Fire Alarm Flashcards by Michael Capaldo

What is the recommended coded signal designation for a building supervisory signal from the basement?

3 - 1 tempora

10.12.2

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Prior to the installation or alteration of fire alarm equipment or wiring, what governing authority must be notified?

The authority having jurisdiction
“AHJ”
10.20.2

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How long must maintenance,inspection and testing records for FA system be maintained for?

Until the next test and for 1 year after.

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Splices or joints in a public FA reporting system conductors shall:

be permitted in listed boxes

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An auxiliary FA system which is connected through the municipal FA system to the fire service communications center shall be which of the following types?

Local energy and shunt

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A FA system shall incorporate how many independent and reliable power supplies?

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What is the maximum number of SMOKE alarms(initiating devices) that may be interconnected where the interconnecting means is SUPERVISED in dwellings?

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Unless specifically designed and listed for the conditions, smoke detectors shall not be installed in which of the following ambient conditions?

Temperatures above 100 degrees F

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How long after an initiating device activates must the alarm notification appliances begin annunciation at the protected premises

10 seconds

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Smoke detectors installed in single family dwellings shall be replaced at what intervals?

10 years

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How many visible notification appliances shall be located in a corridor that is 200 feet long?

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FA wiring inside buildings including circuits and disconnecting means shall be identified by the use of which of the following?

Red covers or doors,red markings, “public fire alarm circuit” markings

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In order to monitor the circuit integrity of a FA system loop, interruption due to a bad connection at a device is expected to send a trouble signal to the FA control panel. in order to assure a trouble signal is sent,two and four wire detector connections must employ which of the following in order to be considered a supervised circuit?

Duplicate terminals

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The maximum number of unmonitored small alarm devices that can be interconnected is.?

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The number of initiating devices that can be interconnected on a household fire alarm system is.?

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A Carbon monoxide detector shall be located within 10 ft from a bedroom door.

10 ft

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The maximum number of UNMONITORED small alarm devices that can be interconnected is.?

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By code a ceiling is a level ceiling if the slope is

Equal to or less than 1 in 8

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Fire alarm equipment shall be designed so that it is capable of performing at ambient temperature of a minimum of ?

32 degrees and a maximum of 120 degrees.

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What is the lowest range of heat detector ?

100- degrees F

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Transformers and other devices supplied from the power supply conductors supplying power to a power limited fire alarm panel. Shall be protected by an overcurrent device rated not over ?

20Amps.

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When an audible notification appliance is in a sleeping area of a college dorm. They shall have a sound level of 10 db above ambient sound level and minimum output of 75db.

No Answer just statement

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What is the maximum number of HEAT alarms (initiating devices) that may be interconnected where the interconnecting means is not supervised in a dwelling?

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Which fire alarm circuit class is considered the most reliable because of its abilty to remain fully operational when a single open or ground fault?

Class A

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A fire alarm shall incorporate how many independent and reliable power supplies?

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The branch circuit overcurrent protection supplying the fire alarm system shall not exceed ?

20amps

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Fire alarm system cables exposed within 7ft (2.1m) of the floor shall be securely fastened at intervals not over

18in.

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unless specifically designed and listed for the expected conditions, smoke detectors shall not be installed if any of the following ambient conditions exist:

temperature below 32⁰F (0⁰C)
temperature above 100⁰F (38⁰C
relative humidity above 93 percent )
air velocity greater than 300ft/min (1.5in/sec)

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the total sound pressure level produced by combing the ambient sound pressure level with all audible notification appliances operating shall not exceed

110 dBA at the minimum hearing distance

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NFPA 72 recommends that coverage area for a single zone should not exceed ?

22,500 square feet

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When you place smoke and heat detector on a peaked ceiling, you should measure

3ft horizontally from peak in both directions

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Smoke detectors installed within 20ft of kitchens are required to be ?

photo electric detectors

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Typical single family home you need to have at least one smoke installed for every ?

1,200 square feet

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Smoke detectors installed on a wall, no portion of these detectors should be installed within

4” of the ceiling

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Wall mount visual notification must be mounted between

80 and 96” from floor level

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Wall mounted notification devices should be located such that the top of it is at least ?

6” below ceiling

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Max ceiling height of visual notification ?

30ft

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How far can you run a bell on 18awg.?

75ft

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How far can you run a bell on 16 awg.?

150ft

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What is the lowest fixed temp for a heat detector

100⁰

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Which of the following defines the purpose of the NFPA-72?

It establishes levels of performance, It defines the means of signal initiation and it determines the reliability of the various systems

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What kind of smoke detector would be best suited for an air duct system because of its ability to detect large smoke particles?

Photoelectric

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The maximum ceiling temperature in Celsius for a fixed temperature heat sensing fire detector initiating device with an intermediate temperature classification shall be which of the following?

69 degrees

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What is the recommended separation between raceways enclosing Class A outgoing in return fire alarm circuit conductors installed horizontally?

4 feet

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What is the maximum distance between manually actuated fire boxes?

200 feet

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What type of detector would best be suited to detect a smoldering embers?

Photo-Electric

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What is the minimum required sound level above ambient sound level in decibels measured at pillow level of a dwelling unit sleeping area for a FA system audible device?

15db

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According to the NFPA 72, what is the minimum number of smoke detectors required in smoke alarm system?

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What is minimum required CD rating of a visible notification appliance to comply with the standard for safety signaling devices for the hearing impaired?

15cd

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A sprinkler rated at 155 degrees F is installed in a elevator hoistway. What temperature of heat detector must be installed for elevator shutdown?

Ordinary

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What type of smoke detector detects the invisible smoke particles produced by a flaming fire the best?

Ionization detector

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In initiating detector should not be located in the direct airflow of an HVAC duct or plenum or within how many feet of the air supply diffuser or return air opening?

3 feet

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A digital alarm communication transmitter (DACT) used with a supervising station fire alarm system shall be tested at what interval after initial re acceptance?

Annually

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The installation of fire alarm system wiring, cables, and alarm equipment shall be in accordance with which of the following?

NEC NFPA-70, NFPA-72 and listing or labeling

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The storage batteries used as a source of power for a emergency systems. Shall be of suitable rating and capacity to supply and maintain the total load for a minimum of .?

90 Min

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The number of initiating devices that can be interconnected on a household fire alarm system is.?

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The safety margin required when sizing a battery bank for a second power is.?

20 %

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The maximum number of unmonitored small alarm devices that can be interconnected is.?

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A system installer as listed in NEFA 72 must be supervised by a qualified person. Qualified person shall include but not limited to all but one of the following

Installing company trained and tested

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What is/are the minimum number of conductors of a DACT (digital alarm communicator transmitter) at the protected premises

Two

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Sound pressure is measured by using a.?

A weighted scale

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The minimum mounting height of a pull station shall be at least ?

3.5ft and not more than 4.5 ft.

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What type of residential detectors is required to have the means to silence? If it is installed within 20 ft of a kitchen.?

An Ionized smoke

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Fixed temperature detectors have to be removed and sent out for testing after 15 yrs. How many have to be sent per testing period.?

2 per 100

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By code a ceiling is a level ceiling if the slope is ?

Equal to or less than 1 in 8

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Class A circuits are considered to be more reliable than class B circuits. However neither class A or B remain operational during

A wire to wire start

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A system of devices that uses a fire alarm control unit(panel)to produce an alarm signal in a household for the purpose of notifying the occupants of the presence of a fire. So that they will evacuate the premises is a

Household fire alarm system

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When installing the fire alarm within the dwelling unit in a apartment building. Is it permitted to actuate the building alarm system

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Fire alarm equipment shall be designed so that it is capable of performing at ambient temperature of a minimum of

32 degrees and a maximum of 120 degrees.

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A pull station is mounted near or inside a corner in a hall. How close to the corner can it be.?

18”

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All fire alarm systems require inspections, testing, maintenance programs. Per manufactures standards. Who is responsible for the testing.?

The owner

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PIR motion detectors are prone to fake alarms. Which of the following wont.?

Air turbulence

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What is the lowest range of heat detector ?

100-134 degrees F

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Transformers and other devices supplied from the power supply conductors supplying power to a power limited fire alarm panel.

Shall be protected by an overcurrent device rated not over 20Amps.

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Audible notification appliances intended for operation in private mode

Shall have a sound level of not less than 45db at 3 meters(10db)

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Initiation of the fire alarm signal shall occur within 90 sec of water flow at the alarm initiating device. When flow occurs that is equal or greater when that from a single-sprinkler of the smallest size installed in the system.

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Heat detectors are used to shut power to the elevators prior to sprinkler operation

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Smoke/heat is a combination initiation device

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. 64 is the multiplier of the spacing for a ceiling that is 19 ft high.

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125 feet is the max spacing for a smoke detector for room that has 60 air current changes per hour.

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What type of detector detects continuous along a particular path?

Line-type detector

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How long should a battery backup (secondary power supply) used with an emergency voice communications service be capable of operating the system under quiescent load?

24 hours

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What is the maximum number of HEAT alarms (initiating devices) that may be interconnected where the interconnecting means is not supervised in a dwelling?

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How long should a battery backup (secondary power supply) used with an emergency voice/alarm speaker service be capable of operating the system during a fire?

15 minutes

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What is the maximum number of smoke alarms (initiating devices) that may be interconnected where the interconnecting means is NOT supervised in a dwelling?

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Which fire alarm circuit class is considered the most reliable because of its ability to remain fully operational when a single open or ground fault?

Class A

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A fire alarm shall incorporate how many independent and reliable power supplies?

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Manual fire alarm boxes shall be located within ?

5ft (1.5m) of each exit

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The branch circuit overcurrent protection supplying the fire alarm system shall not exceed

20 Amps

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not over 18in.

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A heat sensing detector integrally mounted on a smoke detector shall be listed for not less than

50ft spacing.

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activation of the initiating device shall occur within 90 seconds of the water flow at the alarm initiating device when flow occurs that is equal to or greater than that from a single sprinkler of the smallest orifice size installed in the system

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water temp supervisory signal initiating device – one signal shall indicate a decrease in water temperature to 40⁰F (4.4⁰C) and the other shall indicate its restoration to above 40⁰F (4.4⁰C)

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-the total sound pressure level produced by combing the ambient sound pressure level with all audible notification appliances operating shall not exceed 110 dBA at the minimum hearing distance

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where a digital alarm communicator transmitter (DACT) is used, the DACT serving the protected premises shall only require a single telephone line and shall only require a call to a single digital alarm communicator receiver (DACR) number

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At the max you can have 5 waterflow and/or 20 supervisory switches connected to a single zone

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When you place smoke and heat detector on a peaked ceiling, you should measure 3ft horizontally from peak in both directions

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Typical single family home you need to have at least one smoke installed for every

1,200 square feet

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When you install smoke detectors on the ceiling, no portion of these detectors should be placed within

4” of any sidewall

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Wall mount visual notification must be mounted between

80 and 96” from floor level

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Smoke detectors installed on a wall, no portion of these detectors should be installed within

4” of the ceiling

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50ft x 50ft max room coverage for visual notification

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When the ceiling height exceeds 10 feet, the heat detector spacing will have to be reduced

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Level ceilings have a slope of less than 1 ½” per foot

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Wall mounted notification devices should be located such that the top of it is at least

6” below ceiling

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Max ceiling height of visual notification?

30ft

A smooth ceiling refers to a ceiling surface which is uninterrupted by continuous projections extending more than

4 inches below the surface

In a residential building , a high ceiling with a slope greater than 1 foot per 8 feet must have a smoke detector configured in the high side of the room

Smoke detectors capable of field adjustment of sensitivity should provide an adjustment range of at least

6% per foot obscuration.

The digital alarm communicator transmitter is always located at the protected premises

Heat detectors are not considered as life safety equipments

Effective masked threshold refers to the minimum sound level at which a tone signal can become audible in ambient noise

Fixed temperature spot type detectors are most suitable for enclosed areas

A secondary power supply should be able to provide power to the protected premises fire alarm system in no longer than 10 seconds when the primary power supply fails

A nonpower limited fire alarm circuit NPLFA cannot operate at more than

600v

Overcurrent protection should not exceed?

7 amps for #18AWG and 8 amps for #16 AWG

Largest area a fire area zone is

22,500ft

In a 2-bed ranch house with a basement, how many smoke detectors do you need?

4, 1 in each bedroom, 1 in general area outside the bedrooms and 1 in the basement

100⁰ is the lowest fixed temp for a heat detector

Beam detectors are supposed to be a minimum of?

20 inches from the ceiling

Max time allowed on a flow switch

90 seconds

The FACP needs to be on their own circuit with a 20amp breaker with 12 gauge wire

NPLFA Conductor Materials. Conductors shall be 18 AWG or larger solid or stranded copper.

The input leads of a transformer or other power source supplying power-limited fire alarm circuits shall be permitted to be smaller than 14AWG, but not smaller than 18AWG, if they are not over 300mm (12in) long and if they have insulation that complies with 760.49(B

What type of detector will detect the radiant energy emitted by embers produced from a Class A and Class D combustible materials?

Spark /Ember

Each Bay formed by the beams of a ceiling where a projected beam type detector will be installed shall be treated as which of the following areas when the ceiling beams project more than 18 inches below a ceiling and they are located more than 8 feet on center?

As a separate area

Partitions shall be considered as separate rooms when they extend to within what percent of the ceiling height?

15%

Smoke detectors in other than one and two family dwellings shall be tested in place to ensure system smoke entry into the sensing chamber and alarm response using which of the following methods?

Smoke or listed aerosol

Smoke detectors in other than one and two family dwellings shall be tested using which of the following methods?

According to manufactures instructions

In a premises fire alarm system, if the exit doors are unlocked by the FA system when shall the unlocking function occur in relation to the fire alarm system activation in the area served by the lock doors?

Prior to or concurrent with

The color code for a rate compensated heat sensing fire detector initiating device with an extra high temperature classification would be which of the following?

Red

Unless exempted by applicable laws and codes, multiple smokes or heat alarms used to provide a fire warning function in a dwelling unit, suite of rooms, or similar area shall be arraigned so that the operation of any smoke or heat alarm causes which of the following?

All alarms within location to sound

What is the recommended code signal designation for a building supervisory signal from the sub basement?

3- 2

In duct smoke detectors more than 10 feet above the finish floor or where that detectors alarm or supervisory indicator is not visible to responding personnel must be provided with which of the following?

A supervisory indicator and a remote alarm

When spacing out smoke detectors raised floors in suspended ceilings shall?

Be treated as separate rooms

When does the NFPA-72 code allow the intermixing of different types of audible appliances within a building?

When approved by the AHJ Authority having jurisdiction

Is the minimum required CD rating of a visible notification appliance located in a sleeping area with a greater distance of 24” from the ceiling to the top of the lens?

110cd

what is the maximum travel distance between smoke alarms in dwellings?

30 feet

which type of sprinkler is most commonly used to protect buildings?

wet pipe sprinkler

in addressable fire alarm system control unit monitors the status of initiating devices how?

by periodically polling the devices

open grounds result in a______ signal

trouble

initiating device circuits and notification appliances circuits monitor the circuits for integrity by?

a small current through the circuit

A fire sprinkler water flow switch when actuated will produce a _______ signal

Alarm

A conductor returning to the control unit form the last field device on a circuit might indicate a

Class A circuit

notification appliances used outdoors may result in a_____ listing for such use

open circuit

which of the following is a audible textual appliance?

Speaker

the primary purpose of dwelling fire alarm wanting equipment is?

Property protection

for the purposes of fire protection item found in a protected space often referred to as?

Fuels

A high rise is more than____ from the lowest level the fire dept access to the highest level of occupancy

75 feet

which device when actuated and into interconnected to another similar device will cause the other device to actuate?

Multiple station alarm

A manual FA box/pull station when actuated will produce a____ signal

Alarm

Upon detection of a trouble condition FA system controls must initiate a trouble signal within______Seconds?

200 seconds

what is the minimum size conductor for use in alisted multi conductor cable in a power limited FA circuit within a building?

26 AWG

Inside a FA control unit what is the minimum separation between 110v AC lines and the power limited wires?

0.25”

Splices in cable trays shall be _______?

Accessible

The minimum voltage rating of a power limited FA cable is ?

300 volts

The fire alarm cable is installed under a slab to a fire sprinkler flow switch. The cable is not installed in conduit. The cable should be?

Listed for wet locations

Primary power for the FA system shall be permitted to ?

Be an individual branch circuit

FACU is abbreviation for

Fire alarm control unit

What is the minimum cd of a ceiling mounted strobe light that is in a 46 x 46 room with a ceiling height of 20 feet?

80cd

Table 18 5.5.4.1

How many smoke detectors are needed in a 50 x50 room, assuming 30 foot listed spacing?

17.7.3.2.3.1

What is the maximum permitted brightness of a FA strobe light

1000cd

18 5.3. 4

what is the adjusted spacing for a heat detector (listed for 50 feet )if the ceiling height is 23 feet

26 ?
17.6.3.5.1
26 ft Less than between the spacing

What is the acceptable flash rate of a FA strobe light?

The flash rate shall not exceed two flashes per second(2Hz) nor be less than one flash per second (1Hz)
3.1

What color code is used for an ultra high heat detector?

Orange

17.6.2.1

What is the minimum rating of a single wall mounted FA strobe light in a 120 x 120 room?

540 cd

18.5.5.4.1

What is the maximum humidity that a smoke detector may be installed in ?

Above 93%

17.7.1.8

What is the maximum mounting height of a wall mounted combo horn / strobe?

less than 96 “

18.5.5.1

How far from the high side of a shed ceiling is the first row of smoke detectors placed?

36 “

17.6.3.4.2.1

How many Radio Alarm Repeater Station Receivers must be provided in a Type 6 system?

26.6.3.3.2.5

How long do you have to pass your D license exam after approved?

1 Year

at what height does ceiling height become the dominant factor in heat detector spacing?

10 feet

Side wall mounted spot type heat detectors shall be located?

Between 4 and 12 inches from the ceiling

The required location for a wall mounted audible notification appliance in a building is

Not less than 90” above the floor and 6” below the ceiling

visible notification appliances must be synchronized where an occupant can see

More than 2 appliances or groups operating at the same time

The maximum time delay for operation of a sprinkler water flow switch used for elevator power shutdown?

No time delay mechanism is permitted

Smoke detectors installed below raised floors

Must be spaced as for a separate room

equipment connected to a fire alarm circuit must be listed?

For the purpose for which it is used

Power for a FA system shall be permitted

Before the service disconnect in the main panel

760.41 A (B)

how far should fire or security communications cables be maintained from lighting conductors?

2”

what is the minimum input wire size for a transformer supplying power limited fire alarm system?

18AWG

power limited fire protection signaling circuit cables installed in a duct used for environmental air must be of what type?

FPLP cable

the number of supervisory device is permitted to be connected to a single initiating device circuit shall not exceed?

A heat sensing fire detector integrally mounted on a smoke detector shall not be listed or approved for no less than?

50 feet

When does a D licence expire?

July 31

What is the total resistance of 3 100 ohm resistors in parallel?

33.3 ohms

Radiant energy sensing fire detectors are categorized as

Flame detector and spark/ember detectors

Sprinkler waterflow devices must be tested

Annually

Battery calculations for a FA system require a reserve capacity of

20%

A fail safe circuit is

Designated as a Class D

In a elevator lobby serving 2 elevators ( of the same control group) what is the required to initiate fire firelighters service recall?

One smoke detector with in 21 feet of the elevator door

Which of the following circuit types is/are addressable?

IDC

In NFPA-72 an asterisk(*) following a paragraph number indicates?

Explanation can be found in Annex A

For a fixed temperature heat detector the temperature rating of the detector shall be?

At least 20 degrees above max ambient temp

Guards for mechanical protection of notification appliances are required

Where the appliances are subject to mechanical damage

Is it required that you must provide the Enforcing Authority the Floor plan layout of all the devices and control equipment on a Fire alarm system?

True

7.2.1

Is it required that Record of Completion documentation be updated to reflect additions to the FA system?

True

7.7.1.5

Visible notification appliances shall be located not more than______ft from the end of a corridor with a separation of not greater than 100 ft between appliances.

15 ft

18.5.5.5.5

In a corridor application the visible shall be rated not less than____cd

15 cd

18.5.5.5.3

A control module that performs a Emergency Control function must be located within _____ft of the component controlling that function?

3 ft

21.2.4

a single fault on a Signaling Line Circuit ( SLC) shall not cause the loss of more than_____ addressable devices

50%

29.8.2.2(2)

What is the resistance per 1000ft of 8 AWG aluminum uncoated,stranded conductors?

0.778

Table 8 chap 9

Unused openings in boxes are generally required to be ?

closed

The temperature associated with the ampacity of a conductor shall be so selected and coordinated as to not exceed the lowest temperature rating of any

Connected terminal, Conductor and Device

How many smoke detectors are needed in a 50 x 20 room, assuming 30 foot listed spacing?

3 smokes

what is the maximum spacing of a smoke detector that is placed in a room with air movement of 20 air changes per hour? per hour?

375 Square feet

Sprinkler waterflow devices must be tested ?

semiannually

Remote resetting of a protected premises FA control unit is only approved from ?

AHJ Authority having jurisdiction

An audible trouble signal shall automatically re-sound every____hours or until the fault is fixed?

24 hrs

10.15.9.1

Is it required the the Record of Completion documentation be updated to reflect additions to the FA system? T or F

True

A single story dwelling with a basement and 2 bedrooms. How many smokes are required?

When troubleshooting a FA system what is the best way to start?

Test and eliminate large sections

How far do you keep FA conductors away from lighting protection wires?

6 feet

How much separation is required in a fire alarm panel between 120 volts and 24 volt fire alarm conductors?

1/4” or 0.25

How long do smoke detectors stay in service?

10 yrs

A battery in a security alarm panel fails to charge. What will happen to the system

Visual indication will appear on the annunciator panel

Secondary power supply batteries are required to be marked with?

The date manufactured

FA signals used to notify building occupants of the need to evacuate or relocate are required to be?

A distinctive three- pulse temporal pattern

Alarm notification appliances must be tested ?

Annually

Back up design in a voice evac system how long should it operate on batteries?

15 Min

What is the max separation for visible notification appliances in a corridor?

100 feet

If a heat detector is used to shut down elevator power prior to sprinkler operation, they shall be placed within_____feet of each sprinkler head and be installed in accordance of chap 5

2 feet

10.5.71

When normal power to a Fire Alarm Panel is lost the secondary power must supply the power to the system with in____seconds

10 seconds

The max allowable loop resistance for an initiating circuit(IDC) is

specified in the manufactures install instructions

14.4.3.2

Emergency control function interface devices shall be located

Within 3 feet of the component controlling the emergency control function
21.2.4

A performance-based design of visible notification requires

A design that provides 0.0375 lumens /ft

Smoke alarms and detectors shall not be installed with in____inch horizontal path from a door to a bathroom

36 inch

29.8.3.4

Max coverage of a single smoke detector

900 sq ft

At what pressure drop must a supervisory signal be sent when monitoring pressurized tank?

10 psi

How many hours of school are required for a C license?

75 hrs

SLC circuit is addressable

Color of a ultra high heat detector is ?

Blue 250-324 degrees F

Chap 14 NFPA 72 2013 edition Inspecting and testing

The non power limited cable for riser use is?

NPLFR

Smoke alarms or detectors in basement must be mounted?

On the basement ceiling near the stairs

In a building fire emergency voice/alarm communication systems are usually found in?

High rise buildings

A protected premises fire alarm system that utilizes horns as audible notification apps has a primary power supply with a secondary power supply protected by batteries. How long do the batteries need to last?

24 hrs

Which device when interconnected to a similar device will cause it to actuate ?

Multiple station device

Max distance between High intensity strobes?

100ft

Sprinkler installed with a 155 degree offset what needs to be installed?

A 135 degree heat detector

ADA -Annex J

75ft is the MASS amendment for a high rise

10.12.12 Alarm box rounds

Overcurrent protection shall not exceed 7A or 18awg and 10 A on 16awg.

What is the rule of .seven and how does it apply?

All points on a ceiling shall a a detector within the distance equal to or less than .7 times the normal 30ft spacing.
17.7.3.1 NFPA 72 pg 98

How long must system design and function documents be kept for including alterations?

Shall be maintained for the life of the system

7.7.1.4 NFPA 72 pg 72-36

What is the purpose of inspection and testing?

To ensure compliance and installation is in accordance with the code and other install standards
114.2.11 NFPA 72 pg 72-75

Nationally recognized testing labs NRTL____ electrical products to provide a basis for approval by inspectors in the field?

Test and List

IDC: Initiating device circuit
SLC: Signaling line circuit

TIMES:

24 hrs to respond to a trouble
8 hrs can have an impairment (can have only 1 at a time)
200 seconds automatic initiating devices or open or fault. open/close start/restore
90 seconds the HV fan has to come on
Fan operation at desired state 60 sec. Completion of damper travel 75 seconds

Good to know

MEASUREMENTS

75 ft above the lowest level the fie dept can reach is a highrise
1 smoke per 900 sq ft 21’ radius-42 in between 30 sq ft
A pull station needs to be within 5 ft of an exit.
50% of a FA system has to be working= survivability
50% of stairways need to be pressurized in a highrise
Different ceiling types start on pg 268
Ceiling types Chap 17 NFPA72

Good to know

NFPA-72 CHAPTERS
Chap 3 Definitions: terms
Chap 7 Documentation: Design,acceptance,completion
Chap 10 Fundamentals: Functions of a FA system
Chap 12 Circuits/Pathways: Performance and survivablity
Chap 14 Inspection, Maintenance and Test
Chap 17 Initiating Devices:perform,select,location ofdevice
Chap 18: Notification devices Location and mounting
Chap 21 Emergency Control Function interfaces: Connection of FA system emergency communications
Chap 23 Protected Premises FA sys: Protection of life
Chap 24 Emergency Communication Systems: ECS

Good to know

All Supervisory will be at the “end of line” on a Class B circuit

Total produced sound by combining ambient sound shall not exceed?

110 db

Sound from normal produced sound shall not last more than ????

60 sec

Strobes need to be in sync with in line of sight

Required signals shall not be lost, interrupted or delayed by more than _____ seconds as a result of power loss.

15 sec

Voice evacuation has to be a woman’s voice

If a space is inhabitable it does not need a evacuation warning.

Electric code book NFPA 70
Chap 1: General I
Chap 2: Wiring and Protection I All applies to
Chap 3: Wiring methods and Materials I electrical installs
Chap 4: Equipment for General use I

Chap 5: Special Occupancy I
Chap 6: Special Equipment I Supplements or modifies
Chap 7: Special Conditions I Chapters 1-7

Chap 8: Communications Systems
Chap 9: Tables
Annex A-J: Information

Over current protection shall not exceed 7 amps for 18 AWG and 10 amp for 16 AWG !!!
On test

Class 2 wiring is Low Voltage. Class 1 and 3 are high voltage(120v)

Parallel circuit resister value will be lower than the lowest value

A strobe needs to be within 15’ from a end of corridor

Ambient sound is the normal sound 65% of the time.

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