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NFPA\u003Cbr>72-2010\u003Cbr>Instructor: Thomas Mason, P.E.\u003Cbr>2026\u003Cbr>PDH Online • PDH Central\u003Cbr>9820 Bucklow Hill Dr\u003Cbr>Orlando, FL 32832-7126\u003Cbr>[info@PDHonline.com](info@PDHonline.com)\u003Cbr>[PDHonline.com](PDHonline.com)\u003Cbr>[PDHonline.org](PDHonline.org)\u003Cbr>An Approved Continuing Education Provider |\n\n\n| [www.PDHonline.com](www.PDHonline.com) PDH Course E341 [www.PDHonline.org](www.PDHonline.org)\u003Cbr>COURSE CONTENT\u003Cbr>A fire alarm system has a number of essential components, whether protecting a historic jail in a park, a high-rise apartment building, a school, an office building, a retail business or a factory. Some essential components and fire alarm nomenclature are illustrated below: |  |\n| --- | --- |\n| STROBE \u003Cbr>\u003Cbr>SPRINKLER SMOKE HEAD DETECTOR EXHAUST HOOD STROBE/HORN\u003Cbr>OR \u003Cbr>HO \u003Cbr>HO ~~ ~~ ANSUL SPEAKER/HORN SYSTEM CORRIDOR \u003Cbr>ANNUNCIATOR\u003Cbr>PULL STATION SD\u003Cbr>P \u003Cbr>FLOW SWITCH  \u003Cbr>\u003Cbr>TAMPER SWITCH ~~ ~~\u003Cbr>UTILITY ROOM\u003Cbr>\u003Cbr> P \u003Cbr>\u003Cbr>\u003Cbr>P\u003Cbr>PULL STATION\u003Cbr>\u003Cbr>OUTSIDE DOOR\u003Cbr>FIRE ALARM SYSTEM | SPRINKLER BELL |\n| Revised 6/09, 64kW\u003Cbr>\u003Cbr>Where:\u003Cbr>Sprinkler head = mechanical device to release a spray of water into the space\u003Cbr>Smoke detector = electrical device to signal the presence of smoke, part of the general group,“initiation devices”\u003Cbr>©Thomas Mason Page 2 of 38 |  |\n\n[www.PDHonline.com](www.PDHonline.com) PDH Course E341 [www.PDHonline.org](www.PDHonline.org)  \nho = magnetic door hold = electrical device to hold door open; releases upon alarm, usually connected to the group,“supervisory devices”  \nheat detector = electrical device to signal a high temperature or a rapid rise in temperature, part of the general group,“initiation devices”  \npull station = electrical device to permit manual initiation of alarm abort switch = electrical device to delay discharge of local suppressant  \nflow switch = electrical device to signal operation of the sprinkler system, part of the group,“initiation devices”  \ntamper switch = electrical device to signal that the valve is not “full open”, part of the group,“supervisory devices”  \nstrobe/horn = electrical device providing visual and audible indication of alarm, part of the group,“notification devices”  \nstrobe/speaker = electrical device providing visual and audible indication of alarm, part of the group,“notification devices”  \nfire alarm control unit (formerly, fire alarm control panel) central device and logic  \nfor the fire alarm system, usually contains 24-V batteries  \nannunciator = electrical device for visual report of location of alarm initiation sprinkler bell = electrical device for audible report of sprinkler operation outdoor strobe = electrical device for visual report of which building is in alarm Ansul = brand name (Tyco) of a powder local fire suppression system, usually  \nconnected to the group,“supervisory devices”, used mostly for kitchen hoods  \nHalon = brand name (Tyco) of a gasseous local fire suppression system, usually connected to the group,“supervisory devices”, used mostly for computer rooms  \nHVAC = mechanical heating, ventilation and air conditioning equipment that must be stopped by the fire alarm in a computer room or other occupancy  \nUPS = electric power distribution unit for computer equipment which must be stopped by the fire alarm in a computer room  \nslice server = very high density computer equipment; 19 cards per rack shelf, 4 or more processors per card  \nmag lock = electric device in the security system, connected to the group,“notification devices”, may be fail-safe or fail-secure  \nelevator = normal path of egress, usually safely shutdown during alarm by auxiliary relay in the group,“notification devices”  \nfire pump, city shut-off valve = not shown, sometimes present as part of the sprinkler design, have supervisory connections to the fire alarm system  \nBuilding classification and Architect design responsibilities. The illustration above intr","cbCaim3Y4y5HYjZr","https://ap.wps.com/l/cbCaim3Y4y5HYjZr","pdf",893305,38,"English","# Course Content\n## Fire alarm system components and nomenclature\n## When a fire alarm is required and design compliance\n## Building codes, building classification, and architect responsibilities\n## Occupancy considerations and device count\n## Standard terms, abbreviations, and symbol legends","[{\"question\":\"What essential components are covered in the fire alarm system overview?\",\"answer\":\"The course introduces core fire alarm components and related devices, including detectors, strobe/horn or strobe/speaker notifications, control units, annunciators, switches, and suppression-related interfaces.\"},{\"question\":\"How does the course frame the key design question of whether a fire alarm is required?\",\"answer\":\"It presents “Is a fire alarm required?” followed by “What type of fire alarm is required?” based on interpretation of controlling Building Codes against the facility and project scope.\"},{\"question\":\"What caution is given if the Building Code does not require a fire alarm but the owner installs one anyway?\",\"answer\":\"The course warns that even if not required, the installed system MUST COMPLY with the Fire Alarm Code.\"}]","PDH Course E341 - Design to the Fire Alarm Code, NFPA 72-2010 | PDF",96]