Lockout – tagout

Lock out, tag out(LOTO) yog txheej txheem kev nyab xeeb siv los xyuas kom meej tias cov cuab yeej txaus ntshai raug kaw kom raug thiab tsis tuaj yeem rov pib dua ua ntej ua tiav kev kho lossis kho cov haujlwm.Nws xav tau qhov ntawdphom sij zogyuav "tshem tawm thiab ua haujlwm tsis ua haujlwm" ua ntej pib ua haujlwm ntawm cov cuab yeej hauv nqe lus nug.Cov khoom siv hluav taws xob cais tau raug kaw thiab ib daim ntawv tso rau ntawm lub xauv uas qhia tus neeg ua haujlwm thiab yog vim li cas LOTO muab tso rau ntawm nws.Tus neeg ua haujlwm tom qab ntawd tuav tus yuam sij rau lub xauv, kom ntseeg tau tias tsuas yog nws tuaj yeem tshem lub xauv thiab pib cov khoom siv.Qhov no tiv thaiv kev sib tsoo ntawm cov khoom siv thaum nws nyob hauv lub xeev muaj kev phom sij lossis thaum tus neeg ua haujlwm tau ntsib ncaj qha nrog nws.

CovNational Electric Codehais tias akev ruaj ntseg/kev pab cuam disconnectyuav tsum tau muab tso rau hauv qhov pom ntawm cov khoom siv tau.Qhov kev ruaj ntseg txiav tawm kom ntseeg tau tias cov cuab yeej tuaj yeem raug cais tawm thiab muaj feem tsawg dua ntawm ib tus neeg tig lub hwj chim rov qab yog tias lawv tuaj yeem pom kev ua haujlwm.Cov kev tiv thaiv kev nyab xeeb no feem ntau muaj ntau qhov chaw rau cov xauv kom ntau tshaj ib tus neeg tuaj yeem ua haujlwm ntawm cov khoom siv yam xyuam xim.

Tsib theem kev nyab xeeb

Raws li European tus qauvTS EN 50110-1, cov txheej txheem kev nyab xeeb ua ntej ua haujlwm ntawm cov khoom siv hluav taws xob suav nrog tsib kauj ruam hauv qab no:

1. disconnect tag nrho;
2. ruaj ntseg tiv thaiv kev sib txuas;
3. xyuas tias lub installation yog tuag;
4. nqa lub ntiaj teb thiab luv-circuiting;
5. muab kev tiv thaiv tiv thaiv nyob ib puag ncig.

Rita braida@chianwelken.com