NFPA 72 (2025) Actual Exam
Questions and Answers A+ Graded
What .does .PFLA .stand .for? .- .CORRECT .ANSWER-Power .Limited .Fire .Alarm.
What .does .NPFLA .stand .for? .- .CORRECT .ANSWER-Non-Power .Limited .Fire
.Alarm.
What .material .must .NPFLA .circuit .conductors .be .made .from? .- .CORRECT
.ANSWER-Only .solid .or .stranded .copper .is .permitted.
What .is .a .single .station .detector? .- .CORRECT .ANSWER-Battery .powered
.smoke .detectors .that .do .not .communicate .off .premises.
What .is .a .multiple .station .detector? .- .CORRECT .ANSWER-Mains .powered
.smoke .detectors .with .battery .backup .that .are .linked .together, .so .that .if .one
.unit .initiates, .alarms .in .all .detectors .will .sound. .They .do .not .communicate .off
.premises.
How .frequently .must .household .single .and .multiple .station .detectors .be
.inspected .and .tested? .- .CORRECT .ANSWER-In .accordance .with .the
.manufacturers .recommendations, .at .least .monthly.
How .frequently .must .household .fire .alarm .systems .be .inspected .and .tested? .-
.CORRECT .ANSWER-At .least .every .3 .years, .by .a .qualified .service .technician.
How .frequently .must .heat .detectors .be .tested? .- .CORRECT .ANSWER-Two .or
.more .annually .different .detectors .must .be .tested .each .year .though .and .within
.5 .years .all .detectors .must .have .been .tested.
What .does ."restorable" .mean? .- .CORRECT .ANSWER-The .detector .can .be
."restored" .or ."reused" .after .it .has .initiated .an .alarm.
What .does ."non-restorable" .mean? .- .CORRECT .ANSWER-The .detector .cannot
.be ."reused" .after .it .has .initiated .an .alarm. .(Think .of .a .heat .detector, .which .self-
destructs .upon .initiating.)
What .size .conductors .are .permitted? .- .CORRECT .ANSWER-Size .18 .A.W.G .and
.16 .A.W.G .are .permitted, .provided .they .do .not .exceed .certain .rated .ampacities.
, What .is .used .to .protect .transformers .or .other .devices .supplied .from .power-
supply .conductors? .- .CORRECT .ANSWER-An .over-current .device .not .rated
.over .20 .Amperes.
When .located .within .7 .feet .of .the .floor, .how .shall .cables .be .fastened? .-
.CORRECT .ANSWER-Cables .shall .be .fastened .in .an .approved .manner .at
.intervals .of .not .more .than .18 .inches.
Single .conductors .shall .not .be .smaller .than .___ .A.W.G? .- .CORRECT .ANSWER-
18.
Conductors .of .26 .A.W.G .shall .only .be .permitted .in .which .circumstances? .-
.CORRECT .ANSWER-Where .spliced .with .a .connector .listed .as .suitable .for .26 .to
.24 .A.W.G.
How .should .PFLA .conductors .NOT .be .installed? .- .CORRECT .ANSWER-PFLA
.conductors .shall .not .be .strapped, .taped .or .attached .to .the .exterior .of .any
.conduit .or .raceway.
What .is .a .Plenum .cable? .What .are .its .characteristics? .- .CORRECT .ANSWER-
Cable .that .can .be .installed .in .ducts, .plenums .or .other .spaces .used .for
.environmental .air. .
It .has .adequate .fire .resistance .and .low .smoke .producing .characteristics.
What .is .Riser .cable? .What .are .its .characteristics? .- .CORRECT .ANSWER-Cable
.to .be .used .in .vertical .wire .runs .in .shafts .or .between .floors. .Not .to .be .used
.where .Plenum .cable .is .required. .
It .is .capable .of .preventing .fire .from .rising .floor-to-floor.
What .is .General .Purpose .cable? .What .are .it's .characteristics? .- .CORRECT
.ANSWER-Cable .for .general .purpose .fire .alarm .use. .Not .to .be .used .where
.Plenum .or .Riser .cable .is .required. .
It .is .resistant .to .the .spread .of .fire.
What ."type" .shall .plenum .cable .be? .What .substitutions .are .allowed? .-
.CORRECT .ANSWER-Power .Limited .Fire .Alarm .Plenum .(FPLP) .CMP .can .be
.substituted.
What ."type" .shall .riser .wire .be? .What .substitutions .are .permitted? .- .CORRECT
.ANSWER-Power .Limited .Fire .Alarm .Riser .(FPLR) .CMP, .FPLP, .CMR .can .be
.substituted.
What ."type" .shall .general .purpose .wire .be? .What .substitutions .are .permitted? .-
.CORRECT .ANSWER-Power .Limited .Fire .Alarm .(FPL) .CMP, .FPLP, .CMR, .FPLR,
.CMG .and .CM .can .be .substituted. .
Questions and Answers A+ Graded
What .does .PFLA .stand .for? .- .CORRECT .ANSWER-Power .Limited .Fire .Alarm.
What .does .NPFLA .stand .for? .- .CORRECT .ANSWER-Non-Power .Limited .Fire
.Alarm.
What .material .must .NPFLA .circuit .conductors .be .made .from? .- .CORRECT
.ANSWER-Only .solid .or .stranded .copper .is .permitted.
What .is .a .single .station .detector? .- .CORRECT .ANSWER-Battery .powered
.smoke .detectors .that .do .not .communicate .off .premises.
What .is .a .multiple .station .detector? .- .CORRECT .ANSWER-Mains .powered
.smoke .detectors .with .battery .backup .that .are .linked .together, .so .that .if .one
.unit .initiates, .alarms .in .all .detectors .will .sound. .They .do .not .communicate .off
.premises.
How .frequently .must .household .single .and .multiple .station .detectors .be
.inspected .and .tested? .- .CORRECT .ANSWER-In .accordance .with .the
.manufacturers .recommendations, .at .least .monthly.
How .frequently .must .household .fire .alarm .systems .be .inspected .and .tested? .-
.CORRECT .ANSWER-At .least .every .3 .years, .by .a .qualified .service .technician.
How .frequently .must .heat .detectors .be .tested? .- .CORRECT .ANSWER-Two .or
.more .annually .different .detectors .must .be .tested .each .year .though .and .within
.5 .years .all .detectors .must .have .been .tested.
What .does ."restorable" .mean? .- .CORRECT .ANSWER-The .detector .can .be
."restored" .or ."reused" .after .it .has .initiated .an .alarm.
What .does ."non-restorable" .mean? .- .CORRECT .ANSWER-The .detector .cannot
.be ."reused" .after .it .has .initiated .an .alarm. .(Think .of .a .heat .detector, .which .self-
destructs .upon .initiating.)
What .size .conductors .are .permitted? .- .CORRECT .ANSWER-Size .18 .A.W.G .and
.16 .A.W.G .are .permitted, .provided .they .do .not .exceed .certain .rated .ampacities.
, What .is .used .to .protect .transformers .or .other .devices .supplied .from .power-
supply .conductors? .- .CORRECT .ANSWER-An .over-current .device .not .rated
.over .20 .Amperes.
When .located .within .7 .feet .of .the .floor, .how .shall .cables .be .fastened? .-
.CORRECT .ANSWER-Cables .shall .be .fastened .in .an .approved .manner .at
.intervals .of .not .more .than .18 .inches.
Single .conductors .shall .not .be .smaller .than .___ .A.W.G? .- .CORRECT .ANSWER-
18.
Conductors .of .26 .A.W.G .shall .only .be .permitted .in .which .circumstances? .-
.CORRECT .ANSWER-Where .spliced .with .a .connector .listed .as .suitable .for .26 .to
.24 .A.W.G.
How .should .PFLA .conductors .NOT .be .installed? .- .CORRECT .ANSWER-PFLA
.conductors .shall .not .be .strapped, .taped .or .attached .to .the .exterior .of .any
.conduit .or .raceway.
What .is .a .Plenum .cable? .What .are .its .characteristics? .- .CORRECT .ANSWER-
Cable .that .can .be .installed .in .ducts, .plenums .or .other .spaces .used .for
.environmental .air. .
It .has .adequate .fire .resistance .and .low .smoke .producing .characteristics.
What .is .Riser .cable? .What .are .its .characteristics? .- .CORRECT .ANSWER-Cable
.to .be .used .in .vertical .wire .runs .in .shafts .or .between .floors. .Not .to .be .used
.where .Plenum .cable .is .required. .
It .is .capable .of .preventing .fire .from .rising .floor-to-floor.
What .is .General .Purpose .cable? .What .are .it's .characteristics? .- .CORRECT
.ANSWER-Cable .for .general .purpose .fire .alarm .use. .Not .to .be .used .where
.Plenum .or .Riser .cable .is .required. .
It .is .resistant .to .the .spread .of .fire.
What ."type" .shall .plenum .cable .be? .What .substitutions .are .allowed? .-
.CORRECT .ANSWER-Power .Limited .Fire .Alarm .Plenum .(FPLP) .CMP .can .be
.substituted.
What ."type" .shall .riser .wire .be? .What .substitutions .are .permitted? .- .CORRECT
.ANSWER-Power .Limited .Fire .Alarm .Riser .(FPLR) .CMP, .FPLP, .CMR .can .be
.substituted.
What ."type" .shall .general .purpose .wire .be? .What .substitutions .are .permitted? .-
.CORRECT .ANSWER-Power .Limited .Fire .Alarm .(FPL) .CMP, .FPLP, .CMR, .FPLR,
.CMG .and .CM .can .be .substituted. .
