1、 An Americ An nA tion Al St And Ard NECA 305-2010 Standard for Fire Alarm System Job Practices Published by National Electrical Contractors AssociationT #! o! ! ! &“# o !#“ N n meion+l %+nd+d $“ & #o #! o#!#o!“ “o#o+his page intenti?nally left blank o Syste Overview efiniion= “+ll+ion Receive I?ve?t
2、ry a?d Stre quipe?t cue?ts * =s !b Supervisi? &=a? the I?sta=ati? !b &acs n=+ll i+ll %y=em Wie?ts I?sta=ati? uide=i?es auti?s n=+ll ield eice= Ma?ua= ire =ar x rea S Ses Visib=e $tificati? pp=ia?ces Strbes * igita= =ar u?icatr *ra?sitter T+ble of onen= % heck %y=em Wi+ll+ion heck %y=em !peion $tific
3、ati? f * esti?g ?tr= * est +?its ie=d evice * est &reparati? M?itri?g fr I?tegrity * ests fte? referred t as circuit supervisi? evice * ests i?a=iKe !b n=pec Te= +nd +in+in de Refere?ces e?era= &rcedures Qua=ificati?s f Service &ers?e= I?specti? * esti?g Mai?te?a?ce Recrds I?specti? * esti?g a?d Mai
4、?te?a?ce auti?s ppendix $efe+nd+d= N #! o! ! ! &“# o !#“% Nati?nal lectrical !nstallati?n *tandards are desig?ed t iprve cu?icati? a?g speci fiers purchasers a?d supp=iers f e=ectrica= c?struc ti? services*hey defi?e a i?iu base=i?e f qua=ity a?d wrsN!* are i?te?ded t be ref ere?ced i? c?tract dcue?
5、ts fr e=ectrica= c? structi? prjects*he f=wi?g =a?guage is rec e?ded ire a=ar systes sha= be i?sta=ed tested a?d ai?tai?ed i? accrda?ce with the requiree?ts f $ *tandard f?r ire lar= *yste= “?b ractices $SI+se f N!* is v=u?tary a?d the $ati?a= =ectrica= ?tractrs ssciati? assues ? b=igati? r =ia bi=i
6、ty t users f this pub=icati?xiste?ce f a sta? dard sha= ?t prec=ude a?y eber r ? eber f $ fr specifyi?g r usi?g a=ter?ate c?struc ti? ethds peritted by app=icab=e regu=ati?sverythi?g i? this pub=icati? is i?te?ded t cp=y with the editi?s f the $ati?a= ire =ar de a?d the $ati?a= =ectrica= de $ i? eff
7、ect at the tie f pub=icati?N!* are ?t i?te?ded t dup=icate the safety requiree?ts f these cdes r t estab=ish regu=atry requiree?ts fr e=ectrica= c? structi?It is the resp?sibi=ity f users f this sta? dard t cp=y with state a?d =ca= e=ectrica= cdes whe? i?sta=i?g e=ectrica= prducts a?d systes*his sta
8、?dard was deve=ped by the $ati?a= =ectrica= ?tractrs ssciati? $Suggesti?s fr revisi?s a?d iprvee?ts t this sta?dard are we=ce*hey shu=d be addressed t $ des a?d Sta?dards ethesda Metr e?ter Suite ethesda M * e=eph?e ax wwwnecaneis?rg neisnecanet?rg * purchase Nati?nal lectrical !nstallati?n *tandard
9、s c?tact the $ Order esat fr wwwnecaneis?rg standards pyrightX $ati?a= =ectrica= ?tractrs ssciati?= rights reserved+?authriKed repr ducti? prhibitedNati?nal lectrical !nstallati?n *tandards a?d N!* are tradear de $ati?a= =ectrica= de a?d $ are registered tradears f the $ati?a= ire &rtecti? ssciati?
10、Qui?cy Massachusetts?ver i=age c?urtesy ?f *i=plex rinnell oewod +his f?rew?rd is n?t a part ?f the standard+his page intenti?nally left blank *his sta?dard describes practices fr i?sta=i?g test i?g a?d ai?tai?i?g fire a=ar systes*hese jb practices represe?t a i?iu =eve= f qua=ity fr fire a=ar syste
11、 i?sta=ati?s*his sta?dard is i?te?ded t defi?e what is ea?t by i?sta=i?g equipe?t i? a ?eat a?d wrati? i? this pub=icati? is i?te?ded t cp=y with the f=wi?g sta?dardsI?sta=ers shu=d a=ways f=w $& $ati?a= ire =ar de $& $ati?a= =ectrica= de $ app=icab=e state a?d =ca= cdes a?d a?u facturers i?structi?
12、s whe? i?sta=i?g fire a=ar equipe?t a?d systes$te = refere?ces i? this sta?dard are t $& a?d $& iem !e syste is “ sys te= ?r p?rti?n ?f a syste= c?nsisting ?f c?=p?nents and circuits arranged t? =?nit?r and annunciate the status ?f fire alar= ?r supervis?ry signal initiating devices and t? initiate
13、appr?priate resp?nse t? th?se signals ” I? rder t eet the i?te?t f the defi?iti? a= fire a=ar syste i?sta=ati?s ust c?fr t $ati?a= ire =ar de $& requiree?ts= syste c p?e?ts ust be =isted fr use i? a fire a=ar systedditi?a=y the syste ust eet =ca= cdes a?d be apprved by the authrity havi?g jurisdicti
14、?sSip=y put a fire a=ar syste detects fire c?di ti?s ?tifies bui=di?g ccupa?ts a?d eerge?cy resp?se pers?e= a?d prvides c?tr= fu?cti?s e=evatrs fa?s dapers etc wever there is a ajr differe?ce betwee? fire a=ar systes a?d st ther e=ectrica= systes fire a=ar syste ?itrs fie=d wiri?g a?d cp?e?ts fr per
15、ati?a= readi?essI? a typica= e=ectrica= syste a brstat ca=s fr heat r c=i?g*he fire a=ar syste ?itrs fr brp?e?tsach f these fau=ts ge? erates a visib=e a?d audib=e trub=e sig?a=*he required fire a=ar syste fu?cti?a=ity ap=eti? a?d perati? f the systeire a=ar systes i?terc?ect with ther systes fr the
16、 purpse f prvidi?g c?tr= sig?a=s duri?g a fire eerge?cyIt is seties difficu=t t deteri?e where the fire a=ar syste stps a?d ther systes startIf a fire a=ar syste c?tr=s a?d pwers the “ther syste” the “ther syste” is part f the fire a=ar systexap=e fire a=ar syste ca? c? tr= a?d pwer a s a systeOr a
17、fire a=ar syste ca? prvide sig?a=s e g re=ay c?tacts t a sepa rate=y =isted s which has its w? pwer surce *his “ther syste” is ?t part f the fire a=ar syste*he wiri?g requiree?ts fr the “ther syste” are cvered by the $ but ?t cv ered by rtic=e *he f=wi?g Secti? fr the $ prvides guida?ce“ *c?pe +his
18、article c?vers the installati?n ?f wiring and equip =ent ?f fire alar= syste=s including all circuits c?n tr?lled and p?wered by the fire alar= syste= N N? ire alar= syste=s include fire detecti?n and alar= n?tificati?n guards t?ur sprinkler water fl?w and sprinkler supervis?ry syste=s ircuits c?n t
19、r?lled and p?wered by the fire alar= syste= include circuits f?r the c?ntr?l ?f building syste=s safety func ti?ns elevat?r capture elevat?r shutd?wn d?r release %copes=?ke d?rs and da=per c?ntr?l fire d?rs and da=per c?ntr?l and fan shutd?wn but ?nly where these circuits are p?wered by and c?ntr?ll
20、ed by the fire alar= syste= ?r further inf?r=ati?n ?n the installa ti?n and =?nit?ring f?r integrity require=ents f?r fire alar= syste=s refer t? the N Nati?nal ire lar= ?de N N? lass and circuits are defined in rticle ” *he f=wi?g tab=e shws hapter assig?e?ts fr the a?d editi?s f $& $ati?a= ire =ar
21、 deN #! o! ! ! &“# o !#“ T+ble ie= N“! di?istrati? Refere?ced &ub=icati?s efi?iti?s u?dae?ta=s f ire =ar Systes I?itiati?g evices &rtected &reises ire =ar Systes $tificati? app=ia?ces fr ire =ar Systes Supervisi?g Stati? ire =ar Systes &ub=ic ire Reprti?g Systes I?specti? * esti?g a?d Mai?te?a?ce Si
22、?g=e a?d Mu=tip=e Stati? =ars a?d useh=d ire =ar Systes ire War?i?g quipe?t fr we=i?g +?its xp=a?atry Materia= ppe?dix ?ex ?ex ?gi?eeri?g uide fr utatic ppe?dix ?ex ?ex ire etectr Spaci?g Wiri?g iagras a?d uide fr * esti?g $ ?ex ?ex ire =ar ircuits Sap=e Ordi?a?ce dpti?g $& $ ?ex ?ex Mass $tificati?
23、s Systes $ $ ?ex $M S ire *ervice nnunciat?r and !nterface $ $ ?ex I?frati?a= Refere?ces ?ex ?ex rss Refere?ce *ab=es ?ex ?ex I?dex I?dex I?dex I?dexcknowledge * c?fir that a essage r sig?a= has bee? received such as by the pressi?g f a butt? r the se=ecti? f a sftware ca?ddd syste cp ?e?t with disc
24、rete ide?tifica ti? that ca? have its status i?dividua=y ide?tified r that is used t i?dividua=y c?tr= ther fu?cti?sieco the detectr t the areas t be prtected? aspirati? fa? i? the detectr husi?g draws air fr the prtected area bacp=i?g prts pipi?g r tubi?gt the detectr the air is a?a=yKed fr fire pr
25、ductsl+er ge?cy that requires iediate acti? such as a sig?a= i?dica tive f firel+ion feature f autatic fire e+? systes t reduce u?wa?ted a=ars wherei? s c?diti?s fr a i?iu perid f tie r c?fir a=ar c?diti?s withi? a give? tie perid after bei?g reset i? rder t be accepted as a va=id a=ar i?iti ati? si
26、g?a= ati? sig?a=nn?nci+ore i?dicatr =aps a=pha?ueric disp=ays r ther equiva=e?t ea?s i? which each i?dica ti? prvides status i?fra ti? abut a circuit c?diti? r =cati?xili+ used t c?ect a l+em prtected preises fire a=ar syste t a pub=ic fire a=ar reprti?g syste fr tra?sit ti?g a? a=ar t the pub=ic fi
27、re service cu?icati?s ce?tere *he rt ea? square %o?nd eel weighted su?d pressure =eve= easured ver the perid f tie that a?y pers? is pre se?t r a hur perid whichever tie perid is the =esser efiniion= en+ion syste r grup f systes %eem circuits a?d devices are tra?s itted autatica=y t recrded i? ai?ta
28、i?ed by a?d supervised fr a =isted ce?tra= stati? that has cpe te?t a?d experie?ced servers a?d peratrs wh up? receipt f a sig?a= ta r crprati? whse busi?ess is the fur?ish i?g ai?tai?i?g r ?itr i?g f supervised fire a=ar systesi nep?e?t that i?ter faces i?itiati?g devices r c? tr= circuits r bth ?t
29、ifica ti? app=ia?ces r circuits r bth syste c?tr= utputs a?d ther sig?a=i?g =i?e circuits t a sig?a=i?g =i?e circuitl+= i circuit capab=e f tra?sit ti?g a? a=ar sig?a= duri?g a si?g=e pe? r a ? siu=ta ?eus si?g=e gru?d fau=tl+= i tw wire circuit that perits syste perati? up t the pi?t f a? pe? circu
30、itode sta?dard that is a? exte?sive cpi=ati? f prvisi?s cv eri?g brad subject atter r that is suitab=e fr adpti? i?t =aw i?depe?de?t=y f ther cdes a?d sta?dardsoded ? audib=e r visib=e sig?a= that c?veys severa= discrete bits r u?its f i?frati?$tificati? sig?a= exap=es are ?ubered strpact type app=i
31、a?ce a?d ?ubered f=ashes f a visib=e app=ia?ceombin+ion fire a=ar syste i? which %y=em cp?e?ts are used i? wh=e r i? part i? c? with a ? fire sig?a=i?g systeomp+biliy specific =isti?g prcess that i=ed app=ies ?=y t tw wire devices such as se?ton syste cp?e?t that ?itrs i?puts a?d c?tr=s utputs thrug
32、h varius types f circuitsigi+l l+ cp?e?t at the omm?nic+oises t which Teber t c?ect t a R a?d tra?sits sig?a=s i?dicati?g a status cha?ge f the i?itiati?g devicewelling ni O?e r re rs arra?ged fr the use f ?e r re i?dividua=s =ivi?g tgether prvidi?g cp=ete i?depe? de?t =ivi?g faci=ities i?c=udi?g pe
33、ra?e?t prvisi?s fr =iv i?g s=eepi?g eati?g ci?g a?d sa?itati?N #! o! ! ! &“# o !#“ #! o! ! ! &“# o !#“ N mea?ua= r autatic Voicel+e?t fr rigi?ati?g a?d omm?nic+ion= distributi?g vice i?structi?s as we= as a=ert a?d evacuati? sig?a=s pertai?i?g t a fire eerge?cy t the ccupa?ts f a bui=di?gnd of ine d
34、evice such as a resistr r eice dide p=aced at the e?d f a =ass circuit peritti?g the circuit t be ?itred fr i?tegrity e=ectrica=y super visednd of ine device used t ?itr the $el+y prese?ce f pwer typica=y used ? fur wire sion discrete area f a %ign+ling *one bui=di?g bu?ded by s which ccupa?ts are i
35、?te?ded t re=cate r evacuatei ab=e used i? fire a=ar negy +ble systes t e?sure c?ti?ued perati? f critica= circuits duri?g a specified tie u?der fire c?diti?sieties appears i? a?ufacturers =iteratureip?e?t f the fire on a=ar syste prvided with priary a?d sec?dary pwer surces which receives sig?a=s f
36、r i?itiati?g devices r ther fire a=ar c?tr= u?its a?d prcesses these sig?a=s t deteri?e part r a= f the required fire a=ar syste ut put fu?cti?siion %ign+l a=ar evacuati? t?e up? Tone eneoa?diem syste r prti? f a c bi?ati? syste that c?sists f cp?e?ts a?d circuits arra?ged t ?itr a?d a?u?ciate the s
37、tatus f fire a=ar r supervisry sig?a= i?itiati?g devices a?d t i?iti ate the apprpriate resp?se t thse sig?a=sie cu?icati?s a?d c?tr= systes is disp=ayed a?d fr which the systes ca? be a?ua=y c?tr=ediy *he fire a=ar syste cp ?ncion on that c?tr=s the fire safety fu?cti?ixedTempe?ecoe?t beces heated
38、t a predeteri?ed =eve=o?eco c?diti? ? a? I I?itiati?g evice ircuit a?d is pwered by a separate pwer supp=y circuit+ew+y device that is used i? the tra?sissi? f seria= data digita= r a?a=g fr the fire a=ar c?tr= u?it t ther bui=di?g syste c?tr= u?its equipe?t r ?etwr ther bui=di?g syste c?tr= u?its t
39、 the fire a=ar c?tr= u?it N #! o! ! ! &“# o !#“ e+ eecoa=y high te perature r rate f tepera ture rise r btho?=ehold i f devices that uses l+em a fire a=ar c?tr= u?it t prduce a? a=ar sig?a= i? the huseh=d fr the purpse f ?tifyi?g the ccupa?ts f the prese?ce f a fire s that they wi= evacuate the prei
40、sesnii+ing eice syste cp?e?t that rig i?ates tra?sissi? f a cha?ge f state c?diti? such as i? a sa?ua= fire a=ar bx r supervisry switch nii+ing circuit t which autatic eice i r a?ua= i?itiati?g devices are c?ected where the sig?a= received des ?t ide?tify the i?dividua= device peratedoniz+ion %moke *he pri?cip=e f usi?g a sa= eecion au?t f radiactive ateria= t i?iKe the air betwee? tw differe?tia=y charged e=ectrdes t se?se the prese?ce f s ber decrease the c?ducta?ce f the air by reduci?g i? bi=i ty*he reduced c?ducta?ce sig?a= is prcessed a?d used t c?vey a? a=ar c?diti? whe? it eets pr
