Kodi Khodi ya NEC ya Ma Cable Trays ndi Chiyani?

Mathireyi a chingwendi zinthu zofunika kwambiri pakukhazikitsa magetsi, zomwe zimapereka njira yolinganizidwa yolumikizira mawaya amagetsi ndi zingwe. Pakati pa mitundu yosiyanasiyana ya mathireyi a zingwe, mathireyi a zingwe okhala ndi zokutidwa ndi ofunikira kwambiri poteteza zingwe ku zinthu zachilengedwe komanso kuwonongeka kwakuthupi. Kumvetsetsa malamulo a National Electrical Code (NEC) okhudza mathireyi a zingwe ndikofunikira kwambiri poonetsetsa kuti zinthu zamagetsi zikutsatira malamulo a chitetezo.

NEC, yomwe imasinthidwa zaka zitatu zilizonse, imafotokoza zofunikira pakukhazikitsa ndi kugwiritsa ntchito mathireyi a chingwe mu Article 392. Nkhaniyi ikupereka malangizo okhudza kapangidwe, kuyika, ndi kusamalira mathireyi a chingwe, kuphatikizapo mathireyi a chingwe okhala ndi zokutidwa. Malinga ndi NEC, mathireyi a chingwe ayenera kupangidwa ndi zipangizo zoyenera malo omwe aikidwamo. Izi zikuphatikizapo kuganizira za kukana dzimbiri, kuchuluka kwa moto, komanso mphamvu yonyamula katundu.

Chimodzi mwa zinthu zofunika kwambiri pa NEC code ndimathireyi a chingwendiye chofunikira pa kukhazikika bwino ndi kugwirizana. Ma tray a chingwe ophimbidwa ayenera kukhazikika kuti apewe ngozi zamagetsi, ndipo NEC imafotokoza njira zopezera kukhazikika koyenera. Kuphatikiza apo, malamulowa amalamula kuti ma tray a chingwe ophimbidwa aziyikidwa mwanjira yomwe imalola kuti mpweya wabwino ulowe komanso kutentha kutayike, zomwe ndizofunikira kwambiri kuti zingwe zomwe zili mkati zisunge umphumphu.

Kuphatikiza apo, NEC ikugogomezera kufunika kokhala ndi mwayi wopeza ma treyi a chingwe kuti aziyang'aniridwa komanso kukonzedwa. Izi ndizofunikira kwambiri pama treyi a chingwe ophimbidwa, chifukwa amatha kubisa kuwoneka kwa ma treyi omwe ali mkati. Kulemba bwino ma treyi ndi zolemba za ma treyi mkati mwake ndikofunikiranso kuti zithandize kukonza ndi kuthetsa mavuto mtsogolo.

Mwachidule, khodi ya NEC ya mathireyi a chingwe, kuphatikizapomathireyi a chingwe ophimbidwa, lapangidwa kuti litsimikizire chitetezo, kudalirika, komanso kugwira ntchito bwino pakuyika magetsi. Kutsatira malamulo awa sikuti kumateteza umphumphu wa makina amagetsi okha komanso kumawonjezera chitetezo cha malo omwe amagwira ntchito.

→ Kuti mudziwe zinthu zonse, mautumiki ndi zambiri zatsopano, chondeLumikizanani nafe.