THW THHN le THWN Wire Tlhaloso

THHN, THWN le THW kaofela ke mefuta ea terata e le 'ngoe ea motlakase e sebelisoang malapeng le mehahong ho fana ka matla. Pele, THW THHN THWN e ne e le lithapo tse fapaneng tse nang le tumello le lits'ebetso tse fapaneng. Empa Hona joale, mona ke terata e akaretsang ea THHN-2 e koahelang litumello tsohle bakeng sa mefuta eohle ea THHN, THWN le THW.

1. THW Wire ke eng?
Thw wire e emetse thermoplastic, terata e thibelang mocheso le metsi. E entsoe ka mokhanni oa koporo le ho kenngoa ha PVC. E sebelisoa bakeng sa lipotoloho tsa matla le mabone libakeng tsa indasteri, tsa khoebo le tsa bolulo. Mofuta ona oa terata o ka sebelisoa libakeng tse omeletseng le tse mongobo, mocheso oa eona o phahameng oa ts'ebetso ke 75 ºC mme motlakase oa eona oa ts'ebeletso bakeng sa lits'ebetso tsohle ke 600 V.

Hape, khutsufatso ea THW ha e na "N" bakeng sa nylon e koahetsoeng. Ho roala ha nylon ho shebahala joaloka polasetiki e nyenyane 'me ho sireletsa lithapo ka tsela e tšoanang. Ntle le ho roala nylon, theko ea terata ea THW e batla e le theko e tlaase empa e fana ka tšireletso e fokolang khahlanong le litsietsi tse fapaneng tsa tikoloho.

THW Wire Strandard
• ASTM B-3: Copper Annealed or Soft Wires.
• ASTM B-8: Copper Stranded Conductors in Concentric Layers, Hard, Semi-hard kapa Soft.
• UL – 83: Lithapo le Lithapo tse Insulated ka Thermoplastic Material.
• NEMA WC-5: Lithapo le Lithapo tse Insulated ka Thermoplastic Material (ICEA S-61-402) bakeng sa Phetiso le Kabo ea Motlakase.

2. THWN THHN Wire ke eng?
THWN le THHN kaofela ba kenya "N" ka khutsufatso, ho bolelang hore kaofela ke terata e koahetsoeng ka nylon. THWN terata e tšoana le THHN. THWN terata ha e kenelle metsing, 'me e eketsa "W" ka mantsoe a khutsufalitsoeng. THWN e betere ho feta THHN ts'ebetsong e thibelang metsi. THHN kapa THWN kaofela li ka sebelisoa bakeng sa lipotoloho tsa motlakase le mabone litsing tsa indasteri, tsa khoebo le tsa bolulo, li loketse ka ho khetheha lits'ebetso tse ikhethileng ka likotopo tse thata, 'me li ka sebelisoa libakeng tse chefo kapa li silafatsoa ke oli, mafura, peterole, joalo-joalo le lik'hemik'hale tse ling tse senyang joalo ka lipente, li-solvents joalo-joalo.