1. N kaja ai matut mahkai lam: Power socket a matut mahkai terminal (sh) plug gaw socket hte n kaja ai matut mahkai lam nga ai. Nta na arung arai ni hpe bang ai shaloi, n ngang grin ai matut mahkai shara a majaw, ya aten na .
Ndai hku nna, dai hku nna nhtoi htoi tu wa ai.
2. Hten mat ai socket (sh) plug: Socket (sh) plug a spring blade ni gaw n-gun n rawng ai (sh) hkrat sum mat ai majaw, n kaja ai matut mahkai lam byin wa nna, plug hpe bang ai (sh) shaw kau ai shaloi, wan n-ga ni byin wa ai.
Iii. Asak kaba sai (sh) Damaged wires: Wire ni a asak hte insulation layer hkra machyi ai rai yang, wire ni hta circuit kadun mi byin wa na rai nna, dai hku nna nhtoi htoi tu ai hpe shabyin ya na re.
Mali. Grai law ai current: Wan jak langai a n-gun grai law ai shaloi, bang ai aten (sh) shaw kau ai aten hta current gaw kaba ai majaw, wan n-gun arc hpe shabyin ya ai.
V. Neutral wire manghkang: Neutral wire connector hpe atsawm n matut da ai majaw, wan n-gun ni hpe shabyin ya nna, neutral wire wan hkru mat ai.
Kru. Fuse blowout: Overload (sh) kaga lam ni a majaw fuse blows byin ai majaw, circuit kata na current gaw normal circuit lam hku n lai mat wa nna, dai hku nna nhtoi htoi tu ai hpe shabyin ya ai.
Sanit. circuit kata na circuit: circuit kata na wire ni a lapran circuit kadun byin wa ai shaloi, current gaw normal hku n mai pru wa ai majaw, nhtoi htoi wa ai.
