Tag
Xử lý sự cố
3 articles
ArticleElectricity meter running fast: how to check if it is wrongWhen an electricity meter seems to be running fast, in most cases the meter is still accurate and something in the house is simply using more power than before . To be sure, switch…
ArticleNo-neutral smart switch: wiring it right and fixing common faultsBy the end of this lesson, you will be able to: tell a smart switch that needs a neutral from one that does not, and explain why the no-neutral type has to "borrow" current through…
ArticleWater heater leaking electricity: how to test it and when to replaceAn electric water heater "leaks electricity" when the insulation inside it — usually in the heating element, sometimes in the supply cable, the socket or the thermostat — has faile…