Tsananguro yeTHW THHN neTHWN Wire

THHN, THWN uye THW mhando dzese dzewaya dzemagetsi dzinoshandiswa mudzimba nezvivakwa kupa magetsi. Kare, THWN THWN yaive waya dzakasiyana dzine mvumo dzakasiyana uye mashandisirwo akasiyana. Asi ikozvino, heino waya yeTHHN-2 yakajairika inovhara mvumo dzese dzemhando dzese dzeTHHN, THWN uye THW.

1. Chii chinonzi THW Wire?
Waya iyi inomirira waya yethermoplastic, inodzivirira kupisa uye mvura. Yakagadzirwa neconductor yemhangura uye PVC insulation. Inoshandiswa pamagetsi nemwenje munzvimbo dzemaindasitiri, dzemabhizinesi nedzekugara. Rudzi urwu rwewaya runogona kushandiswa munzvimbo dzakaoma uye dzakanyorova, tembiricha yaro yepamusoro yekushanda i75 ºC uye voltage yayo yekushandira pakushandisa kwese i600 V.

Uyewo, THW haina "N" ye nylon-coated. Nyoro yacho inoita kunge chidimbu chidiki chepurasitiki uye inodzivirira waya nenzira dzakafanana. Pasina nylon coating, mutengo we THW waya wakachipa asi haidziviriri zvakanyanya kubva kumatambudziko akasiyana-siyana ezvakatipoteredza.

THW Wire Strandard
• ASTM B-3: Waya dzakanamirwa nemhangura kana kuti dzakapfava.
• ASTM B-8: Madhairekita Akasungirirwa neMhangura muzvikamu zvakatetepa, Zvakaoma, Zvakaoma zvishoma kana zvakapfava.
• UL – 83: Waya neTambo Dzakaputirwa neThermoplastic Material.
• NEMA WC-5: Waya neTambo Dzakaputirwa neThermoplastic Material (ICEA S-61-402) dzekutumira nekuparadzira Simba reMagetsi.

2. Chii chinonzi THWN THHN Wire?
THWN neTHHN zvese zvichiwedzera "N" muchidimbu, zvinoreva kuti zvese iwaya yakaputirwa nenylon. Waya yeTHWN yakafanana neTHHN. Waya yeTHWN haipindi mvura, zvichiwedzera "W" muchidimbu. THWN iri nani pane THHN mukushanda kwayo kunodzivirira mvura. THHN kana THWN zvese zvinogona kushandiswa pamagetsi nemwenje munzvimbo dzemaindasitiri, dzemabhizinesi nedzekugara, dzakakodzera zvakanyanya kuiswa kwakakosha kuburikidza nemapaipi akaomarara uye kushandiswa munzvimbo dzinopisa kana kusvibiswa nemafuta, mafuta, peturu, nezvimwewo nezvimwe zvinhu zvinoparadza sependi, zvinonyungudutsa, nezvimwewo. Rudzi urwu rwe con