Kev txheeb xyuas qhov zoo ntawm cov xov hlau tuaj yeem ua los ntawm cov hauv qab no:
Kev tshuaj xyuas qhov tshwm sim: Zoo THHN / THWN / 2 xov hlau thiab cables yuav tsum muaj qhov zoo nkauj, du, tsis muaj qhov tsis zoo, thiab xim tsis sib xws. Cov xov hlau zoo zoo muaj cov yam ntxwv ntawm kev ntim khoom nruj thiab kev sau ntawv meej. Qhov saum npoo ntawm cov hlau muaj hlau THHN qauv, xws li 6 THHN hlau, 12 THHN hlau, 10 THHN hlau, thiab 14 THHN hlau
Rwb thaiv tsev txheej tshuaj xyuas: Cov khoom siv rwb thaiv tsev PVC yuav tsum zoo ib yam, tsis muaj npuas, tawg, impurities, thiab lwm yam tsis xws luag.
Kev tshuaj xyuas tus neeg xyuas: THHN hlau conductors tau muab faib ua tooj liab THHN hlau thiab txhuas THHN. Tsim nyog THHN hlau conductors yuav tsum muaj glossy thiab mos. Fake thiab inferior tooj liab cores muaj tooj liab cores uas yog ntshav dub, yellowish los yog dawb, nrog ntau impurities, tsis zoo txhua yam muaj zog, thiab tsis zoo toughness.
Daim ntawv pov thawj zoo: Cov khoom muaj UL MARK cim thiab UL ntawv pov thawj tus lej
Kev ntsuam xyuas nplaim hluav taws xob: Siv lub teeb taws los ua kom cov xaim hluav taws xob thiab saib xyuas yog tias cov nplaim hluav taws yuav cia li tua. Yog tias nws ua, nws qhia tau hais tias cable THHN muaj cov nplaim hluav taws zoo
Los ntawm kev siv dav dav ntawm cov txheej txheem saum toj no, qhov zoo ntawm cov xov hlau thiab cables tuaj yeem txheeb xyuas tau zoo los xyuas kom muaj kev nyab xeeb.
