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Dude Asks Latest Articles

How To Run Ethernet Cable Through Walls?

Written by:
Reviewed by: Philip Calahan
How To Run Ethernet Cable Through Walls?

Running Ethernet cable through walls can be a challenging task, especially if you’re not familiar with the process. However, it is essential for reliable internet connectivity that can power your home or office, especially when you need to connect multiple devices. Ethernet cable installation can also help eliminate the clutter of tangled wires and improve your home or office’s aesthetics. In this article, we’ll discuss some expert tips and tricks that can aid you in running Ethernet cable through walls like a pro. Whether you’re a beginner or expert, we’ve got you covered!

1. Understanding the Basics of Running Ethernet Cables Through Walls

If you’re looking to improve your internet connection speeds and reduce wireless interference, running Ethernet cables through walls can be an effective solution. However, it’s essential to understand the basics of running Ethernet cables through walls before starting the installation process.

Ethernet cables are categorized according to their speeds and applications. The faster the speed, the better the quality of the cable. Cat5e, Cat6, and Cat6a cables are the most commonly used types for homes and small businesses. These cables can handle speeds of up to 1000 Mbps and are suitable for most applications.

Before you start running Ethernet cables through walls, it’s essential to determine your needs. Identify the locations where you want to run the cables and determine the length of the cables required. You’ll also need to plan the way the cables will be routed and consider any obstacles that may be encountered.

When selecting cables, it’s essential to choose the right length and type of cable needed for the installation. Ensure that the cable can support the required speeds and power levels of your devices. Ethernet cables should be tested before installation to ensure they’re working correctly. Additionally, it’s essential to consider the installation environment to ensure the cables are protected from any damage, such as moisture or heat.

In the next section, we’ll discuss the tools and materials required for running Ethernet cables through walls.

2. Essential Tools and Materials needed to run an Ethernet Cable through walls

Before diving into a home network project, it is crucial to be equipped with the right tools and materials. Here are some of the essential items that you will need to run Ethernet cables through walls:


  • Drill: A hand drill or power drill will be required to make holes in your walls for the Ethernet cables.
  • Fish Tape: This tool will help you guide and pull the Ethernet cable through your walls.
  • Cable Tester: This tool checks whether the Ethernet cable is functioning correctly after installation.
  • Stud Finder: Finding the location of studs in walls is essential to avoid drilling into them accidentally.
  • Safety Gear: Gloves, goggles, and a mask are highly recommended to protect yourself from debris that may arise while installing the Ethernet cables.


  • Unshielded Twisted Pair (UTP) Ethernet Cables: Pick the right length and category for your Ethernet cables.
  • Wall Plates: Wall plates create a neat and tidy finish, offering a convenient termination point for Ethernet cables.
  • Low-Voltage Mounting Brackets: These brackets are used to secure wall plates to walls.
  • Cable Staples: Use these to secure the Ethernet cables as you run them along the walls.
  • Cable Ties: These are helpful to keep Ethernet cables organized and tidy.
  • Foam Sealant: Foam sealant helps to keep gaps closed and avoid air movement, which could lead to cooling problems if you are running cables in your attic or basement.

Having these tools and materials on hand before starting your Ethernet cable installation will ensure that you are left with a professional-looking installation that functions correctly while avoiding any potential damage to your walls.

3. Preparing Your Walls for Running Ethernet Cables Safely and Effectively

Before you start running Ethernet cables through your walls, it’s important to prepare your walls appropriately. Here are some essential steps to ensure a safe and effective installation:

1. Identify Obstructions: The first thing you need to do is to identify obstructions that may interfere with running the Ethernet cables in your walls. Common culprits include electrical wires, plumbing, and HVAC systems. Be sure to locate these obstructions before drilling any holes.

2. Determine the Length of Cable Needed: Measure the distance between the source and destination of the Ethernet cable. Add some extra footage to ensure you have enough cable to work within the wall cavity.

3. Plan the Cable Route: Plan the route your Ethernet cable will take through the walls, ceilings, or floors. Check for any corner or sharp edges where the cable may bend or press up against the surface. Keep the cable away from any high voltage electrical cables or transformers.

4. Cut the Drywall: Carefully cut a hole of a suitable size in the wall or ceiling to accommodate the connector box or jack where the Ethernet cable will terminate. Use a measuring tool to get the size and shape of the hole just right.

5. Create a Pathway: Use a fish tape or a wire coat hanger to fish the Ethernet cable through the holes. Attach one end of the cable to the tape or coat hanger and feed it through the holes you have prepared.

By following these simple preparation steps, you’ll be on your way to running Ethernet cables through your walls safely and effectively. Remember, it’s essential to take sufficient care and precaution when working with hard walls, so you don’t damage your property or risk injury.

4. Tips and Tricks for Installing Ethernet Cables in Tight Spaces

Running Ethernet cables through walls is a great way to get high-speed internet connectivity throughout your home or office. However, it can be a bit challenging to install cables when you have to navigate through tight spaces. Here are some tips and tricks you can use to make the process a bit easier.

Use a Fish Tape

Fish tape is an essential tool that can help you run Ethernet cables through tight spaces such as walls, ceilings, and floors. It is a long, flexible, and narrow steel cable that allows you to push or pull the Ethernet cable through difficult-to-reach areas.

To use a fish tape, attach one end of the Ethernet cable to the tip of the tape and then insert the tape into the wall. Push the tape until it reaches the other end, and then use the tape to pull the Ethernet cable through the wall.

Use a Glow Rod

A glow rod is another excellent tool that can come in handy when installing Ethernet cables in tight spaces. It is a flexible, lightweight, and illuminated fiberglass rod that allows you to navigate through dark areas such as attics, basements, or crawl spaces.

To use a glow rod, attach one end of the Ethernet cable to the tip of the rod. Insert the rod into the tight space and then push it until it reaches the other end. Use the rod to pull the Ethernet cable through the wall.

Bend the Ethernet Cable

When running Ethernet cables through tight spaces, you can also bend the cable gently to make it fit into the wall. Be sure to avoid sharp angles, as they can damage the cable. Instead, use a gentle curve to navigate the Ethernet cable through the tight space.

By using these tips and tricks, you can install Ethernet cables in tight spaces safely and effectively. Remember to handle the Ethernet cable with care, avoid sharp angles and bends that can damage the cable during installation.

5. Testing and Troubleshooting Your Ethernet Connection after Installation

After installing your ethernet cable through the walls, testing and troubleshooting your ethernet connection is crucial to ensure that your network is running smoothly. In this section, we’ll walk you through the steps to test and troubleshoot your ethernet connection.

Step 1: Check Your Cables and Connections

The first step in troubleshooting your ethernet connection is to check your cables and connections. Ensure that your ethernet cable is securely connected to your router and device. Check your cable for any damages or wear, as damaged cables can cause connection issues.

Step 2: Check Your Network Settings

If your cables and connections are in good condition, the next step is to check your network settings. Ensure that your device is set up to use ethernet rather than Wi-Fi. Check your IP address, subnet mask, and default gateway to ensure they are correctly configured.

Step 3: Restart Your Devices

If your cables and network settings are correct, the next step is to restart your devices. Power off your router and device and wait for a few minutes before turning them back on.

If the above troubleshooting steps don’t resolve your ethernet connection issues, it may be worth seeking the assistance of a professional or contacting your internet service provider for further assistance.

Remember: Testing and troubleshooting your ethernet connection is essential to ensure that your network is running smoothly. Checking your cables, network settings, and restarting your devices are simple troubleshooting steps that can help resolve most ethernet connection issues.

6. Do’s and Don’ts of Running Ethernet Cables through Walls

Running Ethernet cables through walls requires careful attention to detail and following specific guidelines to ensure successful installation. In this section, we will highlight some of the important .


1. Do plan and measure before drilling: Before drilling any holes, make sure you have a solid plan in place and take accurate measurements. It’s important to avoid drilling into any electrical cables or water pipes.

2. Do use quality Ethernet cables: Always use high-quality Ethernet cables to avoid signal loss and interference. Shielded cables provide better performance in areas with high electromagnetic interference.


1. Don’t use power tools: Avoid using power tools to drill holes as they can easily damage the wall. Use a hand drill instead, which will give you more control and precision.

2. Don’t run cables near electrical wires: Running Ethernet cables near electrical wires can lead to interference and degrade the quality of the signal. Try to keep a distance of at least 6-8 inches.

3. Don’t skip testing: Always test your Ethernet connection after installation to ensure it’s working correctly. Skipping this step can lead to potential problems down the road.

By following these do’s and don’ts, you’ll be well on your way to a successful Ethernet cable installation through walls. Keep in mind that safety should always come first, and taking the time to plan and measure can save you from potential headaches later on.

7. Bringing it all together: Step-by-Step Guideline for Running Ethernet Cables through Walls

So, you’ve gathered all the necessary tools and materials, prepared your walls, and are ready to start running your Ethernet cable through the walls. However, if you’ve never done this before, it can be intimidating. Don’t worry, though; our easy-to-follow step-by-step guideline will help you through the entire process.

Step 1: Plan Your Route

Before you start drilling holes, plan your cable route. Find the shortest distance between the two connection points, and identify any potential obstacles. This step ensures you have enough cable and will prevent any surprises along the way.

Step 2: Cut Holes in Your Wall

Using a drywall saw, cut a hole in your wall near both connection points. The hole should be big enough to fit an Ethernet cable.

Step 3: Run Your Cable through the Walls

Feed your cable through one hole and push it gently towards the other hole. Use a fish tape or a coat hanger to grab the end of the cable and pull it through the hole. Repeat the process until the cable is fully connected.

Step 4: Secure Your Cable

Use a staple gun or cable clips to secure the cable to the wall. This step ensures your cable stays in place and won’t move around in the wall.

Step 5: Test Your Connection

Plug both ends of the Ethernet cable into their respective connection points and test your internet connection. If everything is working correctly, you’re done!

Running Ethernet cables through walls may seem daunting, but with this step-by-step guideline, you’ll be able to complete the process safely and effectively. Remember to plan your route carefully, cut holes in the wall, run your cable, secure it properly, and, most importantly, test your connection. Happy networking!

People Also Ask

Can you run Ethernet cable through a wall?

Yes, you can run Ethernet cable through a wall. This can be done by cutting a hole in the wall, fishing the cable through the hole with a fish tape or coat hanger, and then patching the hole.

What tools do I need to run Ethernet cable through walls?

You will need a fish tape or coat hanger, a drywall saw or hole saw, wire strippers, and a cable tester. Optional tools include a stud finder, drill and drill bits, and a cable snake.

How do you fish an Ethernet cable through a wall?

To fish an Ethernet cable through a wall, start by drilling a small hole where you want the cable to come out. Next, use a fish tape or coat hanger to feed the cable through the wall, being careful to avoid any electrical wiring. Once the cable is pulled through, finish by attaching the connectors and testing the connection.

How do I make sure my Ethernet cable is safe inside the wall?

To ensure your Ethernet cable is safe inside the wall, make sure to use plenum-rated cable that meets building standards for fire safety. Additionally, avoid running cable alongside electrical wiring, and use grommets or conduit to protect the cables from sharp edges.

Is it better to use wall plates or just drill a hole for Ethernet?

Using wall plates is generally considered the better option as they provide a clean and professional look to the installation. Additionally, they can help protect the cable from wear and tear and allow for easier future upgrades or modifications.


Running Ethernet cable through walls can be a challenging task, but with the right tools and techniques, anyone can do it. Whether you choose to use wall plates or just drill a hole, make sure to follow best practices for safety and performance, and always test your connections before sealing up the wall. With a little patience and attention to detail, you can have a reliable and high-speed Ethernet connection running throughout your home or office.

Paul McCoy

Paul McCoy

Content Marketing Manager
In addition to my expertise as a Content Marketing Manager, I've also honed my skills in editorial processes and content curation through my role as an Editor at Dude Ask, a leading digital platform. At Dude Ask, I've spearheaded editorial initiatives, overseeing the publication of high-quality content and ensuring consistency in tone and messaging across all channels. My experience in editorial management has equipped me with a keen eye for detail and a knack for refining content to resonate with diverse audiences. Leveraging my passion for storytelling and deep understanding of audience behavior, I collaborate closely with writers and contributors to craft compelling narratives that captivate and inspire action. My tenure at Dude Ask has further solidified my commitment to driving engagement and growth through strategic content initiatives, positioning me as a versatile leader in the dynamic landscape of digital marketing and editorial management.

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