NICET Electrical Systems for Fire Protection

Question 1

Which article of the National Electrical Code (NEC) governs fire alarm system wiring?

Accepted Answer

Article 760

Answer

Article 700

Answer

Article 720

Answer

Article 800

Question 2

What type of cable is listed for use in fire alarm systems according to NEC Article 760?

Accepted Answer

FPL or FPLR

Answer

THHN

Answer

NM-B

Answer

USE-2

Question 3

What is the maximum voltage for a Power-Limited Fire Alarm (PLFA) circuit?

Accepted Answer

150V

Answer

30V

Answer

50V

Answer

600V

Question 4

Under NEC Article 760, where must PLFA cables be separated from non-power-limited conductors?

Accepted Answer

Separated by a minimum 2-inch gap in open wiring or installed in separate raceways

Answer

No separation required if in the same conduit

Answer

Only separated in areas above suspended ceilings

Answer

Separated only when voltages differ by more than 100V

Question 5

What is required when a fire alarm circuit passes through a fire-rated wall?

Accepted Answer

A fire-rated conduit sleeve or listed firestop system must be used

Answer

No special requirements apply

Answer

The circuit must be rerouted to avoid the wall

Answer

Only metal conduit may be used

Question 6

What does the term 'survivability' mean in the context of fire alarm circuits?

Accepted Answer

The circuit's ability to continue operating during a fire

Answer

The ability of a detector to withstand high temperatures

Answer

The backup battery duration

Answer

The surge protection rating of the panel