Ingcaciso ye-THW THHN kunye ne-THWN Wire

I-THHN, i-THWN kunye ne-THW zonke ziintlobo zentambo yombane enye esetyenziswa emakhaya nakwizakhiwo ukuhambisa umbane. Ngaphambili, i-THWN yayiziingcingo ezahlukeneyo ezineemvume kunye nezicelo ezahlukeneyo. Kodwa ngoku, nantsi intambo eqhelekileyo ye-THHN-2 egubungela zonke iimvume zazo zonke iintlobo ze-THHN, i-THWN kunye ne-THW.

1. Yintoni i-THW Wire?
Intambo ye-Thw imele intambo ye-thermoplastic, engangeni bushushu namanzi. Yenziwe ngomatshini wobhedu kunye ne-PVC insulation. Isetyenziselwa umbane kunye neesekethe zokukhanyisa kwizakhiwo zoshishino, zorhwebo kunye neendawo zokuhlala. Olu hlobo lwentambo lungasetyenziswa kwiindawo ezomileyo nezimanzi, ubushushu bayo obuphezulu bokusebenza yi-75 ºC kwaye i-voltage yayo yenkonzo kuzo zonke izicelo yi-600 V.

Kwakhona, isifinyezo se-THW asinalo u-“N” we-nylon-coated. I-nylon coating ifana neplastiki encinci kwaye ikhusela iingcingo ngeendlela ezifanayo. Ngaphandle kwe-nylon coating, ixabiso le-THW wire liphantsi kakhulu kodwa libonelela ngokhuseleko oluncinci kwiingxaki ezahlukeneyo zokusingqongileyo.

I-THW Wire Strandard
• I-ASTM B-3: Iintambo ezifakwe kwiCopper okanye ezithambileyo.
• I-ASTM B-8: Ii-Copper Stranded Conductors kwiileya ezi-Concentric, eziqinileyo, eziqinileyo okanye ezithambileyo.
• UL – 83: Iingcingo kunye neentambo ezifakwe i-insulation nge-thermoplastic Material.
• I-NEMA WC-5: Iingcingo kunye neentambo ezifakwe i-insulation nge-Thermoplastic Material (ICEA S-61-402) zokuhambisa nokusasaza amandla ombane.

2. Yintoni i-THWN THHN Wire?
I-THWN kunye ne-THHN zonke zongeza u-“N” kwisifinyezo, oko kuthetha ukuba zonke ziyintambo egqunywe yi-nylon. Intambo ye-THWN ifana ne-THHN. Intambo ye-THWN ayingeni manzi, yongeza u-“W” kwisifinyezo. I-THWN ingcono kune-THHN ekusebenzeni okungangeni manzi. Zonke i-THHN okanye i-THWN zingasetyenziselwa iisekethe zombane kunye nokukhanyisa kwiindawo zoshishino, zorhwebo kunye neendawo zokuhlala, zilungele ngokukodwa ukufakwa okukhethekileyo kwiipayipi ezinzima kwaye zisetyenziswe kwiindawo ezirhabaxa okanye zingcoliswe yioyile, igrisi, ipetroli, njl. njl. kunye nezinye izinto zeekhemikhali ezirhabaxa njengepeyinti, izinyibilikisi, njl.njl. Olu hlobo loxinzelelo