Moreover, we also encourage flipping the light switch and using a voltmeter to confirm that no current flows in the component. With that, here’s how we change most light switches for every household: Turn Off the Powerīefore our electricians touch any electrical component, we make sure to turn off the power at the circuit breaker or fuse box. But while you can’t do it yourself, it still helps to learn how electricians get the job done. In other words, changing your light switches is a dangerous task, especially if you don’t have the knowledge and experience in electrical work. To guarantee a safe and reliable, only experienced and authorised people should examine and alter your electrical system. ![]() While most light switches are small components and seem easy to install, the NSW local government still requires a level 2 electrician to do electrical work.
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