Article 760 - Fire Alarm Systems

the article 760 section of the chapter 7 test

Article 760 covers the requirements for the installation of wiring and equipment of _____.

(C) fire alarm systems

Fire alarm systems include _____.

(D) all of these

Fire alarm cables that are not terminated at equipment other than a connector and not identified for future use with a tag are considered abandoned.

(A) True

_____ fire alarm cables installed in ducts, plenums, or other spaces used for environmental air shall comply with 300.22.

(C) Power-limited and non-power limited

_____ fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 760.135 (B) and 300.22 (B) Ex shall be permitted to be installed in ducts specifically fabricated for environmental air.

(A) Power-limited

_____ fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 760.135 (C) shall be permitted to be installed in other spaces used for environmental air (plenums).

(C) Power-limited

Where _____ cables are utilized for fire alarm circuits, the cables shall be installed in accordance with Article 770.

(D) optical fiber

If fire alarm conductors are installed in a raceway that is subjected to different temperatures, and where condensation is known to be a problem, the raceway shall be filled with a material approved by the authority having jurisdiction that will prevent the circulation of warm air to a colder section of the raceway. An explosion-proof seal _____.

(C) is not required for this purpose

Raceways enclosing cables and conductors for fire alarm systems shall be large enough to permit the _____ of conductors without damaging conductor insulation as limited by 300.17.

(D) installation and removal

When a raceway is used for the support of protection of cables for fire alarm circuits, a bushing to reduce the potential for abrasion shall be placed at the location the cables emerge from the raceway.

(A) True

Power-limited fire alarm cables shall be permitted to be installed in plenum cable routing assemblies, riser cable routing assemblies, and general-purpose cable routing assemblies where _____.

(D) all of these

Power-limited fire alarm cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general-purpose communications raceways where _____, and where the requirements applicable to electrical non-metallic tubing apply.

(D) all of these

The requirements of 310.14 (A) (3) on the temperature limitation of conductors shall apply to non-power limited fire alarm cables only.

(B) False

Power-limited and non-power limited fire alarm cables with green insulation shall be permitted to be used as ungrounded signal conductors.

(A) True

Fire alarm circuit cables and conductors installed exposed on the surface of ceilings and sidewalls shall be supported by _____, hangers, or similar fittings designed and installed so as not to damage the cable.

(D) any of these

Accessible portions of abandoned fire alarm cable shall be removed.

(A) True

Fire alarm cables identified for future use shall be marked with a tag sufficient durability to withstand _____.

(C) the environment involved

Fire alarm circuits shall be identified at all terminal and junction locations in a manner that helps prevent unintentional signals on fire alarm system circuits during _____ of other systems.

(B) testing and servicing

The fire alarm circuit disconnecting means for a power-limited fire alarm system shall _____.

(D) all of these

The power source for a power-limited fire alarm circuit can be supplied through a ground-fault circuit interrupter or an arc-fault circuit interrupter.

(B) False

The fire alarm branch-circuit disconnecting means shall be permitted to be secured in the “on” position.

(A) True

Fire alarm equipment supplying power-limited fire alarm circuits shall be durably marked where plainly visible to indicate each circuit that is _____.

(B) a power-limited fire alarm circuit

Cable splices or terminations in power-limited fire alarm systems shall be made in listed _____ or utilization equipment.

(D) any of these

Power-limited fire alarm circuit cables and conductors shall not be placed in any cable, cable tray, compartment, enclosure, manhole, _____, or similar fitting with conductors of electric light, power, Class 1, non-power limited fire alarm circuits, and medium-powered network-powered broadband communications circuits unless permitted by 760.136 (B) through (G).

(D) any of these

Generally speaking, conductors for lighting or power may occupy the same enclosure or raceway with conductors of power-limited fire alarm circuits.

(B) False

Power-limited fire alarm cables can be supported by strapping, taping, or attaching to the exterior of a conduit or raceway.

(B) False

Power-limited fire alarm cables installed within buildings shall be _____ as being resistant to the spread of fire.

(B) listed

Power-limited fire alarm cable used in a _____ location shall be listed for use in _____ locations or have a moisture-impervious metal sheath.

(C) wet

Cables used in power-limited fire alarm systems shall have a voltage rating of not less than _____.

(B) 300V

Cables used in power-limited fire alarm systems shall have a temperature rating of not less than _____.

(A) 60c