Smart Switch Wiring Diagrams

There are no special wiring diagrams for smart switches, and the wiring process for different types of smart switches is like that of a normal single-pole or 3-way switch. However, all smart switches come with certain wiring diagrams for switches of the same brand. Here we will cover and process for smart switch wiring with details. Let’s get started with Smart Switch Wiring Diagrams

Is Switches Use Neutral Wire?

Check that a neutral wire exists on the switch box to get a smart switch.  Some smart switches use a neutral connection and some do not need a neutral. It is not an easy process to connect the neutral wire with the existing switch box. Do not use ground wire as neutral for a switch that does not need neutral.

 

How to Wire smart light switch with neutral?

• Before wiring smart light switch with a neutral wire off the power at the breaker box to avoid any shock. With the use of a tester make sure that the power is completely off.
• Then remove the damaged or faulty switch connected to the wall box. Disconnect the wires and note down their connection points.
• After removing the previous switch find the neutral wire that is normally gray or white. A smart switch normally uses neutral wire for accurate working.
• Prepare the wire with a stripper to make the connection. Then connect the wires of the new smart switch according to the connection mentioned by manufacturers as well as ground wire.
• Now put the switch in the wall box and screw it.
• When the switch is connected restore power through the circuit breaker and check smart light switch working well.
• Here you can see the wiring diagram of the Lutron Caseta 3-Way Dimmer or Smart switch with a neutral wire connected.

 

Lutron Caseta Wireless Single Pole wiring with neutral wire

 

How to Wire smart light switch without neutral?

• There is an option available for the smart light switch to connect without the use of a neutral wire before making sure that your home wiring provides no neutral switch connection since not all switches support these designs.
• First of all off the power supply from the breaker to avoid any shock. With the use of a voltage tester make sure there is no current flow.
• Remove the wall plate for the previous light switch and disconnect the older switch on the wall box. Note down the wire connections.
• For circuits without neutral wire TP-link smart switches are best for use in no neutral wiring since they are best for this process.
• Lutron smart switches with no neutral are also best to use.
• Now connect wires line, load, and ground according to previously noted points then secure with connectors.
• Put the switch in the wall box and over it and on the power supply from the breaker to check the switch working.

 

3-Way Smart Switch  Lutron Caseta Wireless Dimmer Wiring without neutral

 

How to connect neutral wire with light switch?

• For this process also off the power supply at the breaker point to save work. With the use of a screwdriver remove the wall plate of an already connected light switch. With the tester make sure that no power flows.
• Remove the switch from the wall box. Find ground wire that is normally green or bare and hot wire that is black in color.
• If there is no grey or white wire then we need to add neutral wire.
• For this purpose get new wire from existing appliances like bulbs, ceiling fans, or other closest outlets that have neutral wire.
• Trim new wire with stripper and connect to switch terminals that is for neutral wires. Secure all connections with wire connectors and cover them with a tap.
• After adding neutral wire connect it with the defined point of the smart switch. Check all connections are tight and properly secure before putting the switch into the wall box.
• For an outlet or 3-phase system we can use the same process for adding neutral wire as discussed above, that soruce neutral wire from other outler or appliances neutral wire. With this process, you can connect more smart devices at home.

3-Way Smart Switch Wiring Diagrams

Leviton WiFi Single Pole wiring diagram with neutral wire

 

Leviton WiFi 3-Way wiring with neutral wire

How to install smart switch with 2 wires?

• For wiring a smart switch with 2 wires make sure that the power supply is off at the breaker or fuse boxes.
• Open your switch-connected wiring and find hot wire and load wire, with the use of a wire stripper for stripping the required ends.
• Make connection of new switch with replacing older one through live and load wires with connectors. If ground wire exists connect with a smart switch for safety purposes.
• But some smart switches do not come with neutral wire so use a switch that supports that design. For wiring a light switch with 2 wires, it is good to follow the wiring process given by manufacturers to minimize any error.
• Reconnect the wall plate on the breaker and check smart light is working well.

Can I install a smart switch myself?

• Yes, but you must know light switch wiring and the working process. Through power off change the light switch according to already connected switch wiring connections.

How to Connect Smart Light Switches with WiFi?

• If the smart light switch is connected in the circuit check the switch and press it for some time light blinks on the switch for about 20 seconds in result smart swithc indicator light starts blinking.
• From your phone app store download the required app according to the switch. Make your account login to your account and choose a related device for a matching connection. Press on the WiFi switch option
• The connection will be made in about half-hour then select your Internet network rename it put in your password and keep your phone loose to switch and wait for scanning.
• Now your switch is connected and start working

 Do smart switches work without Internet?

• Smart switches are used for home lighting for continued work and also when the home net not working and still working without it. They come with high-technology networking features not work and you can use them to turn lights on or off as you do with a standard light switch.

Is the smart light switch faster with cable or wireless?

• USB connection used for file moving and transferring files through wireless way is a fast process and use of SMRT switch USB OTG connection is high speed. The wired connection is good for data transfer since it does not come with any interference while wireless there is signal interference for proper transfer of data.