![]() Contact the authorized and licensed electrician for switch installation if you are not sure about the wiring diagrams.Switch off the main circuit breaker to make sure the power supply is OFF before wiring an existing or new outlet or switch with an electrical/junction box.Use the suitable voltage and ampere rating of switch with appropriate wire size and proper size MCB according to the load rating.Neutral Wire is not required in 240V outlets wiring (US) Also, Neutral is never connected to the switches.If there are no color coded screws on outlets, refer to the user manual or contact a licensed electrician.The green screw should be connected to the ground / earth wire (Green/Yellow or naked wire).The silver screws should be connected to the Neutral wire (in case of switched outlet).In short, the color for common terminal is different than other terminals. In case of SPDT and 4-Way (Intermediate switches), black colored screws are used for Hot or common terminals. The brass screws should be connected to the Hot (line, live or phase) wire using the IEC & NEC Wire color codes.To switch on the bulb, switch S 1 must be closed to complete the circuit and glow the light bulb. when the switch is OFF, the circuit acts like an open circuit and the bulb won’t glow. Fig given below shows the basic connection of light switch and their position i.e. And then connect the live wire to the switch as shown in fig below. Just connect the Neutral wire directly to the light bulb and then connect the light bulb to the switch through middle wire. all the components are connected in series. ![]() Single Way Switch (SPST = Single Pole Single Throw) x 1 No.How to Wire Single Pole, Double Throw (SPDT) as 3-Way & 2-Way Switch? IEC & NEC.How to Wire Single Pole, Single Throw (SPST) as 2-Way & 1-Way Switch? IEC & NEC.How to Wire 4-Way Switch (NEC) & Intermediate Switch as 3-Way (IEC)?.Below is a simple step by step tutorial with schematic and wiring diagram which shows how to wire a light switch to control the bulb/lamp from single place with the help of one-way or single way switch?
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