![]() Look for a Smart Switch that doesn’t need neutral wire. So, the next solution might be more suitable for those who are on a budget. The first and obvious solution is to rewire you house with the help of an electrician so that he/she adds a neutral wire to all the light switch locations that you are planning to replace.īut this is an expensive solution. There are a couple of solutions for this problem. If there is no neutral wire, then how to replace the old switch with a smart switch? The problem comes if you want to upgrade your boring toggle switches with advanced smart switches. ![]() Smart Switch No NeutralĪlthough this is fine as long as you are using regular switches. You can get a clear idea on the wiring of a typical light switch and a light bulb from the following image.Īs the light switch doesn’t need any neutral wire to function, many installers skip adding neutral wires to the boxes that have light switches. The light bulb at the end of the circuit has a neutral wire connected to one of its terminals. In other words, it either connects the hot wire to the light bulb or doesn’t connect it. The main purpose of a light switch is to make or break the circuit. Confused? The following section will clear any doubts you have. We need neutral wire for the light bulb to work but it is not essential for the light switch. Neutral wire is very important especially if you are wiring electrical outlets or any large appliances.īut for simple and traditional light switches, it is not that important. In modern homes, a black wire represents the hot wire and a white wire is the neutral wire. If you are familiar with the basic electrical wiring, then you might know that electricity passes from the live or hot wire into the device or appliance and returns through the neutral wire.
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