Kulle/Tagout (LOTO): Sanya maƙallan a kan kayan aiki kafin a gyara su

Kulle/Tagout (LOTO): Sanya maƙallan a kan kayan aiki kafin a gyara su
Motsin da aka saba yi:
Bayan katse wutar lantarki, kulle makullin da makulli na musamman
2. Rataya alamar gargaɗi da ke cewa "Aiki yana ci gaba, kada a rufe makullin" (mutumin da kansa dole ne ya cire alamar).
3. Duba ƙarfin lantarki don tabbatar da babu ƙarfin lantarki kafin ɗaukar mataki
Shari'ar haɗari:
Wani ma'aikacin wutar lantarki a wani masana'anta ya kasaKulle/tagoutdon gyara motar, kuma mai aiki ya rufe maɓallin wutan kuskure, wanda ya haifar da karyewar hannun mai gyaran wutar lantarki saboda murƙushewa. (Bayan gyarawa, dole ne a sami "mutum ɗaya, makulli ɗaya, faranti ɗaya".)
Ii. Gwajin Wutar Lantarki Mai Yawan Wuta: Tabbatar da Ko Akwai Wutar Lantarki Ko Babu a Rayuwar Mutum
Motsin da aka saba yi:
1. Da farko, gwada kayan lantarki da ke kan kayan aiki masu amfani da wutar lantarki don tabbatar da cewa sun yi daidai (a tabbatar ba su lalace ba!)
Lokacin gwada wutar lantarki, sanya safar hannu mai rufewa kuma riƙe sashin da ke ƙasa da zoben kariya
3. Dole ne mutane biyu su kasance a wurin don gwajin ƙarfin lantarki mai ƙarfi (mutum ɗaya yana aiki ɗayan kuma yana kulawa). Aiki mara kyau:
Wani sabon shiga ya yi ƙoƙarin gwada wutar lantarki da hannu ɗaya amma bai lura da rashin kyawun hulɗar na'urar gano wutar lantarki ba. Ya yi kuskure wajen yanke hukunci cewa babu wutar lantarki, wanda hakan ya haifar da ƙonewar wutar lantarki. (Ku tuna: Gwajin wutar lantarki mara kyau ya kawo hawaye biyu ga ƙaunatattunku!)
Iii. Duba Rufin Rufi: A ba da da'irar "gwaji na zahiri" don hana zubewa
Motsin da aka saba yi:
Auna juriyar rufin da'irar da megohmmeter na 500V (idan ya yi ƙasa da 0.5MΩ, dole ne a yi gyara).
2. Ana ɗaukar na'urar jujjuyawar motar a matsayin cancanta ne kawai lokacin da rufin da ke tsakanin matakai ya fi 2MΩ girma
3. A cikin yanayi mai danshi, a auna sau ɗaya a mako; a cikin yanayi mai bushewa, a auna sau ɗaya a wata.
Gyaran masana'anta:
Kayan aikin da ke cikin wani shagon sayar da kayayyaki kan yi ta faɗuwa akai-akai. Bayan gwajin rufin, an gano cewa kebul ɗin sun tsufa kuma sun lalace. Bayan an maye gurbinsu, ƙimar faɗuwar ta ragu zuwa sifili (an adana yuan 100,000 a cikin farashin gyaran da'ira na ɗan gajeren lokaci!)