD-80 alarm annunciator on the FCI E3 series addressable fire alarm system only shows 80 characters. Now this may seem like a lot but in reality, this limited amount of data makes it hard to read when performing your annual fire al...
• Integrating Elevators and Addressable Fire Alarm Systems
on Apr 8, 2010 in Elevator Interface
In this post I will be briefly explaining the different aspects of a passenger elevator and or fright elevator with a new or existing addressable fire alarm system. Now a day it is almost a standard factor in installing a new fire alarm system. When...