Mtima wa magetsi a nyumba ndi bhokisi lalikulu loyendetsa dera, lomwe limatchedwanso gulu lalikulu la utumiki. Apa ndi pamene chakudya chamagetsi kuchokera kwa kampani yoyamba chimalowa m'nyumba kuchokera pamtunda ndi malo omwe mphamvu zonse zimagawidwa ku madera osiyanasiyana a nyumba. Nyumba zonse ziri ndi gulu lalikulu la utumiki.
A subpanel ndi gulu laling'ono lothandizira lomwe limapereka mphamvu ku malo enieni a nyumba kapena nyumba ina.
Ndizofunika kuti pulojekitiyi ikhale ndi mapulogalamu omwe amatha kusokonekera ndipo nthawi zambiri amaikidwa pamalo omwe amapezeka m'deralo. The subpanel imadyetsedwa ndi piritsi 240-volt breaker pa main service panel , ndipo dera limodzi chakudya chogawidwa magawo enanso maulendo a nthambi pa subpanel.
Ubwino wa Subpanel
Maguluwa amaphatikizidwa ku dongosolo pa zifukwa zitatu zomwe zimawoneka: malo, zosavuta, kapena zofunikira. Mankhwalawa amagwiritsidwa ntchito kupititsa mipiringidzo ya maulendo angapo a nthambi kumalo enaake a nyumba kapena nyumba yomwe ili kutali kwambiri ndi gulu lalikulu. Galasi, yokhazikika, kapena chipinda chowonjezera chingakhale malo oyika subpanel. Lingaliro ndikuthamanga limodzi la waya wothandizira kuchokera pa gulu lalikulu kupita ku subpanel, kumene mphamvuyo idzagawidwa mu maulendo angapo a nthambi omwe akumanga nyumba kapena malo a nyumbayo. Maulendo akuthamanga kuchokera ku subpanel amatha kuyendetsa maulendo a kuwala, maulendo ozungulira, kapena maulendo oyendetsa-monga ngati gulu lalikulu la utumiki.
Phindu apa ndilo kuti maulendo amatha kulamulidwa kuchokera pamalo osavuta kwambiri kusiyana ndi kubwerera kuntchito yayikulu, yomwe ingakhale kutali. Mugalaji yokhala ndi workshop, mwachitsanzo, zipangizo zamagetsi nthawi zina zimatha kuyendera oyendayenda, ndipo zimakhala zosavuta kuti zikhazikitsidwe ngati mutha kuzichita pa galasi ya subpanel kusiyana ndi kubwerera ku gulu lalikulu la utumiki.
A subpanel ingakhalenso njira yabwino yowonjezera maulendo ena pamene mapepala onse othawira ntchito ali odzaza. Mwa kuthamanga mpweya umodzi wokwana 60 pa subpanel, mwachitsanzo, mungathe kugawaniza 60-amps m'madera angapo ang'onoang'ono.
Pomalizira, kukhazikitsa subpanel kungapulumutse nthawi ndi zomangamanga mwa kuchepetsa chiwerengero cha "nyumba zothamanga" kubwerera ku gulu lalikulu. Zimatengera zambiri mu zipangizo ndi ntchito kuyendetsa maulendo atatu kapena anayi kuchokera kumalo akutali kumbuyo kwa gulu lalikulu kusiyana ndi kumayendetsa dera limodzi lokha lakumwamba ndikugawaniza kukhala madera ang'onoang'ono kuchokera ku subpanel.
Momwe Mawu Ophatikizira Amagwirizanirana
A subpanel imafuna mawaya awiri otentha omwe amagwirizanitsidwa ndi mpweya wapakati wa 240-volt pamphindi waukulu. Iyenso ikusowa waya wosalowerera ndi waya . Chingwe chogwiritsiridwa ntchito pazomweku kuthamanga ndikudziwika kuti ndi "chingwe cha waya 3 ndi nthaka." Ma waya awiri otentha, otchedwa waya wothandizira, amapereka mphamvu zonse kwa subpanel. Zingwezi zimagwirizanitsa ndi makina akuluakulu a 240-volt, omwe amapatsa mphamvu m'mabasi awiri otentha. Anthu ozungulira dera lililonse amatha kugwirizana ndi mabakitawa awa kuti apereke mphamvu ku maulendo a nthambi omwe akutuluka kuchokera ku subpanel.