When you want to renovate a room or make changes to the décor, the lighting setup is always a sure way to make a big difference.
Whether you want to install a whole new lighting plan or replace the existing lights, a way of connecting all the lights is never an easy decision.
A good idea is to daisy chain your light together to increase the amount of light and enhance the mood.
To connect your light fittings to a single circuit, use a daisy chain. This works very well for illuminating large areas as well as when you have recessed lighting.
Not only will the lights be controlled by one switch, but they can all be dimmed at the same time as well.
After that, the old light fixtures should be rewired using the new hot and neutral wiring.
Connect the new light fixture's cables to the new wiring.
Continue in this way until all of the lights have been fitted.
Table of Contents 
- Safety Equipment for Fitting Daisy Chain Lights
- Obtain the Required Permission
- Your Insurance May Not Pay Out
- Electrical Load Calculations for Fitting Lights
- Avoid Overloading Light Switches
- Check Your Fuse Box
- Warning: Call a licensed electrician to check your wiring if you are unable to stop the flow of power into the room.
- Setting up the Wires
- Unplugging Existing Fittings
- Pigtail the Wires
- Connecting the New Light Fixtures
- Use Pigtails to Connect the Light Fixtures
- Create a Pigtail For Each New Light Fitting
- Cables Should Go Through the Ceiling
- Finding the Ground Wire
- Testing the New Light Fittings
Safety Equipment for Fitting Daisy Chain Lights
Working with electricity is quite risky. If you're not sure you can handle this work safely, use a professional electrician.
You'll need a pair of safety goggles, new lighting fixtures, a set of screwdrivers, wire strippers for removing the protective covering on the wires, and an extra electrical cable. Finally, you’ll need enough new light bulbs for the fittings.
Obtain the Required Permission
Before undertaking any electrical work, get all necessary permissions.
If you are wiring your home, your local authority may require that you apply for an electrical permit.
It might also be necessary to notify the zoning board in your region of the work you want to do.
Before starting the project, go through the process of obtaining a permit, if one is required.
Otherwise, you could face a fine or if there is a fire, you may be held liable if the installation is not within code.
Your Insurance May Not Pay Out
Furthermore, if you make a mistake and cause damage, your insurance company may refuse to pay for it if you did not have a permit.
If you're merely daisy-chaining lights as a hobby or putting them up outside for a party or event and aren't adapting your home's wiring, you generally don't require a permit.
If you are unsure, contact a neighboring electrician and inquire if permits are required for a project of this nature.
Electrical Load Calculations for Fitting Lights
Calculate the load on your light switch to determine how many bulbs it can support.
The quantity of electricity that flows through a switch is measured in watts.
After removing the wall plate cover, inspect the switch. Each switch has a specific wattage.
Divide the switch wattage by the number of lights you wish to install. This way, you can establish how many lights can be connected to the chain.
Switch wattages of 300, 600, and 1,000 are common. This implies that if you use 100-watt lights, these switches can accommodate 3, 6, and 10 bulbs, respectively.
Avoid Overloading Light Switches
Make sure you’re looking at the wattage measurement on the switch, as other numbers refer to the amperage and voltage. You want to avoid overloading your light switches.
This is quite risky and will start a fire. Install a new switch first if you require more bulbs than the switch can handle.
Turn off the electricity in the space where you are working. Never touch wiring without first shutting off the power. Locate your home's fuse box. Find the fuse for the area you are working in and turn it to the "Off" position.
Check Your Fuse Box
On the inside of the cover of your breaker box, there may be a wiring diagram indicating where each fuse attaches. Find the appropriate fuse using this as a reference.
If you're having trouble finding the right fuse, turn the master switch in the middle off. Keep in mind that while it is off, the electricity will be cut off to your entire house.
To verify there is no current, use a voltmeter to test the wires. Take all necessary steps to ensure that electricity is not flowing to your work area since you will be handling wires while performing this task. If you've already removed it, head to the light switch or the light fixture. Connect the voltmeter's red wire to the white wire and the voltmeter’s black wire to the black wire. The wires are not live if the voltmeter shows a reading of 0.
Do not touch the wires if a volt reading is obtained. Make sure you shut off the correct circuit breaker by checking twice.
Warning: Call a licensed electrician to check your wiring if you are unable to stop the flow of power into the room.
Setting up the Wires
If you're wiring a room, it is best to install new lighting fixtures.
To power multiple light sources in a room, daisy chains of lights are the most frequently used method.
If so, install the new fixtures first before tackling the wiring. Cut a hole in the drywall on the wall or ceiling.
After that, secure the fixture housing with screws. Once that is finished, continue with the wiring.
Always inspect the ceiling before cutting through it to make sure there are no obstacles present.
Each fixture ought to have a hole drilled into it, into which a wire or hanger should be inserted.
Look around inside the wall or ceiling for any obstacles. After making sure the passage is clear, you cut your hole.
Unplugging Existing Fittings
The first light fixture's hot and neutral wires must be disconnected. There are hot and neutral wires that enter each light fixture.
Typically, the neutral wire is white and the hot wire is black. To undo the wires from the fixture, remove the screws holding them in place.
If nothing else is holding the light fixture in place, hold onto it as you unplug the cables.
Pigtail the Wires
The wiring connections to the light fittings may have previously been "pigtailed". This makes the process of daisy-chaining much easier.
Remove the wire nuts connecting the wires to detach them. Then, separate the wire ends from one another.
To reach the next fixture, cut new cables 6 in (150 mm) longer than necessary. Always leave additional length, regardless of the distance between any of the lights you're connecting.
When you're finished, just coil any extra wiring within the light fixture if the wires are too long.
Always use black wires for the and white wires for the neutral.
Connecting the New Light Fixtures
Remove 1 inch (25 mm) of insulation from each new wire. Fixtures should have white and black wire only. Avoid using different colored wires. With a wire stripper, trim 1 inch (25 mm) from each of the wires.
This method should be repeated for each wire utilized in this project.
Use Pigtails to Connect the Light Fixtures
Pigtails are used to connect the wires. Take the new hot wire, the original power supply, and the hot wire from the fixture, then twist together all three ends.
Allow one end of the new wire to be free to connect to the next light fixture. The three-wire tips should then be secured with a wire nut. Repeat with the remaining three neutral wires.
Create a Pigtail For Each New Light Fitting
Remove the neutral and hot wires from the light fitting.
Attach another 3-inch (75 mm) length of black and white wire to the fixture. You can now pigtail the wires with the old fitting’s neutral and hot wires, as well as the ones you're running to the next fixture.
The benefit of pig tailing is that if one light burns out, the remaining lights in the chain will continue to function. Connecting all of the wires directly to the fixture will cut off the electric current if the light burns out.
Cables Should Go Through the Ceiling
Connect the neutral and hot wires to the new light fixture. If you're putting new lights in a room, the cables will almost certainly have to go through the ceiling. Feed the wire into the new fixture. Then, go to the other fixtures and remove the wiring from the ceiling.
If you don't want to run the cables through the walls or the ceiling, you may staple the wiring to the wall instead.
Then connect the ground wire to your new lighting fixtures.
Finding the Ground Wire
Inside the old light fittings, you’ll see bare copper earth wire. The next fixture in the chain will be connected to the earth wire with another bare copper wire.
To fasten the grounding wire to the fixture, wrap it around the corresponding grounding screw. Keep attaching the ground wires to each new fixture you are installing.
Ground wires are occasionally covered with green rubber. The local codes will mention this.
Additionally, some municipal ordinances mandate that ground wires be joined using nuts as opposed to being twisted together. Check the local rules for the correct technique.
Testing the New Light Fittings
Test the chain then reconnect the power. Return to your breaker box and replace the fuses in this room. Then, turn on the light switch and observe whether the lights come on. Your daisy chain was a success if they did.
If the lights do not illuminate, switch off the power and double-check the connections.
Remember that lights should be connected in parallel rather than in series. When many bulbs are linked in series, if one fails, the entire set of lights fails.
The wiring method, correct wire size, and load calculations will all contribute to the safety of the installation.