Lub National Highway Traffic Safety Administration (NHTSA) tau tshaj tawm tsab ntawv txiav txim zaum kawg uas xav kom cov tsheb thauj khoom tsim los ntawm lossis tom qab lub Kaum Ob Hlis 1, 1993 muaj qhov dav dav ntawm 80 ntiv tes lossis ntau dua thiab qhov ntsuas lub tsheb hnyav (GVWR) ntau tshaj 10,{{4 }} phaus, Nruab nrog cov khoom siv ntawm ob sab thiab nraub qaum uas ua rau lawv pom ntau dua ntawm txoj kev. NHTSA kev txiav txim tso cai rau cov neeg tsim khoom lag luam txhawm rau nruab daim kab xev liab thiab dawb los yog zaj duab xis lossis iav. Daim kab xev no feem ntau hu ua DOT C2 reflective daim kab xev, yog li nws tau cim rau kev txheeb xyuas yooj yim
DOT Certification Logo - Lub npe DOT-C2 yuav tsum tshwm sim ntawm daim kab xev yam tsawg kawg txhua 12 ntiv tes. Cov cim yuav tsum muaj tsawg kawg yog 3 hli siab thiab stamped hauv indelible number case los yog sib npaug. Cov lus tseeb yog hauv qab no:
S5.7.1.5 Daim ntawv pov thawj. Cov ntawv DOT-C2, DOT-C3, lossis DOT-C4, raws li qhov tsim nyog, tsim ib daim ntawv pov thawj tias daim ntawv retroreflective ua raws li qhov yuav tsum tau muaj ntawm S5.7.1.2, yuav tsum tshwm sim tsawg kawg ib zaug ntawm qhov pom ntawm txhua qhov dawb lossis liab. ntu ntawm retroreflective sheeting, thiab tsawg kawg ib zaug txhua 300 mm ntawm retroreflective sheeting uas yog dawb xwb. Cov cim yuav tsum tsis pub tsawg dua 3 hli siab, thiab yuav tsum tau stamped mus tas li, etched, molded, los yog luam nyob rau hauv indelible number case.
Liab / Dawb DOT C2 Reflective Truck Daim kab xev Specifications:Nyem qhov no
