FA5

Question 1

Which article of the NEC covers burglary system wiring?

a. Article 725 b. Article 727
c. Article 760 d. none of the above

Answer 1

a. Article 725

Question 2

Non-power-limited circuits operate with voltages up to ____.

a. 150 V b. 300 V
c. 600 V d. 750V

Answer 2

c. 600 V

Question 3

Tables ____ provide limitations for power-limited circuits.

a. 10A and 10B b. 11A and 11B
c. 12A and 12B d. 13A and 13B

Answer 3

c. 12A and 12B

Question 4

Non-power-limited speaker circuits can operate as high as _________

a. 150 V b. 300 V
c. 450 V d. 600 V

Answer 4

d. 600 V

Question 5

Power-limited wiring requirements are found in Part ___ of Article 760.

a. I b. II
c. III d. IV

Answer 5

c. III

Question 6

Power-limited equipment is determined to meet the limitations of ______________.

a. NFPA 72 b. the installer
c. the manufacturer d. the testing laboratory

Answer 6

c. the manufacturer

Question 7

Underground power-limited copper fire alarm circuits that extend outside the building must comply with ____.

a. Parts II, III and IV of Article 800 and Part I of Article 300
b. Parts II, III and IV of Article 300 or Part I of Article 800
c. Parts II, III and IV of Article 800 or Part I of Article 225
d. Parts II, III and IV of Article 300 or Part I of Article 225

Answer 7

a. Parts II, III and IV of Article 800 and Part I of Article 300

Question 8

Are fire alarm cables permitted to be laid directly on top of suspended ceiling tiles? explain

Answer 8

No - they cannot be damaged or lay in the way of normal building use.

Question 9

The inside of a conduit installed under a concrete slab at grade level is considered a ___ location.

a. corrosive b. damp
c. dry d. wet

Answer 9

d. wet

Question 10

What cable type is suitable for two hours of direct attack by fire?

Answer 10

Circuit integrity (CI) cable and mineral integrity (MI)

Question 11

Fire alarm circuit survivability is required for ____

a. complete evacuation
b. partial evacuation or relocation
c. both of the above
d. neither of the above

Answer 11

c. both of the above

Question 12

Circuit integrity (CI) cable can be spliced between the controls and the zone it serves. True or False

Answer 12

False

Question 13

Power-limited circuits may be wired using ____.

a. Chapter 3 wiring methods
b. non-power-limited wiring methods
c. power-limited wiring methods
d. all of the above

Answer 13

d. all of the above

Question 14

Assuming that there are no approved separations between conductors, which of the following conductors are permitted in the same cable or raceway as power-limited circuit conductors?

a. Class 1 b. Class 2
c. non-power-limited d. none of the above

Answer 14

a. Class 2

Question 15

Type NPLFR cable is permitted to be wired exposed in a plenum space. Explain

Answer 15

No - it’s a riser and not allowed by code. You can ues it as NPLF requirements.

Question 16

Failure to remove conduit burrs usually results in ____

Answer 16

ground fault

Question 17

The proper non-power-limited cable for riser use is __

a. FPLP b. FPLR
c. NPLFP d. NPLFR

Answer 17

d. NPLFR

Question 18

Describe the conditions under which abandoned fire alarm cables are permitted to remain in a building. Why?

Answer 18

If they are tagged for future use - it’s the code

Question 19

Non-power-limited circuits may be wired using what methods?

Answer 19

Cables below 7’ must be protected.
Exposed cables must be supported - no more than 18”
Pass through floor or wall must be protected by raceway.
Cable type NPLF, NPLFR, and NPLFP

Question 20

Where non-power-limited wiring is installed exposed, it must be mechanically protected within ___ of the finished floor.

a. 3’ b. 5’
c. 7’ d. 9’

Answer 20

c. 7’

Question 21

Fire alarm circuit conductor above a suspended ceiling may use the same support wires that support the ceiling grid. True or False

Answer 21

False

Question 22

Fire alarm cables are permitted to be strapped to other conduit. True or False

Answer 22

False

Question 23

The location of unit resistances for copper wire is found in ___ of the NEC.

a. Table 3 b. Table 5
c. Table 8 d. Table 12A

Answer 23

a. Table 8

Question 24

An 18 AWG uncoated solid copper has a unit resistance of ____ per 1,000 feet.

a. 25.5 Ω b. 7.77 Ω
c. 26.5 Ω d. 8.08 Ω

Answer 24

b. 7.77 Ω

Question 25

A circuit that is 1,500 feet from the control unit to the last device will have a loop resistance of ___ when an 18 AWG uncoated solid copper is used.

a. 11.625 Ω b. 23.310 Ω
c. 38.25 Ω d. 76.53 Ω

Answer 25

b. 23.310 Ω

Question 26

What is the length of a 16 AWG solid coated copper conductor having a resistance of 23.5 ohms?

a. 4,626’ b. 4,442’
c. 8,884’ d. 9,252’

Answer 26

a. 4,626’

Question 27

Firestopping materials are always listed. True or False

Answer 27

false

Question 28

A firestopping classification having a minimum F rating of ___ must be used on a two-hour rated firewall to resist the passage of flames.

a. 90 b. 100
c. 110 d. 120

Answer 28

d. 120

Question 29

NEC ___ requires electrical penetrations to be firestopped.

a. 320.21 b. 300.21
c. 321.20 d. 321.21

Answer 29

b. 300.21

Question 30

A firestopping material that expands when heated is referred to as _____.

a. classified b. dynamic
c. intumescent d. static

Answer 30

d. intumescent

Question 31

A cable tray is considered as a ____ penetration.

a. dynamic b. restricted
c. static d. T-rated

Answer 31

a. dynamic

Question 32

Which of the following documents can assist in determining if an assembly is two-hour rated?

a. Architectural floor plans
b. National Electrical Code
c. UL Fire Resistance Directory
d. UL 1971

Answer 32

UL Fire Resistance Directory