Test: Chapter 7
Class 2-LP and Class 3-LP cables shall comply with which of the following, as applicable?
Any of these - Cables with the suffix "-LP" shall be permitted to be installed in bundles, raceways, cable trays, communications raceways, and cable routing assemblies - Cables with the suffix "-LP" and a marked ampere level shall follow the substitution hierarchy of Table 725.154 and NEC Figure 725.154(A) for the cable type without the suffix "LP" and without the marked ampere level - System design shall be permitted by qualified persons under engineering supervision
Class 2 and Class 3 plenum cables listed as suitable for use in ducts, plenums, and other spaces used for environmental air shall be Type ____________.
CL2P and CL3P
Remote-control circuits for safety-control equipment shall be classified as ____________ if the failure of the equipment to operate introduces a direct fire or life hazard.
Class 1
A Type CL2-LP (0.50), 23 AWG could be used in any location where Type CL2 could be used; however, the LP cable would be suitable for carrying up to 0.50A per conductor, regardless of the number of cables in a bundle. True or False?
True
Class 1, 2, and 3 circuits installed through fire-resistant-rated walls, partitions, floors, or ceilings shall be firestopped to limit the possible spread of fire or products of combustion. True or False?
True
Due to its power limitations, a Class 2 circuit considers safety from a fire initiation standpoint and provides acceptable protection from electric shock. True or False?
True
Exposed Class 2 and Class 3 cables shall be supported by straps, staples, hangers, or similar fittings designed and installed so as not to damage the cable. True or False?
True
One example of the use of Class 2 cables is a network of closed-circuit TV cameras using 24 AWG, 60 degree C rated, Type CL2R, Category 5e local area network (LAN) cables. True or False?
True
One example of the use of cables for Class 2 or Class 3 circuits that transmit power and data is the connection of closed-circuit TV cameras (CCTV). True or false?
True
Table 725.144 only lists four conductor sizes because the conductor sizes in data cables in wide-spread use are typically 22 to 26 AWG. True or False?
True
____________ fire alarm cables installed in ducts, plenums, or other spaces used for environmental air shall comply with 300.22.
a and b - Power-limited - Nonpowered-limited
Legally required standby system equipment shall be maintained in accordance with __________.
a and b - manufacturer instructions - industry standards
In emergency systems, only appliances and lamps required for emergency use shall be supplied by __________.
emergency lighting circuits
An emergency transfer switch for emergency systems shall supply only __________.
emergency loads
Optical fiber cables installed __________ on the surface of ceilings and walls shall be supported by the building structure in such a manner that cable will not be damaged by normal building use.
exposed
Article 760 covers the requirements for the installation of wiring and equipment of ____________.
fire alarm systems
Openings around penetrations of optical fiber cables and communications raceways through fire-resistant-rated walls, partitions, floors, or ceilings shall be __________ using approved methods to maintain the fire-resistance rating.
firestopped
Article 702 applies to __________ optional standby systems used for backup power to public or private facilities or property where life safety does not depend on the performance of the system.
a and b - permanently installed - portable
The requirements of 725.144(A) and (B) shall apply to Class 2 and Class 3 circuits that transmit ____________ to a powered device.
a and b - power - data
Accepted industry practices for optical fiber installations are described in __________.
all of these - ANSI/NECA/BICSI 568, Standard for Installing Commercial Building Telecommunications Cabling - ANSI/NECA/FOA 301, Standard for Installing and Testing Fiber Optic Cables - other ANSI-approved installation standards
Emergency systems transfer equipment, including transfer switches, shall be __________.
all of these - automatic - identified for emergency use - approved by the authority having jurisdiction
Transfer equipment for legally required standby systems, including automatic transfer switches, shall be __________.
all of these - automatic - identified for standby use - approved by the authority having jurisdiction
The power source for a Class 2 circuit shall be ____________.
any of these - a listed Class 2 transformer - a listed Class 2 power supply - other listed equipment marked to identify the Class 2 power source
Equipment supplying Class 2 or Class 3 circuits shall be durably marked where plainly visible to indicate ____________.
each circuit that is a Class 2 or Class 3 circuit
Cables and conductors of Class 2 and Class 3 circuits ____________ be placed with conductors of electric light, power, Class 1, non power-limited fire alarm circuits, and medium power network-powered broadband communications circuits.
shall not
Power-limited fire alarm cables installed within buildings shall be __________ as being resistant to the spread of fire.
listed
Types CL2P and CL3P plenum cable shall be ____________ as suitable for use in ducts, plenums, and other space for environmental air and shall be listed as having adequate fire-resistant and low-smoke producing characteristics.
listed
The alternate source for legally required standby systems shall not be required to provide ground-fault protection of equipment with automatic disconnecting means. true or false?
true
The exterior portion of raceways shall not be used as a means of support for Class 2 or Class 3 cables. true or false?
true
The requirements of Parts I and III of Article 725 and 300.11 shall apply to Class 2 and Class 3 circuits that transmit power and data. true or false?
true
Cables and conductors of two or more power-limited fire alarm circuits can be installed in the same cable, enclosure, cable tray, raceway, or cable routing assembly. true or false?
true
Class 2 and Class 3 cable not terminated at equipment and note identified for future use with a tag is considered abandoned. true or false?
true
The point of entrance of an optical fiber installation is the point __________ at which the optical fiber cable emerges from an external wall or from a concrete floor slab.
within a building
When a raceway is used for the support or protection of cables for fire alarm circuits, a bushing to reduce the potential for abrasion shall be placed at the location the cable emerge from the raceway. true or false?
true
When optical fiber cable is installed in a Chapter 3 raceway, the raceway shall be installed in accordance with Chapter 3 requirements. true or false?
true
Power-limited fire alarm cable used in a __________ location shall be listed for use in __________ locations or have a moisture-impervious metal sheath.
wet
A storage battery supplying emergency lighting and power for emergency systems shall maintain not less than 87 1/2 percent of normal voltage at total load for a period of at least __________ hour(s).
1 1/2
Where only half of the conductors in each cable are carrying current, the values in Table 725.144 shall be permitted to be increased by a factor of ____________.
1.40
When using Table 725.144, bundle sizes over ____________ cables, or conductor sizes smaller than 26 AWG, ampacities shall be permitted to be determined by qualified personnel under engineering supervision.
192
Where an internal combustion engine is used as the prime mover for the emergency system an on-site fuel supply shall be provided for not less than __________ hours of full-demand operation of the system.
2
For emergency systems, emergency lighting loads supplied by branch circuits rated at not greater than __________ shall be permitted to be transferred from the normal branch circuit to an emergency branch circuit using a listed branch-circuit emergency lighting transfer switch.
20A
Optical fiber cables are not required to be listed and marked where the length of the cable within the building, measured from its point of entrance, does not exceed __________ ft and the cable enters the building from the outside and is terminated in an enclosure.
50
In the event of failure of the normal supply to the building/structure, emergency power shall be available within __________ seconds.
60
___________ 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.
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).
Power-limited
A transfer switch shall be required for all fixed or portable optional standby power systems for buildings or structures at which an electric utility is either the normal or standby source, unless permitted by an exception. True or False?
True
Access to electrical equipment shall not be denied by an accumulation of remote-control, signaling, or power-limited wire and cables that prevents removal of panels, including suspended-ceiling panels. True or False?
True
Accessible portions of abandoned Class 2 and Class 3 cables shall be removed. True or False?
True
If a generator for emergency system power located outdoors is equipped with a readily accessible disconnecting means in accordance with 445.18 and the disconnecting means is located within sight (within 50 ft) of the building/structure, an additional disconnecting means isn't required on or at the building/structure for the generator feeder conductors that serve or pass through the building/structure. True or False?
True
Optional standby system wiring is permitted to occupy the same raceways, cables, boxes, and cabinets with other general wiring. True or False?
True
A sign shall be placed at the service entrance indicating the __________ of each on-site legally required standby power source.
a and b - type - location
A sign shall be placed at the service-entrance equipment indicating the ____________ of each on-site optional standby power source.
a and b - type - location
The power sources for limited-power circuits in 725.121(A)(3) and limited-power circuits for listed audio/video information technology (equipment) and listed industrial equipment in 725.121(A)(4) shall have a label indicating the maximum ____________ output for each connection point and is effective on January 1, 2018.
a and b - voltage - current
Wiring from an emergency source to supply emergency and other (nonemergency) loads shall be permitted if the common bus of separate sections of the switchgear, separate sections of the switchboard, or the individual enclosures are supplied by single or multiple feeders __________.
a and b - without overcurrent protection at the source - with overcurrent protection, provided that the overcurrent protection that is common to an emergency system and any nonemergency system(s) is selectively coordinated with the next downstream overcurrent protective device in the non-emergency system(s)
For optional standby systems, the temporary connection of a portable generator without transfer equipment shall be permitted where conditions of maintenance and supervision ensure that only qualified persons will service the installation, and where the normal supply is physically isolated by ____________.
a or b - a lockable disconnecting means - the disconnection of the normal supply conductors
Where a storage battery is used for control or __________, it shall be suitable for the purpose and shall be equipped with an automatic charging means independent of the generator set.
a or b - signal power - as the means of starting the prime mover
Fire alarm equipment supplying power-limited fire alarm circuits shall be durable marked where plainly visible to indicate each circuit that is __________.
a power-limited fire alarm circuit
Unit equipment for emergency systems shall be on the same branch circuit that serves the normal lighting in the area and connected __________ any local switches.
ahead of
An emergency system shall have adequate capacity and rating for __________ to be operated simultaneously.
all loads
A legally required standby system shall have adequate capacity and rating for __________ that are expected to operate simultaneously on the standby system.
all of the loads
Automatic transfer switches for emergency systems shall be __________.
all of these - electrically operated - mechanically held - listed for emergency system use
Fire alarm systems include ____________.
all of these - fire detection and alarm notification - guard's tour - sprinkler waterflow
Emergency systems circuit wiring shall be designed and located to minimize the hazards that might cause failure because of __________.
all of these - flooding - fire - icing
Emergency equipment for emergency systems shall be designed and located so as to minimize the hazards that might cause complete failure due to __________.
all of these - flooding - fires - icing and vandalism
A generator set for a legally required standby system shall __________.
all of these - have means for automatically starting the prime mover - have not less than 2 hours of fuel supply for full-demand operation available on-site if the prime mover is an internal combustion engine - not be solely dependent on a public utility gas system unless acceptable to the AHJ.
Emergency systems are generally installed where artificial illumination is required for safe exiting and for panic control in buildings occupied by large numbers or persons, such as __________ and similar institutions.
all of these - hotels - theaters and sports arenas - health care facilities
Article 725 covers ____________ circuits that are not an integral part of a device or of utilization equipment.
all of these - remote-control - signaling - power-limited
Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in plenum cable routing assemblies, riser cable routing assemblies, and general purpose cable routine assemblies when ____________.
all of these - selected in accordance with Table 800.154 (c) - listed in accordance with the provisions of 800.182 - installed in accordance with 800.110(C) and 800.113
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 ____________.
all of these - selected in accordance with Table 800.154(c) - listed in accordance with the provisions of 800.182 - installed in accordance with 800.110(C) and 800.113
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 nonmetallic tubing apply.
all of these - selected in accordance with Table 800.154(c) - listed in accordance with the provisions of 800.182 - installed in accordance with 800.113 and 362.24 through 362.56
Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general-purpose communications raceways when ____________, where the requirements applicable to electrical nonmetallic tubing (ENT) apply.
all of these - selected in accordance with the provisions of Table 800.154(b) - listed in accordance with 800.182 - installed in accordance with 800.113 and 362.24 through 362.56
Optical fiber cables shall not be __________ to the exterior of any conduit or raceway as a means of support.
all of these - strapped - taped - attached
Cable splices or terminations in power-limited fire alarm systems shall be made in listed __________ or utilization equipment.
any of these - fittings - boxes or enclosures - fire alarm devices
The __________ shall conduct or witness a test of the complete emergency system upon installation and periodically afterward.
authority having jurisdiction
The __________ shall conduct or witness a test of the complete legally required standby system upon installation.
authority having jurisdiction
The branch-circuit overcurrent devices for legally required standby systems shall be accessible only to __________.
authorized persons
Emergency circuits shall be permanently marked so they will be readily identified as a component of an emergency circuit or system and receptacles supplied from the emergency system shall have a(n) __________ color or marking on the receptacle cover plates or the receptacles.
distinctive
Conductive optical fiber cables can occupy the same cable tray, raceway, box, enclosure, or cable routing assembly with conductors for electric light, power, and Class 1 circuits. true or false?
false
Power-limited fire alarm cable can be supported by strapping, taping, or attaching to the exterior of a conduit or raceway. true or false
false
Testing legally required standby system lighting and power systems during maximum anticipated load conditions shall be avoided so as not to tax the standby system unnecessarily. true or false?
false
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. true or false?
false
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 raceways 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 explosionproof seal ____________.
isn't required for this purpose
If remote-control, signaling, and power-limited circuits 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 an approved material that will prevent the circulation of warm air to a colder section of the raceway. And explosionproof seal ____________.
isn't required for this purpose
Where acceptable to the authority having jurisdiction, connections ahead of and not within the same cabinet, enclosure, vertical switchgear section, or vertical switchboard section as the service disconnecting means shall be permitted for __________ standby service.
legally required
Emergency systems may provide power for ventilation where essential to maintain life, fire detection, and alarm systems, elevators, fire pumps, public safety communications systems, industrial processes where current interruption would produce serious __________.
life safety or health hazards
Class 2, Class 3, and Type PLTC cables, installed as wiring methods within buildings, shall be ____________ as resistant to the spread of fire and other criteria in accordance with 725.179(A) through (I) and shall be marked in accordance with 725.179(J).
listed
Automatic transfer switches on legally required standby systems shall be electrically operated and __________ held.
mechanically
Power-supply conductors and Class 1 circuit conductors can occupy the same cable, enclosure, or raceway ____________.
only where the equipment powered is functionally associated
Audio system circuits using Class 2 or Class 3 wiring methods shall not be installed in the same cable, raceway, or cable routing assembly with __________.
power-limited fire alarm conductors or cables
Access to electrical equipment shall not be denied by an accumulation of optical fiber cables that __________ removal of panels, including suspended-ceiling panels.
prevents
Since Class 3 control circuits permit higher allowable levels of voltage and current than Class 2 circuits, additional ____________ are specified to provide protection against the electric shock hazard.
safeguards
Emergency power systems are those systems legally required and classed as emergency by a governmental agency having jurisdiction. These systems are intended to automatically supply illumination and/or power essential for __________.
safety to human life
A legally required standby system is intended to automatically supply power to __________ in the event of failure of the normal source.
selected loads
If wiring from an emergency source is used to supply emergency and other loads, then __________ switchgear sections or switchboard sections, with or without a common bus, or individual disconnects mounted in separate enclosures shall be used to separate emergency loads from all other loads.
separate vertical
Conductors of Class 2 and Class 3 circuits shall not be placed in any enclosure, raceway, cable, or similar fittings with conductors of Class 1 or electric light or power conductors, unless ____________.
separated by a barrier
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.
testing and servicing
Class 2 cables identified for future use shall be marked with a tag of sufficient durability to withstand ____________.
the environment involved
Fire alarm cables identified for future use shall be marked with a tag of sufficient durability to withstand __________.
the environment involved
Legally required standby system equipment shall be suitable for __________ at its terminals.
the maximum available fault current
Exposed fire alarm circuit cables installed exposed on the surface of ceilings and walls shall be supported by the building structure using straps, staples, hangers, cable tires or similar fittings designed and installed so as not to damage the cable. true or false?
true
Exposed optical fiber cables shall be supported by the building structure using hardware including straps, staples, cable ties, hangers, or similar fittings, designed and installed so as not to damage the cable. true or false?
true
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. true or false?
true
In locations containing an emergency system, a sign shall be placed at the service-entrance equipment indicating the type and location of each on-site emergency power source. true or false?
true
Optical fiber cables not terminated at equipment other than a connector, and not identified for future use with a tag are considered abandoned. true or false?
true
Optical fibers shall be permitted within the same composite cable as electric light, power, and Class 1 circuits operating at 1,000V, or less where the functions of the optical fibers and the electrical conductors are associated. True or false?
true
Where a portable generator greater than 15 kW, and for permanently installed generators for an optional standby system is installed outdoors and equipped with a readily accessible disconnecting means located ____________, an additional disconnecting means is not required where ungrounded conductors serve or pass through the building or structure.
within sight of the building or structure
