Editor's Pick
When to Replace a Safety Switch in Your Sydney Home
If your safety switch is more than ten years old, or it trips for no obvious reason, it is already telling you something.
Safety switches (also called RCDs) are the device most likely to save a life in your home. They detect tiny earth-leakage currents and cut the power within milliseconds, long before that current can reach a person. But like any mechanical device, RCDs do not last forever, and a switch that looks fine on the front panel may no longer be doing its job.
