Cov cuab yeej siv zog, suav nrog cov khoom siv hluav taws xob, yuav tsum yog khaws cia kom raug thiab tsis muaj plua plav, av, roj, tshuaj thiab lwm yam khib nyiab. Cov no yog tag nrho cov accelerants uas, yog ignited, tsim los yog txuas ntxiv qhov teeb meem arc flash. Lub thawv hluav taws xob, cov txee thiab qhov rooj rau qhov chaw hluav taws xob yuav tsum kaw thiab ruaj ntseg.
Thaum twg yuav tsum tau ua haujlwm hluav taws xob raug txiav txim siab?
Kev Ntsuas Hluav Taws Xob Ua Haujlwm yuav tsum ua kom tiav rau txhua txoj haujlwm ntawm lossis ze ze cov hluav taws xob hluav taws xob ntau dua 50 volts, nrog rau kev kuaj mob raws li tau piav qhia saum toj no, qhov chaw hluav taws xob Kev nyab xeeb ua haujlwm tsis tuaj yeem tsim tau.
Yuav ua li cas yog cov khoom siv hluav taws xob muaj zog?
Energized - Hluav taws xob txuas nrog lossis muaj qhov hluav taws xob (2004 NFPA 70E), lossis hluav taws xob them kom muaj peev xwm txawv ntawm lub ntiaj teb nyob ib puag ncig.
Yuav ua li cas ua ntej tso cai rau leej twg ua haujlwm ntawm cov khoom siv hluav taws xob?
Thaum nws tsim nyog los ua haujlwm ntawm cov khoom siv zog, OSHA 1910.333(a)(2) yuav tsum tau siv kev nyab xeeb txog kev ua haujlwm thiab NFPA 70E Tshooj 110.8(B) (1) yuav tsum muaj Kev Ntsuas Hluav Taws Xob Hluav Taws Xob ua ntej ua haujlwm ntawm cov khoom siv nyob ua haujlwm ntawm 50 volts thiab siab dua.
Raws li cov xwm txheej twg OSHA yuav tso cai ua haujlwm ntawm cov khoom siv hluav taws xob lossis cov khoom siv hluav taws xob?
Tsuas yog cov neeg ua haujlwm tsim nyog tuaj yeem ua haujlwm lossis nrog cov kab hluav taws xob raug pom lossis cov khoom siv. Tsuas yog cov neeg ua haujlwm tsim nyog tuaj yeem ua haujlwm hauv thaj chaw uas tsis muaj kev tiv thaiv, tsis muaj kev tiv thaiv kab mob los yog qhov chaw ntawm khoom siv ua haujlwm ntawm 50 volts lossis ntau dua.
