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Fire alarm lesson 5&6 Questions and Answers 100% Correct
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Fire alarm lesson 5&6 Questions and Answers 100% Correct Which article of the NEC covers burglary system wiring? Article 725 Correct Non-power-limited circuits operate with voltages up to ? . 600 V Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:08 / ...

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  • October 3, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • fire alarm lesson 56 questions and answers 100 c
  • which article of the nec covers burglary system wi
  • generally speaking power limited fire alarm circu
  • power limited equipment circuit limitations are ve

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  • Fire Alarm

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Fire alarm lesson 5&6 Questions and
Answers 100% Correct

Which article of the NEC covers burglary system wiring? - answer Article 725 Correct

Non-power-limited circuits operate with voltages up to ? . - answer600 V

Tables ? and ? provide limitations for power-limited circuits. - answer12A and 12B

Generally speaking, power-limited fire alarm circuits operate at ? . - answerless than
100 VA

Power-limited wiring requirements are found in Part ? of Article 760. – answer III

Power-limited equipment circuit limitations are verified by ? . – answer The testing
laboratory

Underground power-limited copper fire alarm circuits that extend outside the building
must comply with ? . - answerParts II, III, and IV of Article 800 and Part I of Article 300

Fire alarm cables are permitted to be laid directly on top of suspended ceiling tiles. -
answerFalse

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

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

Fire alarm circuit survivability is required for systems using ? . - answer. partial
evacuation or relocation

Circuit integrity (CI) cable can be spliced with off-the-shelf twist-on connectors between
the controls and the zone it serves. - answerFlase

Power-limited circuits may be wired using ? . - answer1. Chapter 3 wiring methods
2. non-power-limited wiring methods
3. power-limited wiring methods

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? - answerClass 2

, Which cable type is permitted to be installed exposed in a plenum space? -
answerFPLP

Failure to remove conduit burrs usually results in ? . - answerground faults

The proper non-power-limited cable for riser use is ? . - answerNPLFR

Under what conditions can abandoned fire alarm cables remain in a building? -
answerWhen they are tagged for future use

Non-power-limited circuits may be wired using which of the following? - answerTHHN in
EMT

Where non-power-limited wiring is installed exposed, it must be mechanically protected
within ? of the finished floor. - answer7'

Fire alarm circuit conductors above a suspended ceiling may use the same support
wires that support the ceiling grid. - answerFalse

Fire alarm cables are permitted to be strapped to other conduit. - answerFalse

The location of unit resistances for copper wire is found in ? of the NEC. - answerTable
8

An 18 AWG uncoated solid copper conductor has a unit resistance of ? per 1,000 feet. -
answer7.77 Ω

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 conductor is used. -
answer23.310 Ω

What is the length of a 16 AWG solid coated copper conductor having a resistance of
23.5 ohms? - answer4,626'

Firestopping materials are always listed - answerFalse

A firestopping classification having a minimum F rating of ? must be used on a two-hour
rated firewall to resist the passage of flames. - answer120

NEC ? requires electrical penetrations to be firestopped. - answer300.21

A firestopping material that expands when heated is referred to as ? . -
answerIntumescent

A cable tray is considered a ? penetration. - answerDynamic

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