THHN, THWN na THW nubwoko bwose bwumugozi umwe wamashanyarazi ukoresha mumazu ninyubako mugutanga amashanyarazi. Mbere, THW THHN THWN yari insinga zitandukanye zemewe kandi zikoreshwa. Ariko Noneho, hano ubu insinga rusange ya THHN-2 ikubiyemo ibyemezo byose kuri variant zose za THHN, THWN na THW.
1. THW Wire ni iki?
Thw wire igereranya insinga ya termoplastique, ubushyuhe- n’amazi adashobora kwihanganira amazi. Ikozwe mumashanyarazi hamwe na PVC. Ikoreshwa mumashanyarazi no kumurika mumashanyarazi, ubucuruzi nubucuruzi. Ubu bwoko bwinsinga burashobora gukoreshwa ahantu humye kandi huzuye, ubushyuhe ntarengwa bwibikorwa ni 75 ºC hamwe na voltage ya serivise kubisabwa byose ni 600 V.
Na none, mu magambo ahinnye THW yabuze “N” kuri nylon-yashizwemo. Igifuniko cya nylon gisa nkigice gito cya plastiki kandi kirinda insinga muburyo busa. Hatabayeho gutwikira nylon, igiciro cyinsinga za THW kirahendutse ariko gitanga uburinzi buke kubidukikije bitandukanye.
THW Wire Strandard
• ASTM B-3: Umuringa Wometseho cyangwa Umugozi woroshye.
• ASTM B-8: Imiyoboro ihagaritse umuringa murwego rwibanze, Ikomeye, Semi-ikomeye cyangwa Yoroshye.
• UL - 83: insinga ninsinga zashyizwe hamwe nibikoresho bya Thermoplastique.
• NEMA WC-5: insinga ninsinga byashyizwe hamwe nibikoresho bya Thermoplastique (ICEA S-61-402) kugirango byohereze no gukwirakwiza amashanyarazi.
2. NIKI CYIZA CYANE?
THWN na THHN bose bongeraho "N" muri acronymare, bivuze ko bose ari insinga zometse kuri nylon. THWN wire isa na THHN. THWN insinga irwanya amazi, wongeyeho "W" mu magambo ahinnye. THWN iruta THHN mumikorere irwanya amazi. THHN cyangwa THWN byose birashobora gukoreshwa mumashanyarazi no kumurika mumashanyarazi, mubucuruzi no gutura, birakwiriye cyane cyane kubishyirwaho bidasanzwe binyuze mumiyoboro igoye kandi bigakoreshwa muri zone yangiza cyangwa byandujwe namavuta, amavuta, lisansi, nibindi nibindi bintu byangiza imiti nkibara, ibishishwa, nibindi, Ubu bwoko bwa con
Igihe cyo kohereza: Nzeri-14-2024