How to Light Up a Glass Jar: Step-by-Step Guide

Gregory Jul 01, 2026

Transforming a simple glass jar into a charming light fixture can add a touch of whimsy and warmth to any space. This DIY project is not only budget-friendly but also a great way to upcycle old jars. Let's explore how to put lights in a glass jar, creating a beautiful ambiance that's perfect for both indoor and outdoor use.

DIY Flower Fairy Light Jar: Create Your Own Magical Glow!
DIY Flower Fairy Light Jar: Create Your Own Magical Glow!

Before we dive into the steps, let's consider the type of lights you'll need. LED fairy lights or string lights with small bulbs work best for this project. They come in various colors and can be found in most craft stores or online. Ensure the lights are safe for enclosed spaces and have a low heat output to prevent the jar from cracking.

9 Mason Jar Fairy Light Arrangements You Can Try
9 Mason Jar Fairy Light Arrangements You Can Try

Preparing Your Glass Jar

Start by choosing a glass jar that's clean and free of any residue. The size and shape of the jar will depend on your preference and the look you want to achieve. For a classic mason jar lamp, you'll need a quart-sized mason jar. For a more unique look, consider using a large apothecary jar or even a vintage bottle.

DIY Mason Jar Glow Lights
DIY Mason Jar Glow Lights

Once you've chosen your jar, make sure it's clean and dry. If the jar has a label, use rubbing alcohol or goo gone to remove any adhesive residue. Allow the jar to air dry completely before starting the project.

Drilling the Jar

Solar Mason Jar Lights
Solar Mason Jar Lights

To accommodate the light cord, you'll need to drill a small hole in the jar's lid. The size of the hole will depend on the thickness of your light cord. Use a drill bit that's slightly larger than the cord's diameter to ensure a snug fit.

Before drilling, mark the center of the lid with a pen. This will help you maintain a straight line while drilling. Apply gentle pressure while drilling to avoid cracking the glass. If you're not comfortable drilling glass, you can also carefully heat the lid with a soldering iron to melt a small hole, but this method may not be as precise.

Testing the Fit

ELECTRIFIED THUNDER GLOW JARS - Crisp Tastes
ELECTRIFIED THUNDER GLOW JARS - Crisp Tastes

Before inserting the lights, test the fit of the cord through the hole. The cord should fit snugly, but not so tight that it causes friction, which could damage the cord over time. If the fit is too loose, you can wrap a small piece of electrical tape around the cord to create a better seal.

Once the cord fits perfectly, you can proceed to the next step. If the cord is too thick to fit through the hole, you may need to use a different type of light or adjust the size of the hole.

Installing the Lights

Create Enchanting Fairy Glow Jars for Magical Nights
Create Enchanting Fairy Glow Jars for Magical Nights

Now that your jar is prepared, it's time to install the lights. Start by turning on the lights to ensure they're working properly. This will also help you determine the best placement for the lights inside the jar.

Begin by threading the cord through the hole in the lid. Allow enough cord on the inside of the jar to reach the bottom. You can then start wrapping the lights around the inside of the jar, working your way up from the bottom. Make sure the lights are evenly distributed and not too tightly packed to allow for proper airflow.

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Hanging the Jar

Once the lights are securely inside the jar, it's time to hang your creation. If your jar has a handle, you can simply hang it from a hook or nail using the handle. If your jar doesn't have a handle, you can create a hanging loop using a piece of twine or ribbon. Tie the twine or ribbon around the jar's neck, creating a loop that's large enough to fit over a hook or nail.

You can also use a chain or a piece of rope to hang your jar lamp. Attach the chain or rope to the lid using a screw eye or carabiner. Make sure the chain or rope is long enough to hang the jar at your desired height.

Finishing Touches

To add a personal touch to your jar lamp, you can paint or decoupage the outside of the jar. You can also wrap the cord in fabric or paint it to match the jar's design. If you're using your jar lamp outdoors, make sure to seal any painted or decoupaged areas with a clear sealant to protect them from the elements.

Finally, don't forget to test your jar lamp to ensure the lights work properly. If everything is in working order, you can now enjoy your beautiful, handmade light fixture.

Creating a glass jar lamp is a fun and rewarding DIY project that adds a unique touch to any space. Whether you're looking to add a touch of whimsy to your living room or create a cozy ambiance in your outdoor patio, a glass jar lamp is the perfect solution. So go ahead, gather your materials, and let your creativity shine!