how to install level 2 ev charger at home


How to Install Level 2 EV Charger at Home


Electric vehicles (EVs) are becoming increasingly popular due to their environmental benefits and cost savings on fuel expenses. As more people are embracing this sustainable mode of transportation, the need for installing a level 2 EV charger at home has grown significantly. A level 2 EV charger provides faster charging times compared to a standard 120-volt outlet, enabling you to conveniently charge your EV overnight. In this article, we will guide you through the process of installing a level 2 EV charger at home, step by step.

Choosing the Right Level 2 EV Charger

When it comes to selecting the right level 2 EV charger for your home, several factors need to be considered. Here are a few key points to keep in mind:

1. Understand Your Vehicle's Charging Capability:

Different electric vehicles have varying charging needs. Before purchasing a level 2 EV charger, check your vehicle's charging capabilities and the recommended voltage and amperage for optimal charging. This information can typically be found in your vehicle's owner's manual or by contacting the manufacturer.

2. Consider Charging Speed and Power:

Level 2 EV chargers are available in different power levels, with 240-volt chargers being the most common. These chargers can typically provide charging speeds between 10 and 50 miles of range per hour, depending on the charger's power output. Consider your daily driving habits and the required charging time to choose a charger that suits your needs.

3. Evaluate Cord Length and Connector:

Ensure that the level 2 EV charger you choose comes with a cord length that can comfortably reach your vehicle from its installation location. Additionally, check if the charger connector matches your vehicle's charging port. Most chargers offer adapters to accommodate different vehicle types, but it is essential to double-check compatibility before making a purchase.

4. Look for Smart Charging Features:

Some level 2 EV chargers come equipped with smart charging features that allow you to schedule and monitor charging sessions. These features provide a greater level of control, allowing you to take advantage of off-peak electricity rates, optimize charging times, and prevent overcharging.

5. Safety and Certification:

Always opt for level 2 EV chargers that are certified to meet safety standards, such as UL listing or Energy Star ratings. These certifications ensure that the charger has undergone rigorous testing and meets all the necessary electrical safety requirements.

Required Tools and Materials

Before you begin the installation process, gather the following tools and materials to ensure a smooth and efficient setup:

- Level 2 EV charger kit (including the charger, mounting bracket, and any necessary cables)

- Junction box

- Circuit breaker

- Wire strippers

- Wire nuts

- Screwdriver

- Electric drill

- Measuring tape

- Voltage tester

- Conduit pipe

- Fasteners (screws, bolts, etc.)

- Wire clamps

- Protective gloves and goggles (for safety during installation)

Installation Steps

Now that you have selected the right level 2 EV charger and gathered all the required tools and materials, let's dive into the installation process. Although it is recommended to hire a licensed electrician or professional for the installation, for those who are knowledgeable and comfortable working with electrical systems, take the following steps:

1. Determine the Installation Location:

Choose a suitable location near your vehicle's parking spot for mounting the charger. The location should provide sufficient space, convenient access, and protection from environmental elements.

2. Turn Off the Power:

Head over to your home's main electrical panel and switch off the power. This step is crucial to ensure your safety while working on the installation. Double-check that the power has been successfully turned off using a voltage tester.

3. Mount the Charging Unit:

Refer to the manufacturer's instructions to mount the charging unit on a suitable surface using the provided mounting bracket. Ensure that the charger is positioned away from direct sunlight, water sources, and any potential harm.

4. Install the Junction Box:

Install a junction box near the charging unit to house the electrical connections. Use an electric drill to create holes for attaching the box securely to the wall or mounting surface.

5. Connect the Circuit Breaker:

With the power turned off, connect the circuit breaker to your home's electrical panel. Choose a breaker size that matches the requirements of your level 2 EV charger. Consult an electrician or refer to the manufacturer's guidelines if you are unsure about the appropriate breaker size.

6. Run the Wiring:

Using the appropriate wire size and type specified by the manufacturer, run the wiring from the junction box to the electrical panel. Ensure that the wires are properly secured and protected using conduit pipes, wire clamps, and fasteners as necessary.

- Wire Size and Ampacity Ratings:

Selecting the correct wire size for your level 2 EV charger is essential to ensure safe and efficient charging. The wire size depends on the charger's amperage rating and the distance between the charger and the electrical panel. Consult the National Electric Code (NEC) guidelines or seek the advice of a professional electrician to determine the appropriate wire size and ensure compliance with local regulations.

7. Make the Electrical Connections:

Following the manufacturer's instructions, make the electrical connections inside the junction box. This typically involves connecting the wires from the circuit breaker, charger, and grounding component. Use wire nuts to securely join the wires together, and follow proper color-coding standards.

8. Secure and Test the Wiring:

Ensure that all connections are tight and secure inside the junction box. Once done, turn on the power at the electrical panel and use a voltage tester to check if the wiring and connections are functioning correctly. Additionally, check for any signs of overheating or abnormal behavior during the initial testing phase.

9. Finalize the Installation:

Once you have verified the correct operation of the level 2 EV charger, finalize the installation by securing all the wiring, cables, and components in place. Use fasteners, zip ties, or conduit clamps to keep the installation neat and organized.

10. Test the Charger with Your Vehicle:

It's time to put your newly installed level 2 EV charger to the test. Connect your electric vehicle to the charger and ensure that it starts charging promptly. Monitor the charging progress to verify that the charger is functioning as expected and delivering an optimal charge to your vehicle.


Installing a level 2 EV charger at home provides a convenient and efficient way to charge your electric vehicle. By following the proper steps and considering important factors such as charger compatibility, power requirements, and safety certifications, you can ensure a successful installation. If you are uncertain or lack the necessary electrical knowledge, it is advised to seek professional assistance to guarantee a safe and compliant installation. Embrace the benefits of an at-home level 2 EV charger and enjoy the ease of charging your electric vehicle, reducing range anxiety, and contributing to a greener future.


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