Electrical Guides
What to Know Before Installing a Level 2 EV Charger
Panel capacity, circuit requirements, and placement considerations to think through before installing a home EV charger.
Level 1 vs. Level 2 charging
Most electric vehicles come with a Level 1 charging cable that plugs into a standard household outlet, but it charges slowly — often overnight for a meaningful range. A Level 2 charger runs on a dedicated 240-volt circuit, similar to an electric dryer, and charges significantly faster, which is why most homeowners planning to charge regularly at home choose to install one.
Panel capacity is the first question
Before installing a Level 2 charger, the key question is whether your electrical panel has enough available capacity for a new 240-volt circuit. Panels that are older, already near capacity, or lack open breaker slots may need an upgrade before a charger can be added.
If you do not know your panel's age or available capacity, that is a normal starting point — describing your panel when requesting service is enough to get the conversation going.
Placement and distance considerations
Where you plan to charge matters too. A charger installed close to the panel is generally more straightforward than one that requires running a circuit a long distance — to a detached garage, for example. Mentioning your parking setup and its distance from the panel helps when scoping the project.
Planning for more than one vehicle
If you expect to charge more than one EV at home, either now or in the future, it is worth mentioning that upfront. It can affect both the panel capacity needed and whether a second circuit makes sense to plan for at the same time.