Video: Dab tsi yuav tsum muaj arc flash label?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Arc Flash Label Kev xav tau. Arc flash phom sij daim ntawv lo yuav tsum tau muab tso rau ntawm ib qho khoom siv hluav taws xob uas cov neeg ua haujlwm yuav tsum tau ua haujlwm thaum cov cuab yeej tseem muaj zog. Qhov no feem ntau suav nrog cov khoom siv xws li panelboards, switchboards, thiab meter socket enclosures.
Tsis tas li ntawd, puas yuav tsum tau arc flash labeling?
Arc flash labeling yog lub luag haujlwm ntawm tus tswv haujlwm, tsis yog cov chaw tsim khoom lossis tus neeg tsim khoom ntawm cov khoom siv. Kev sau npe yog xav tau rau txhua yam khoom siv hluav taws xob uas yuav xav tau kev kuaj xyuas, kho, kev pabcuam lossis kev saib xyuas thaum muaj zog, tsim kom muaj peev xwm ua tau arc flash xwm txheej tshwm sim.
Ib sab saum toj no, leej twg yog lub luag haujlwm rau arc flash labeling? Tus tswv ntawm cov khoom siv hluav taws xob yuav tsum yog lub luag haujlwm rau cov ntaub ntawv, kev teeb tsa, thiab kev saib xyuas rau thaj chaw-kos npe daim ntawv lo ” Nrog rau qhov sib ntxiv ntawm 130.5 (D), NFPA 70E muab tso rau lub luag haujlwm rau kev muab khoom arc - flash labels squarely ntawm lub xub pwg nyom ntawm tus tswv ntawm cov khoom siv.
Hais txog qhov no, cov khoom siv twg xav tau arc flash labels?
Ntawm no yog ib tug hint… tsis yog txhua yam hluav taws xob khoom siv yuav tsum tau ib arc flash daim ntawv lo.
Cov khoom uas yuav tsum muaj cov ntawv ceeb toom arc flash:
- Switchboards / Panelboards / Distribution boards.
- Industrial Control Vaj Huam Sib Luag.
- Cov Circuit Court Breakers.
- Motor Control Centers.
- Disconnects/Safety Switches (fused)
- Inverters.
- UPS.
- CT Cans.
Puas yog arc flash labels tas sijhawm?
Arc flash ceeb toom cov ntawv tas sij hawm tom qab 5 xyoos. Ua ntej daim ntawv lo hloov ib arc txhaum xam yuav tsum tau ua kom paub tseeb tias cov ntaub ntawv ntawm lub daim ntawv lo tseem muaj tseeb. Cov tshuab hluav taws xob ib kab kab kos yuav tsum tau hloov kho thaum muaj kev hloov pauv.
Pom zoo:
Puas yog arc flash daim ntawv yuav tsum tau ntawm kev txiav?
2. Puas yog qhov kev txiav tawm yuav xav tau kev kuaj xyuas, kho, kev pabcuam, lossis kev saib xyuas thaum muaj zog? Yog tias koj teb YES rau ob nqe lus nug, koj xav tau arc flash hazard daim ntawv ceeb toom. CEEB TOOM: Yog lawm, cov lus nug yuav luag zoo ib yam hauv ob qho tib si, NEC thiab NFPA
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