01 a 07
Kuyesa Subpanel
Kusankha katundu wotetezeka wa magetsi kwa subpanel kumafuna kuwerengeka kochuluka. Mtolo wa dera ndi katundu wathunthu umene iwe udzakhala ukugwiritsa ntchito ku subpanel. Muyenera kudziwa zigawo za malo omwe mukuwapatsa mphamvu komanso magetsi ndi zipangizo zamagetsi zomwe zidzathandizidwa ndi subpanel. Zotsatira izi zikufotokozera chiwerengero chofunikira cha kuyang'ana subpanel ndikupeza kuperewera kwa woyenda dera komanso kukula kwa chingwe cha kachipangizo kowonjezera kupereka mphamvu kwa subpanel.
02 a 07
Zotsatira za NEC Load
Manambala onse a subpanel, breaker ndi odyera ayenera kupangidwa molingana ndi chida cha magetsi. Ma Code ambiri amatsatira Code National Electrical Code (NEC) ndipo amagwiritsa ntchito "Fomu Yambiri" ya NEC kuti ziwerengedwe. Chofunika kwambiri, ili ndi mawonekedwe omwe amakuthandizani kugwiritsa ntchito mphamvu zamagetsi, kapena magetsi, zipangizo ndi zipangizo zamagetsi m'madera omwe amagwiritsidwa ntchito ndi subpanel. Mukamapeza madzi okwanira, mumagawaniza 240 (volts) kuti mupeze kachipangizo kakang'ono kofunikira kwa subpanel ndi chingwe chake chodyera.
03 a 07
Chigawo cha Subpanel
Choyamba chiwerengero cha malembo chimaphatikizapo kuonjezera gawo lonse la gawo lanu kuti subpanel idzakupatsani mphamvu. Imeneyi ndi njira yophweka yodziwira katundu wa magetsi ndi malo olandirako. Yerekezerani kutalika ndi m'lifupi kwa chipinda chilichonse ndi kuwachulukitsa pamodzi kuti mupeze pepala lalikulu la chipindacho. Onjezerani masankhulidwe apamwamba a zipinda zonse kuti mupeze mapepala onse a square. Lonjezerani masentimita asanu ndi atatu (watts) kuti mutsirizitse kuwerengera.
04 a 07
Kugwiritsa Ntchito Mphamvu
Kuwerengera zamagetsi kumasiyanasiyana ndi mitundu ya zipinda zomwe mumapatsa mphamvu. Mwachitsanzo, ngati subpanel idzapereka khitchini yokonzanso, muyenera kuwerengera maulendo ang'onoang'ono azing'ono awiri, pa 1,500 watts iliyonse. Gulu lina la zipangizo ndizo "zokhazikika," monga chotsuka chotsuka, chowotcha madzi, chakudya chodya kapena fani yapamwamba.
Kutentha kwa zipangizo zazikulu, monga mitsinje, zowanika zovala ndi zotentha zamagetsi kapena magetsi, zimakhala zochepa pamtambo (monga 5,000 Watts kwa dryer) kapena pa pulogalamu ya appliance rating, iliyonse yaikulu.
Mukamaliza kuyang'anitsa zonse, pitirizani ndi 1 ngati pali zipangizo zosachepera zinayi; wonjezerani ndi 0.75 ngati pali zipangizo zinayi kapena zingapo. Izi sizinaphatikize maulendo ang'onoang'ono ogwiritsira ntchito, omwe ali maulendo odyetsa zokopa kuti akalowe mu zipangizo zogwiritsira ntchito.
Potsirizira pake, mungafunikire kuwonjezera 25% ya katundu wamkulu kwambiri pamagalimoto pamtambo (ndi zina). Izi ndizowonjezereka kuti zithe kukumana ndi katundu wambiri zomwe magalimoto ambiri amafunikira poyambira.
05 a 07
Kuwerengera Zamadzimadzi Amadzimadzi
Kuti muwerenge mlingo woyenera wa madzi oyenera kuti mupereke subpanel, yochulukitseni madzi okwanira (kuchokera pazithunzi zapamwamba ndi kuwerengetsera maulendo) nthawi 1.25 kuti mutenge katundu wokonzedwa . Kusintha kwa chitetezochi kumafunidwa ndi Code National Electrical Code ndipo kumapereka chiwombankhanga chakuthamanga pa dera lodyetsa. Kutaya mpweya ndiko kutaya kwa magetsi komwe kumachitika pamene magetsi amayenda pamtunda kapena waya.
06 cha 07
Kusiyana kwa Msewu Wopanda Magalimoto
Dera limene limadyetsa subpanel liyenera kutetezedwa ndi kukula koyendetsa dera kuti zisawonongeke kwambiri pa wiring wothandizira. Kuti muwerenge kukula kwake, mugawitseni mavitamini 240 kuti mupeze malingaliro oyenerera a subpanel yanu. Kawirikawiri, zotsatira zake sizomwe zimakhala zowonjezera kukula kwa dera, ngati mutangomaliza "kuzungulira" mpaka kukula kwakeko. Mwachitsanzo, ngati mawerengedwe a katundu amatha kufika 48 amps, muyenera kugwiritsa ntchito 50-amp breaker kuti muteteze dera. Magulu odyetsera amaperesi ndi 240-volt ndipo amafunika kuti pakhale magetsi awiri ozungulira .
07 a 07
Makina Opangira Mpiringidzo
Mpiringidzo wodyetsa subpanel uyenera kufanana kapena kupitirira kuwerengera kukula kwa dera lozungulira, osati kuwerengera kwa subpanel. Izi zikutanthauza kuti ngati phokosoli lavotera 50 amps, makina opangira chingwe ayenera kuwerengedwa kwa 50 amps kapena kuposa. Komabe, ngati pali mtunda wautali kuyendetsa chakudya, mzere wotsatira wa waya wawukulu uyenera kugwiritsidwa ntchito, kuwerengera chifukwa cha kugwa kwa magetsi. Sungani kukula kwa wiring pogwiritsa ntchito tchati cha kukula kwa wiring kuti alembe mitundu ya waya ndi kukula kwa waya pogwiritsa ntchito ntchitoyo. Gwiritsani ntchito tchati kuti muyambe kulingalira kokha. Apanso, mawonekedwe onse ayenera kugwirizana ndi chida cha magetsi.