Exam 9: Fire Alarm Systems and National Electrical Code Article 760

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Survivability requires a minimum rating of _________ to ensure the functional use of the system during a fire.

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C

To ensure survivability, the type of cable required is _________.

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A

Fire alarm circuits must be clearly labeled at every junction and terminal connection.

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True

Single conductor sizes for a power-limited fire alarm circuit cannot be smaller than ____________.

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Emergency telephone must be part of the main telephone system.

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The power source for a nonpower-limited fire alarm system cannot output voltages greater than ________

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End of line devices are required by addressable fire alarm systems.

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Heat detectors are considered to be life-safety devices.

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What statement about line seizure is not true?

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How can the number of devices on an analog addressable circuit and the overall distance requirements from the control panel to the farthest device in the loop be determined ?

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Heat detectors are a suitable substitute for smoke detectors.

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The power source for a power-limited fire alarm system cannot output voltages greater than ________

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Maximum allowable ceiling temperatures are typically _________ less than the temperature rating of the heat detector.

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Audible alarm indicators, for commercial spaces, must output a minimum level of _____dB at 10ft. and be _______dB greater than the ambient noise level.

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Fire alarm systems, classified for residential use, cannot be used in commercial space s.

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Class A circuits are four wire circuits that do not use end of line devices.

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The fire alarm annunciator panel, monitors all input sensors and initiating devices.

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What type of detector technology is nonrestorable?

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What type of heat detector responds to shifting temperatures that vary excessively beyond a predetermined value?

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Carbon monoxide detectors are required in all _________.

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