EV Charger Installation Guide: What's Involved & What Affects Cost
Charging an electric car at home is far more convenient than relying on public stations — but a proper installation is more than bolting a box to the wall. Here
Charging an electric car at home is far more convenient than relying on public stations — but a proper installation is more than bolting a box to the wall. Here's what a home EV charger setup actually involves, how to know if your panel can handle it, and what makes one install cost more than another.
Level 1 vs Level 2 charging
| Level 1 | Level 2 | |
|---|---|---|
| Outlet | Standard 120V plug | Dedicated 240V circuit |
| Speed | Slow — a few miles of range per hour | Fast — full overnight charge for most cars |
| Best for | Plug-in hybrids, very low daily miles | Most EV owners |
| Install needed | None (uses existing outlet) | Yes — dedicated circuit from the panel |
Most drivers want Level 2. It needs a dedicated 240V circuit run from your panel to the charger location, sized to the unit and your vehicle.
What a proper install includes
- A load check to confirm your panel has spare capacity for the new circuit
- A dedicated 240V circuit and the correct breaker (often 40A–60A)
- A clean conduit or cable run from the panel to the garage or driveway
- Mounting and connecting the charger (hardwired or on a NEMA 14-50 outlet)
- GFCI protection and proper grounding to code
- Permit and inspection where required
Will your panel handle it?
This is the big variable. A modern 200A panel with open slots usually takes an EV circuit easily. An older 100A panel, a full panel, or an undersized service may need an upgrade first. We run a load calculation before quoting so there are no surprises — see our guide on whether you need a 200A upgrade.
What affects the cost
The charger itself is only part of it. The bigger cost drivers are distance and access:
- How far the charger is from the panel (longer runs = more wire and labor)
- Whether the run is an easy open path or goes through finished walls
- Whether your panel has capacity or needs an upgrade
- Charger type — hardwired unit vs a 14-50 outlet, and the brand
- Permit and inspection fees
A 240V EV circuit carries serious current and feeds an appliance you'll use daily for years. An undersized wire, a loose lug, or a missing ground can overheat. This is licensed-electrician work, and in South Carolina circuit additions like this require a permit.
Brands we install
We install and connect Tesla Wall Connectors, ChargePoint units, and other major Level 2 chargers. Ready to set one up? Start with our EV charger installation service. Call (843) 595-9236.
Related guides
Need an electrician now?
Sparking outlets, a burning smell, a dead panel or no power? Call Palmetto Electric for fast, licensed help in Florence and across the Pee Dee — 24 hours a day, 7 days a week.
Call (843) 595-9236 Open 24 hours · Licensed & insuredFrequently asked questions
Can I install a Level 2 EV charger myself?
We don't recommend it — a 240V circuit carries high current and requires a permit in South Carolina. Improper work is a fire and shock risk. A licensed electrician sizes and installs it correctly.
Do I need a 200A panel for an EV charger?
Not always — it depends on your existing load and capacity. Many homes can add a charger to a 200A panel easily; older or full panels may need an upgrade. We check first.
How long does an EV charger install take?
A straightforward Level 2 install is often a few hours. Longer runs, finished walls, or a panel upgrade add time. We give a clear scope before starting.
Should I get a hardwired charger or a 14-50 outlet?
Both work; hardwired units can charge faster and are tidy, while a 14-50 outlet lets you unplug the charger. We'll recommend based on your charger and setup. Call (843) 595-9236.