Zisanafike chaka cha 1996, zowonjezera magetsi zinaperekedwa ndi dera lopatulira lomwe linali ndi maofesi atatu: ma holo awiri komanso osalowerera ndale. Panalibe malo okwanira panthaka, ndipo zingwe zowuma sizinali ndi waya kapena pansi. Nthaka yowonjezeramo yokha inagwirizanitsidwa ndi mawaya osaloŵerera. Ndondomekoyi inagwira ntchito bwino ndipo ikugwiritsidwanso ntchito m'nyumba zambiri masiku ano. Koma mu 1996, National Code for Electrical Code (NEC) inayamba kufunafuna malo okwana 4 ndi malo osiyana.
Kuti zikhale zogwirizana ndi malamulo, zitsulo zonse zatsopano zopangira dryer ziyenera kukhala zogwirizana ndi 4-prong, zowuma zowuma.
Mpanda Wowonjezera Wowonjezera wa 4 wa Prong Dryer Outlet
Mzere wouma zowonjezera 4 uli wouma ngati dera la 120/240-volt. Utumiki wa 120-volt ndi wa nthawi ya dryer, sensors, ndi zamagetsi ena, pamene utumiki wa volt 240 ulipira zotentha. NEC imafuna kuti dryer ikhale ndi dera lodzipereka ndi osachepera 30 amps. Izi zimafunikanso kutaya pulogalamu ya 30-amp, piritsi ndi 10 AWG waya. Powonongeka kofanana ndi chingwe cha nonmetallic (NM), chingwe cha 10-3 NM-B (ndi nthaka) chimachokera ku chipangizo choyambira kupita ku malo otsekedwa. Ngati malowa akukwera pamwamba, monga konkire kapena khoma, dera ili ndi waya (THHN / THWN) omwe ali mkati mwachitsulo cha EMT. Chigulitsirocho chingakhale chipinda chapadera chokwanira pamwamba kapena chingakhale cholowa chokhazikika chomwe chimayikidwa mu bokosi lopangidwa pamwamba.
Kuphimba Chotsitsa Chotsitsa Chachinai
Pogwiritsa ntchito makina okhwima, waya wakuda ukugwirizanitsidwa ndi imodzi mwazitsulo zotentha zamkuwa pamtunda, ndipo waya wonyezimira wofiira umagwirizanitsa ndi chimbudzi china. Mapeto otentha amasinthasintha. Mpanda woyera wosaloŵerera umagwirizanitsidwa ndi malo osungirako ndalama omwe salowerera.
Dothi la nthaka limagwirizanitsa ndi malo otsika. Ngati chotsulocho chikukwera mu bokosi lamagetsi, dera lozungulira dera likugwirizanitsidwa ndi nkhumba ziwiri za nkhumba.
Kuwotcha Wotsutsa Dera
Mpweya wothamanga wa 30 wamtunduwu umakhala wouma ndi mpangidwe wodulidwa wawiri: phulusa la nthaka limagwirizanitsa ndi bwalo la basi la pansi. Mpanda woyera wosaloŵerera umagwirizanitsa ndi bwalo lamalo osalowerera ndale. Ma waya otentha ndi ofiira amalumikiza kumapeto awiri a mkuwa pa nthawi yopuma. Zindikirani: Kuika ndi kukulumikiza pulogalamu yamagetsi mu gawo la utumiki ndi ntchito ya magetsi ovomerezeka. Ngakhale mutayika chingwe cha dera, bokosi, ndi chikwama, muli ndi magetsi kuti apange mgwirizano womaliza pa gulu la utumiki.
Malangizo a Kuyika kwa Zotsalira Zotsalira
- Lembani bokosi lakutulutsira pamalo abwino kwa chingwe chowuma ndi zowuma. Nthawi iliyonse, zowuma ayenera kukhala pafupi ndi khoma lakunja kuti achepetse kutalika kwa kuthamanga.
- Zizindikiro zapakhomo sizimatchulidwa kutalika kwa malo osungirako zinyumba zowuma, koma ndizothandiza kuti mufike pamphumba popanda kusuntha chowongolera kutali ndi khoma. Kutalika kwa masentimita 30 mpaka 36 kuchokera pansi nthawi zambiri kumachititsa kuti pulogalamuyi ifike poyibisala kuchokera kumayang'ana kumbuyo kwa wouma, malinga ndi kutalika kwa wouma.
- Kumayambiriro kwa dzikoli, malo ozungulira omwe amawoneka ngati a L ali pansi. Izi zimatsimikizira kuti chingwecho chidzatsikira pansi kuchoka pamtunda.