Just loosen up these screws with a screwdriver. Your switchboard has three screws at the back. Now we move to the black wires, also called the hot wires. Read the guidance for the cleaning of exhaust fan Now let’s deal with all the ground wires. But, nowadays, some smart switches are equipped with the use of neutral wires. Usually, they are not connected to the switchboards. You will take the neutral wire from the main supply and the cables and join them together. Exploring the switch box:Īs you open the main panel, you will find the white, ground, and hot wires. Once you open the supply box, you will find four wires, as described above. Make sure that you switch off all the switches. Switch off the main supplies and use a good torchlight. You are now licensed to start wiring as a beginner! The reason for this will be explained in detail further below. You will cover these live wires in blue, black and red. So, all white wires are neutral wires, the unsheathed one is earth, and the third one is the hot one. This understanding will help us connect the required wire to the concerning supply. Let us have an overview of the wires’ color coding in the cable. But the total power supply depends upon the power necessary for the electric heater. Their installation usually requires a power supply of 15-20 A. So, for the above purpose, you need /4 cable. These cables are unique in providing power supply to the two-way light switches. They all are further packed together in a sheath of PVC insulation. Usually, lighting cables have three core wires (in insulation sheath) and the fourth ground wire, i.e., the earth one is without a sheath.
Let us see which wires you need? Cables and wires need a bit of your attention:Ĭable selection is very significant.
Most importantly, a tester, wire cutters, wire plugs, a new switchboard with three switches separately controlled, pliers, screwdrivers, and desired cables. Secondly, be vigilant in getting all the supplies in hand. Sometimes due to faulty wiring, an electric current may be flowing in, so always use a checker before proceeding. Still to be on the safer side, switch off all the buttons and check with the tester for the current. Whenever you start doing the wiring, do not forget to switch off the main breakers. We will explain a few things that you should be careful about: So, now you have decided to overhaul the wiring of your electric supplies in the bathroom. You previously had three separate switches to your washroom electric supplies like an exhaust fan, light, and heater.īut it has been a hassle dealing with them.
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