Class D Systems Technician License Practice Test

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• What is referred to as a 'swinger' in fire alarms?
• A load that sustains its maximum current for 3 hours or more is classified as what type of load?
• Before installing or altering fire alarm equipment, which governing authority must be notified?
• What are the main causes of a swinger in an alarm panel?
• What is the required distance for a CO2 detector from a bedroom door?
• What is a primary function of the alarm notification appliance?
• Which of the following is enforceable by an Authority Having Jurisdiction (AHJ)?
• Which aspect of capacitance is crucial for understanding electrical circuits?
• According to NEC Table 314.16(A), what types of boxes are mentioned?
• What is the maximum sound level of a bedroom audible at the pillow?
• Upon detection of a trouble condition, fire alarm system controls must initiate a trouble signal within how many seconds?
• What type of auxiliary fire alarm system connects through the municipal fire alarm system to the fire service communications center?
• Which NEC chapters cover general wiring applications?
• Grounding rods are also known as what?
• Which type of fire alarm circuit does NOT include redundancy?
• What is the maximum distance between devices that must be "in sight from" one another?
• How often must guard tour equipment be tested?
• What is the minimum size required for a ground plate?
• What is the maximum distance between the top of a wall-mounted smoke detector and the ceiling?
• What is the fine range for a second offense of working without a permit/license?
• What happens if the water level in a pressurized sprinkler tank falls below the required level?
• What is the minimum voltage rating for a power limited fire alarm cable?
• How close to a sidewall may a heat detector be installed?
• How many operators are required to be on duty in a central station?
• NFPA 72 Chapter 21 deals primarily with:
• Which of the following is a requirement listed under NEC Chapter 9, Table 4?
• Which NEC article primarily covers burglar alarm wiring?
• What is the maximum flash rate of a fire alarm strobe light?
• What type of device is designed to initiate a fire alarm notification?
• What is the maximum number of supervisory signal-initiating devices that can be connected to a single initiating device circuit?
• How often should EMT be secured and supported?
• What is the maximum travel distance for visual notification devices in a hallway?
• What is the maximum height allowed for a pull station according to the NFPA guidelines?
• What is the maximum projection of beams below the ceiling for it to be treated as a smooth ceiling?
• What is the farthest distance from the end of a corridor that a strobe light may be located?
• What is the minimum temperature rating required for fire alarm cables?
• Which section of the NEC covers ADA (Americans with Disabilities Act) standards?
• Which type of location is covered under Class II classification in the NEC?
• What is a defined area within the protected premises known as?
• How long do you have to file an appeal of a wiring inspector's order?
• What classification deals with easily ignitable fibers and flyings within NEC?
• What is the purpose of overcurrent protection in fire alarm systems?
• What is the function of NEC Article 10?
• What are the two conditions a pressure tank signal-initiating device must indicate?
• What is the purpose of a battery backup in a fire alarm system?
• What type of metal conduit is considered the thinnest walled?
• Which article of NEC is primarily concerned with grounding and bonding?
• Which article of the NEC outlines the minimum burial depths for various locations?
• What signal is produced when a pull station is actuated?
• What is one of the key responsibilities of a Class D Systems Technician?
• What feature distinguishes Class A fire alarm circuits?
• What is the defining feature of Rigid Metal Conduit (RMC) concerning its installation?
• What is the Massachusetts Electric Code designated as?
• What is the maximum time after which inaccessible fire alarm devices must still be tested?
• Is it permissible to bury Rigid Metal Conduit (RMC)?
• What type of devices include notification appliances?
• How frequently should a load voltage test be conducted on the batteries of a fire alarm system?
• How often does a wireless radio box need to transmit a test signal?
• What temperature is the THWN conductor rated for operating under standard conditions?
• What is an acceptable location for a smoke detector within a guest suite?
• For manual fire alarm systems, how frequently must they be visually inspected?
• Which component is critical for ensuring a fire alarm system’s reliability?
• What is the focus of NFPA 72 Chapter 14?
• What is the standard length of EMT conduit?
• What color innerduct should be used for power cables?
• How many hours of education are required to be eligible for the D license exam?
• How much current is considered to be lethal?
• How is capacitance measured?
• What must be considered when determining the location for smoke detectors in basements?
• What does D.A.R.S. stand for in alarm systems?
• What action can be taken to improve the effectiveness of strobes located above 30 feet?
• Which Class requires a Master Electrician license?
• Which licenses can be issued to any "person, firm, or corporation"?
• What is the minimum length of a ground rod?
• Which type of detectors can potentially "see through walls"?
• What is the significance of the number 36 in relation to wall-mounted telephone alarm appliances?
• In a fire alarm system, what is the maximum time a smoke detector can delay an alarm?
• At what height do strobes become less effective, prompting the need for adjustment?
• What date do D licenses expire?
• Which of the following best describes a smoke alarm?
• What is the minimum mounting height of a fire alarm strobe light?
• When is a partition considered to be a separate room?
• What is the minimum and maximum mounting height of a horn strobe?
• What is the maximum distance allowed between manual fire alarm boxes in a corridor according to NFPA standards?
• Where should smoke detectors not be installed in a high air movement area?
• Guards for mechanical protection of notification appliances are necessary when?
• How often should smoke detectors installed in single family dwellings be replaced?
• What does NEC Table 314.16(B)(1) specify?
• What is the primary focus of NFPA Chapter 7?
• Open grounds in a fire alarm system result in what type of signal?
• Under what conditions should smoke detectors not be installed?
• What differentiates a DART from a DACT?
• Which component is indicated to have a 2 AWG wire gauge for grounding purposes?
• What is the maximum square footage that a single alarm zone can cover?
• What is the minimum mounting height for an operable device accessible by forward reach only?
• Which pattern consists of three half-second tones used for evacuation signals?
• Is type MTW conductor considered flame-retardant?
• What is the main purpose of conducting a semiannual load voltage test for fire alarm batteries?
• The dashed line on an electrical diagram represents what?
• Can armored cable be used in a cable tray?
• What does the abbreviation 'NEC' stand for in fire safety regulations?
• In corridors with two or more visual notification devices, how should they flash?
• What kind of systems does NFPA 72 Chapter 27 discuss?
• What is the minimum wire gauge of a ground ring made of bare copper?
• What is the full form of D.A.C.T. in the context of alarm systems?
• What is the maximum weight that a single conduit is allowed to support?
• Which color flagging is used to indicate a hazard related to communication lines?
• Which document outlines the time frames for permit applications and appeals?
• Where should smoke detectors be placed outside of each sleeping area?
• How must all installations in communication systems be completed?
• What regulation governs the performance of fire alarm verification features?
• What is the rating (in candela) required for four wall-mounted strobe lights in a 60 X 60 foot room?
• How far may the water level in an unpressurized sprinkler tank fall before a signal must be sent?
• What is the maximum length a strobe light can be from a pillow in a sleeping area?
• What does NEC Article 760 cover?
• What is the minimum spacing that a heat detector integrally mounted on a smoke detector may be listed for?
• What is the classification of a strobe light's function when mounted in specific areas like sleeping rooms?
• What is defined as a specific area within the protected premises?
• What is the purpose of the Asterisk symbol in fire safety documents?
• When testing smoke detectors in a dwelling, which aerosol should be used?
• Lobby smoke detectors shall be located on the ceiling within how many feet of the centerline of each elevator door?
• Which level of pathway survivability implies no provisions for cable survivability?
• Which NFPA chapter outlines the basic functions of a complete fire alarm/signaling system?
• Under NEC, which article would you refer to for uses not permitted in certain locations?
• How many splices are allowed in a grounding electrode conductor?
• How does the NEC define a "structure"?
• Manual fire alarm boxes must be located within how many feet of an exit?
• What is the primary purpose of smoke detectors in residential properties?
• How often must inaccessible fire alarm devices be tested?
• What is the maximum spacing of fire alarm strobe lights in a corridor?
• What is the smallest size grounding conductor that can be used to ground communication circuits?
• What is the specified installation distance for smoke detectors outside sleeping rooms?
• How long must secondary power supplies support a fire alarm system's alarm after standby?
• Which level of pathway survivability requires a 2-hour fire rating for cables and panels?
• What is the specified time interval for an intermittent fire alarm trouble signal to sound?
• Which of the following factors does NOT influence the severity of electric shock?
• What type of energy do spark/ember detectors specifically react to?
• How deep must a grounding ring be buried?
• What is an essential part of NFPA Chapter 14?
• For alarming systems, what is the maximum number of heat alarms in residential setups?
• At what height does a ceiling become classified as a high ceiling?
• What is the Temporal 3 Pattern used to indicate?
• What is the main purpose of grounding systems in electrical installations?
• What is the maximum intensity of a fire alarm strobe light?
• How many waterflow alarm-initiating devices can be connected to a single initiating device circuit?
• What must be restored to normal after activation of a pressure tank signaling device?
• Which type of detector is designed to detect radiant energy emitted by embers produced from Class A and Class D combustible materials?
• What is the fine for a first offense of working without a permit/license?
• What does NFPA Chapter 10 primarily cover?
• How high must a wall-mounted telephone alarm appliance be installed above the finished floor?
• What are the different classes of circuits described in NFPA Chapter 12?
• What is the maximum time allowed between the start of water flow in a fire sprinkler and the activation of the alarm signal?
• What risk does a swinger present in a fire alarm system?
• What color flagging is used by Digsafe to mark sewer lines?
• Which of the following is a requirement for legally installed fire alarm systems?
• The third offense for working without a permit/license incurs what kind of penalty?
• Is a heat detector classified as a life safety device?
• Which of the following is NOT one of the top three factors affecting the level of injury from electric shock?
• Pathway survivability refers to:
• What is the maximum allowable expansion for PVC without the use of an expansion joint?
• Which fire alarm circuit classification is considered the most reliable due to its operational capability during a single fault?
• What class of licenses allows for Systems Contractor business operations?
• For how long should a battery backup for an emergency voice communications service operate under quiescent load?
• When locating spot-type smoke detectors, all points on a smooth ceiling must have a detector within what fraction of the selected spacing?
• In installations, beams that project more than what height prevent the ceiling from being smooth?
• How far can a wall-mounted linear heat detector be installed from the ceiling?
• According to NFPA 72 Chapter 29, which systems apply specifically to residential buildings?
• What is the minimum time needed to apply for a wiring permit before starting work?
• What is the importance of the article 725 in the NEC?
• When mounting a detector on a sloped ceiling, how far from the peak must it be located?
• For which application is the conductor's maximum operating temperature evaluated?
• At what level may the water in a pressurized sprinkler tank fall before signaling?
• What is the purpose of NFPA 72 in Massachusetts?
• For how long must test reports for fire systems be retained?
• How close must EMT be to each junction box, outlet box, or device box for support?
• How many years is recommended for the life cycle of smoke detectors in dwelling units?
• Who is responsible for testing fire alarm systems?
• How many #12 AWG Type Z conductors can fit in a 3 inch EMT nipple?
• Which two general types of keyboards are commonly in use today?
• What does a trouble signal indicate in a fire alarm system?
• Activation of the alarm notification appliance shall occur within how many seconds of the activation of an initiating device?
• What does the term AHJ stand for in fire safety regulations?
• How is a code defined in relation to standards?
• How many conductors can a clamp accommodate according to NEC guidelines?
• What is the minimum size of pipe that can be used as a grounding electrode?
• Which law governs the supervision of electricians?
• For installations accessible by forward reach, what mounting height is stipulated by the NEC?
• What is the minimum spacing between power limited fire alarm circuits and high voltage conductors?
• What is the minimum width of working space required around an electrical panel?
• What is the maximum operating temperature for conductor type THWN?
• What type of accommodations characterizes a hotel under NFPA definitions?
• What are the three steps in the proper procedure for testing a circuit for voltage?
• According to MGL 141.3, which licenses may be granted to a person or firm?
• Are recessed ceiling mount horns permitted according to the NFPA regulations?
• What is the purpose of a Digital Alarm Communicator Receiver (D.A.C.R.)?
• What is the minimum wire gauge required for a ground ring according to electrical code?
• What type of protection is necessary for all PLFA and NPLFA system circuits?
• What devices are included in the category of Initiating Devices?
• What is the required time frame for a fire alarm control panel to fully recharge its batteries?
• Which symbol indicates that explanatory material on the paragraph can be found in Annex A?
• What percentage fill is permissible when a conduit contains only one conductor?
• How many apprentices can work under a systems technician?
• Which of the following is covered in NFPA 72 Chapter 23?
• How long must "records of signals received" be maintained by supervising stations?
• What is the maximum acceptable slope for a level ceiling?
• What does NFPA 72 Chapter 26 discuss?
• What spatial requirement governs the placement of heat detectors near sidewalls?
• Which standard governs the installation of fire alarm systems?
• What are the two allowed types of charging methods for battery backups in a fire alarm system?
• What aspect does NEC Article 310 focus on regarding conductors?
• What is the minimum height requirement for a manually actuated alarm initiating device pull station?
• What is the required location for an annunciator in a fire alarm system?
• Can a building owner legally test their own fire system?
• In which area is a smoke detector required in a residence?
• How frequently must exams for licensure be offered?
• What is the purpose of a ground plate?
• What method is used to test smoke detectors in dwellings other than one and two family dwellings?
• What is the maximum fill percentage allowed in a conduit containing only one conductor according to NEC guidelines?
• What class of circuits includes a redundant path?
• How many #10 THW conductors can be placed in a 2 inch ENT nipple that already contains 35 #12 THHN conductors?
• What is the expected expansion of a 200 ft. run of PVC with a 40 degree Fahrenheit temperature change?
• How many maximum conductors are allowed in a metal box, according to the NEC?
• Which component is crucial for protecting appliances from mechanical damage in a fire alarm system?
• What does the letter "W" indicate in the memory device for cables RHW and THW?
• What aspect does Level 3 pathway survivability require?
• What is the recommended distance between smoke detectors in a building?
• What is the maximum number of heat alarms that may be interconnected in dwellings if the interconnecting means is not supervised?
• What is required for alarm notification appliances in terms of testing frequency?
• What distinguishes a smoke detector from a smoke alarm?
• What is classified under Class I according to the NEC?
• What type of detector is best suited for detecting smoldering embers?
• What type of signal should be produced from an operational pull station?
• How often must alarm notification appliances be tested?
• What color is used by Digsafe to mark buried electric lines?
• What is the maximum number of waterflow devices that can be tied into a single hardwired zone?
• What is the maximum humidity level allowed for installing a smoke detector?
• Which method measures the highest voltage in a circuit?
• Which class of electrical license corresponds to a Systems Technician?
• Secondary power supplies must provide power to a fire alarm system for a minimum of how many hours?
• Where are smoke detectors required to be installed in residences?
• What is the maximum spacing allowed for smoke detectors, according to NFPA 72?
• What is the resistance of a 218-foot run of #18 AWG stranded, coated copper wire?
• What key factors can affect the performance of smoke detectors?
• What is the maximum allowable time delay for waterflow switches?
• How frequently should a smoke detector be tested for proper operation?
• What must be done to multiple grounding electrodes?
• According to NFPA regulations, how is a hotel defined?
• What's the minimum separation required between 110v AC lines and power limited cables inside a FACU?
• Which type of PPE is recommended for work around energized circuits?
• What is the maximum travel distance between ceiling mounted smoke alarms in a dwelling?
• What color is designated for a high-temperature heat detector?
• What is the minimum candela output of a strobe light in a corridor?
• Which guideline specifies the maximum slope for level ceilings?
• When is a smoke detector allowed to be installed in an unsprinklered elevator hoistway?
• Which type of detector detects continuous along a particular path?