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

NEC Article 760 covers the installation of wiring and equipment for fire alarm systems in buildings.

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

FPL (Fire Power Limited) and FPLR (Fire Power Limited Riser) cables are specifically listed for fire alarm system wiring under NEC Article 760.

Question 3

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

Accepted Answer

150V

Answer

Power-limited fire alarm circuits operate at a maximum of 150 volts under NEC Article 760.

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

PLFA cables must be separated from non-power-limited conductors by at least 2 inches in open wiring or run in separate raceways to prevent induction and damage.

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

Fire alarm circuit penetrations through fire-rated assemblies must be protected with listed firestop systems to maintain the fire rating of the assembly.

NICET - National Institute for Certification in Engineering Technologies Practice Test

NICET - National Institute for Certification in Engineering Technologies Practice Test

NICET Electrical Systems for Fire Protection