1、 An Americ An n At ion Al St An d Ar d NECA 200-2010 Standard for Installing and Maintaining Temporary Electric Power at Construction Sites Published by National Electrical Contractors Associationts !+spons/b/l/t/+s esig; %e?mits a;d =?ui?eme;ts Site %la; ui=me;t T em=ui=me;t ?di;ate with ;st?ucti;
2、%la; +ltage ?= ;side?ati;s Sufficie;t #umbe? f $utlets ccessibility a;d %?tecti; f $utlets ro;n*/ng n* on*/ng System ?u;di;g ?u;di;g lect?des a;d ?u;di;g lect?de ;duct?s #bl+ of ont+nts t ?ui=me;t ?ui=me;t %hysical %?ui=me;t Su=ui=me;t ccessibility a;d Wui=me;t llumi;atiui=me;t “a?ki;g a;d !abeli;g
3、tificati “ ! /n/m;m /ght + !+f+r+nc+ “tn*r*s ( a2iona* *$“20i“a* n12a*a2ion 2an#a0#1 9 a?e desig;ed tuality a;d wui?e me;ts fui?eme;ts ?elated t w?ki;g safely with elect?icity Suggesti;s f? ?evisi;s a;d im=?veme;ts t this sta;da?d a?e welcme They shuld be add?essed t # Sta;da?ds Safetyethesda “et? e
4、;te? Suite ethesda “ ax n$i1 n$“an$2o0tact the # $?de? esk at tel fax ? ?de?desk;eca;et?g ca; als be =u?chased i; =df dw;lad f?mat f?m 555n$“an$i1o0al lect?ical ;t?act?s ssciati; ll ?ights ?ese?ved *;auth?ized ?e=?ducti; =?hibited a2iona* *$“20i“a* n12a*a2ion 2an#a0#1 a;d the lg a?e ?egiste?ed t?ade
5、ma?ks f the #ati;al lect?ical ;t?act?s ssciati; #ati;al lect?ical de a;d # a?e ?egiste?ed t?adema?ks f the #ati;al i?e %?tecti; ssciati; Qui;cy “assachusetts or+=or* i1 %o0$5o0# i1 no2 a pa02 o% 2$ 12an#a0#i1 pacts n* ppl/ct/ons ncl;*+* This sta;da?d desc?ibes tem=uate fu;cticl;*+* This sta;da?d dua
6、lified =e?sui?eme;ts f? i;stalli;g elect?ical =?ducts a;d systems a?e desc?ibed i; # 2an#a0# 0a“2i“$1 %o0 oo# o0k+an1ip in *$“20i“a*on1203“2ion #S $the? a2iona* *$“20i“a* n12a*a2ion 2an#a0#1 =?vide additi;al guida;ce f? i;stalli;g =a?ticula? ty=es f elect?ical =?ducts a;d systems cm=lete list f is =
7、?vided i; ;ex “cop+ +s/gn P+rm/ts n* pproui?eme;ts nstll n* /nt/n ;stall a;d mai;tai; the tem=ui=me;t ui?ed du?i;g cui=me;t ui?ed by the cui=me;t w;ed a;d used by the?s at the c;st?ucti; site is the ?es=;sibility f thse wh w; a;d use it !+spons/b/l/t/+s Proj+ct Pln n* “ch+*;l+ ;stall tem=ui?e a cha;
8、ge ex=a;siui?eme;ts tuate cui=me;t a;d st?uctu?es e “ate?ial delive?y a;d stuids ua;tity will be =?ese;t du?i;g c;st?ucti; i !cati; f =e?ma;e;t elect?ical se?vice Whe; diffe?e;t a?eas f the c;st?ucti; site will cha;ge thei? uses ve? the cu?se f c;st?ucti; devel= a se?ies f site =la;s s that tem=?a?y
9、 c; st?ucti; =we? ca; be c?di;ated with the =la;ed site devel=me;t Site =la;s shuld be keyed t mile st;es i; the =?ject schedule Plnn/ng th+ nstllt/on oor*/nt/on fui?eme;ts ui?eme;ts i;clude the testi;g ui=me;t such as =um=s cui=me;t usi;g the tem=ui?ed at the cui?ed se?vice cuivale;t i;fui= me;t g
10、!ui=me;t h T em=ui=me;t i;stallatiui?ed tai; a =e?ma;e;t u=dated set uests them c %st ;e set i; the elect?ical c;t?act?s field ffice d Whe?e the a?a;geme;t f the tem=?a?y dis t?ibuti; system is ;t bvius =st ;e set f ?ec?d d?awi;gs i; a weathe?=?f dis=lay at the tem=?a?y se?vice lcati; rui?ed by cui=
11、me;t e S=ecial =ui?eme;ts eg =uality a;d ?eliability o* st/mt+ stimate the ttal lad t be se?ved by the tem=?a?y =we? dist?ibuti; system based ; the lad su?vey a;d ex=e?ie;ce with simila? i;stallati;s“pr+ pc/t? ;side?ati; shuld be give; f? s=a?e ca=acity based ; a;tici=ated cha;ges du?i;g c;st?ucti;
12、u;ce?tai;ty abut =la;ed c;st?ucti; mea;s a;d methds a;d ex=e?ie;ce with simila? i;stallati;s o* st/mt+ $t/l/t? “;ppl? $btai; i;f/st/ng ;/l*/ng /str/b;t/on “?st+m Whe; dui=me;t l/st/ng q;/pm+nt f a s=a?e ci?cuit b?eake? ui=me;t a;d the?e is s=a?e s=ace available ui=me;t ;stall this i; accui?ed b /st/
13、ng ;s=? f a; existi;g =lugi; busway is available i;stall a fused discui?ed c ;s #p Whe?e s=ace is ;t available i; existi;g switchgea? f? a; additi;al ci?cuit b?eake? ? fused switch ta= a tem=?a?y feed f?m the existi;g switchgea? bus usi;g a listed bus ta= kit tem=?a?y fused safety switch Po=+r “o;rc
14、+ “+l+ct/onca; the; be i;stalled ui=me;t g?ui?ed %?ui?i;g a ;eut?al !ui?ed at the ta= =ui?eme;ts i; # a;d i;clude a; eui=me;t g?ui=me;t % whe; a tem=ui=ed with % the tem=ui?ed by # ! tem=ui?es the tem=ui?ed c +e?ify that the ui?eme;ts f? i;te?c;ected elect?ic =we? =?ducti; su?ces t The tem=ui=me;t i
15、; accui?eme;ts ui= me;t tui=me;t mmediately afte? cutui=me;t a;d cui=me;t at =ui=me;t is se=a?ated by dista;ce eg diffe?e;t buildi;gs =hysi cal ba?ie?s eg buildi;g flui= me;t sui=me;t that simulta;eui=me;t ui=me;t r(s“!r t) *!r(!(t syst! s sui=me;t with the c;st?ucti; =la; %oltg+ rop ons/*+rt/ons !a
16、y ut the tem=?a?y c;st?ucti; dist?ibuti; sys tem t mi;imize vltage d?= Size feede?s a;d b?a;ch ci?cuits s that the maximum calculated vlt age d?= ; eithe? des ;t exceed th?ee =e?ce;t a;d the ttal vltage d?= f bth des ;t exceed five =e?ce;t betwee; the se?vice a;d utlet i; acc?da;ce with # ?ecmme;dat
17、i;s These ?ecmme;ded vltage d?= =e?ce;tages a?e f? steadystate =e?ati; a;d d ;t add?ess t?a;sie;t c;diti;s such as mt? sta?ti;g Whe?e la?ge mt?s will be =we?ed f?m the tem=?a?y c; st?ucti; dist?ibuti; system =e?f?m a study t dete?mi;e the im=act f mt? i;?ush ; the dist?ib uti; system vltage a;d the
18、ability f mt?s t sta?t =?=e?ly #+mporr? onstr;ct/on Po=+r “?st+m “;ff/c/+nt ;mb+r of ;tl+ts !ui?ed f? =?table tls a;d task lighti;g t a ?eas;able le;gth This mi;imizes c;gesti; ; c;st?ucti; sites ?educes t?i=i;g haza?ds mi;imizes vltage d?= a;d ?educes ;uisa;ce t?i=i;g f g?u;dfault ci?cuit i;te?u=te
19、? =?tecti; devices cc+ss/b/l/t? n* Prot+ct/on of ;tl+ts T em=?a?y c;st?ucti; ?ece=tacle utlets must be accessible $utlets shuld be ?eas;ably =?tected f?m damage by lcati; gua?ds height ? the? mea;s n*/ng +e?ify that each =ui?ed fui=me;t g?ui=me;t g?ui= me;t ui=me;t tui=me;t g?u;di;g system ro;n*/ng
20、n* on*/ng q;/pm+nt Ph?s/cl Prot+ct/on (t e;clui=me;t ;stall ui=me;t e;clui=me;t whe?e it will be =?ui=me;t must be i;stalled ui=me;t that is suitable fui=me;t tui=me;t exceeds its ;ame=late ?ati;g de?ate ui=me;t i; accui=me;t whe?e ?eui?ed fui=me;t i; haza?dui=me;t i; haza?dui=me;t tui=me;t “ui=me;t
21、 sui=me;t shui=me;t ?emai;s ?eadily accessible a;d sufficie;t wui=me;t whe; ui=me;t q;/pm+nt rk/ng n* b+l/ng “a?k ui=me;t se?ved cm=leted di?ect?y lcated at the =a;el ba?d is sufficie;t f? =a;elba?d ci?cuit b?eake?s “a?k ? label each ?ece=tacle cve? =late with the =a;elba?d desig;ati; a;d ci?cuit se
22、?vi;g the ?ece= tacle *se a ma?ki;g ? labeli;g methd that is du?able a;d suitable f? the e;vi?;me;t q;/pm+nt nstllt/on n* Prot+ct/on *+nt/f/ct/on of $ngro;n*+* Phs+ on*;ctors de;tify all u;g?ui?ed exce=t tui?eme;ts rnch /rc;/ts !(!re?al=u?=ui=me;t with b?a;ch ci?cuits dedicated tui=me;t tui=me;t tui
23、vale;t tui=me;t l+/bl+ or*s n* bl+s ;stall flexible c?ds a;d cables t mi;imize the ?isk f damage Whe?e they may be subject t damage due t thei? lcati; ?elcate the flexible c?ds a;d cables ? =?vide ba?ie?s a;d gua?ds f? =?tecti; $n*+rgro;n* on*;ctors “a?k all u;de?g?u;d feede?s a;d u;de?g?u;d b?a;ch
24、ci?cuits =e?ati;g at m?e tha; vlts t g?u;d with a wa?;i;g ?ibb; =laced at least i;ches abve the c;duct?s ables used f? u;de? g?u;d feede?s a;d b?a;ch ci?cuits shuld be listed f? di?ect bu?ial if i; di?ect c;tact with the ea?th +rh+* on*;ctors ;stall ve?head c;duct?s i; acc?da;ce with the # ;t su=?t
25、ve?head c;duct?s f?m t?ees ? the? live vegetati; ? ve?head c;duc t? i;stallati;s ;t cve?ed by the # ?efe? t #S #ati;al lect?ical Safety de #S rt/ons %?ui=me;t a;tici=ated tui=me;t g?u;di;g c;duct? f the b?a;ch ci? cuit su=lyi;g the ?ece=tacle !+c+ptcl+ ;tl+ts “?st+m ?o;t ;stall tem=ui?ed by the cui?
26、eme;ts uate illu mi;atiue;tly used tui=me;t f?m dust a;d damage as desc?ibed i; # S# # S# a;d # S# #+mporr? /ght/ng %e?fui=me;t that is fui=me;t has bee; ?emved ?e=ai?ed ? ?e=laced c Kee= ?ec?ds f all i;s=ecti;s a;d mai;te ;a;ce =e?f?med “?st+m /nt+nnc+ “?st+m ;toui=me;t ?aceway cui=me;t ?ace ways a
27、;d c;duct?s ? fi?e?esista;ce?ated =a?ti ti;s use ;ly mate?ials a;d methds listed t mai; tai; the fi?e ?esista;ce ?ati;g “?st+m !+mol a “ ! /n/m;m /ght +ui?ed at tu;el a;d shaft headi;g du?i;g d?illi;g mucki;g a;d scali;g u?eau ui=me;t ?ms ca?=e;te? ch=s ?iggi;g lfts a;d active st?e ?ms mess halls a;
28、d i;d? tilets a;d w?k?msi?st aid stati;s i;fi?ma?ies a;d ffices This =ublicati !+f+r+nc+ “tn*r*s i1 ann$6 i1 no2 pa02 o% 2$ 12an#a0# al Safety a;d ealth dmi;ist?ati;stituti; ve;ue #W Washi;gt; tel 555o1as %a?t Sub=a?t K 0o3n#a3*2 0o2$“2ion on on1203“2ion i2$1 $S evised #ati;al lect?ical ;t?act?s ssc
29、iati;ethesda “et? e;te? Suite ethesda “ fax 555n$“an$i1o0& y # 2an#a0# %o0 oo# o0k+an1ip in *$“20i“a* on1203“2ion #S # $“o+$n#$# 0a“2i“$ %o0 o+i11ionin& 3i*#in& *$“20i“a* 712$+1 #S # 7+!o*1 %o0 *$“20i“a* on1203“2ion 0a5in&1 #S # 2an#a0# %o0 n12a*in& 2$* on#3i21 i&i# #S # 2an#a0# %o0 n12a*in& *3+in3+
30、 i&i# $2a* on#3i2 #S # $“o+$n#$# 0a“2i“$ %o0 n12a*in& *3+in3+ 3i*#in& i0$ an# a!*$ #S # #“ $“o+$n#$# 0a“2i“$ %o0 n12a*in& $2a* a!*$ 0a7 712$+1 #S # 2an#a0# %o0 n12a*in& on+$2a*i“ a“$5a71 #S # #“ 2an#a0# %o0 n12a*in& 0+o0$# a!*$ an# $2a* *a# a!*$ #S # $“o+$n#$# 0a“2i“$ %o0 n12a*in& an# ain2ainin& $+p
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33、$n$0a2o0 $21 #S # 2an#a0# %o0 n12a*in& $1i#$n2ia* $n$0a2o0 $21 #S # 2an#a0# %o0 n12a*in& an# ain2ainin& an$*!oa0#1 #S # 2an#a0# %o0 n12a*in& an# ain2ainin& 315a71 #S # 2an#a0# %o0 n12a*in& an# ain2ainin& 077p$ 0an1%o0+$01 #S # 2an#a0# %o0 n12a*in& an# ain2ainin& iq3i#i*$# 0an1%o0+$01 #S # 2an#a0# %o
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