EV Charger Circuits & Level 2 Charging Station Wiring
Dedicated 240-volt circuits and panel capacity so your Level 2 charger works on day one, at full speed, without nuisance trips.
The charger is the easy part. The panel isn't.
Most EV charging problems are panel problems. The charger arrives in a box with a clear instruction sheet; what it does not tell you is whether your service can carry another 48 amps of continuous load, whether there is a breaker space left, or whether the busbar rating allows it.
That is exactly the question we answer for a living. We run the load calculation, tell you what your panel supports today, and give you options if it does not: a load-managed circuit, a smaller charger setting that still charges overnight, a subpanel, or a service upgrade.
- Dedicated 240V circuit sized to the charger's continuous load
- Copper conductors in conduit, run cleanly along the garage wall
- Hardwired installation or a NEMA 14-50 outlet, your choice
- GFCI protection per current code
- Circuit labeled and documented in the panel directory
When your panel is already full
A full panel does not automatically mean a service upgrade. Depending on the equipment, we may be able to use a load-management device that pauses charging when the house is drawing heavily, install a subpanel closer to the garage, or reconfigure existing circuits to free capacity.
When an upgrade genuinely is the right answer, we say so and quote the panel upgrade and the charger circuit together so there is no second mobilization charge.
Charging speed, in plain terms
A 40-amp circuit gives most EVs roughly 25 to 30 miles of range per hour of charging. A 60-amp circuit gives more, but only if the vehicle's onboard charger can accept it. Paying for the larger circuit only makes sense when the car can use it or a future one will.
We ask what you drive, how far you commute and whether a second EV is coming, then recommend the circuit that fits rather than the biggest one on the shelf.
Our process
How an EPO charging stations job runs
- 01
Capacity check
We evaluate your panel and run a load calculation for the charger you have or plan to buy.
- 02
Route and placement
We agree on charger location, cable reach and conduit routing so the finished install looks intentional.
- 03
Quote and permit
Fixed price including the permit and inspection, no hourly surprises.
- 04
Installation
Typically a half-day. Circuit run, charger mounted or receptacle installed, everything tested with the vehicle.
- 05
Inspection and handoff
Permit closed out, and we confirm the charger is delivering the amperage it should.
Pricing
What moves the price on this job
We quote after seeing the equipment, because these details change the number more than anything else.
- Distance from the panel to the charger location
- Circuit amperage and conductor size
- Surface conduit versus concealed routing
- Available panel capacity and breaker spaces
- Hardwired charger versus receptacle
- Permit fees in your jurisdiction
Monthly payments available through Hearth
Prequalifying takes about a minute and uses a soft credit check, so seeing your options does not affect your credit score.
FAQ
Common questions
Do you supply the charger?
We can install a charger you have already purchased, or advise on models that suit your vehicle and panel. We are not tied to a single brand.
Can I just use a regular outlet?
A standard 120V outlet adds roughly three to five miles of range per hour. It works for very short commutes; most households want a Level 2 circuit.
How long does the install take?
Most garage installs are a half-day. Longer runs, finished basements or exterior routes can take a full day.
Does an EV charger need a permit?
Yes. Every jurisdiction we serve requires a permit and inspection for a new 240V circuit. It is included in our price.
How much does it cost to install a Level 2 EV charger?
The circuit length, panel capacity and whether the run is exposed or fished through finished space drive the number more than the charger itself. We price it on site in writing.
Will my panel handle an EV charger?
We run a load calculation before quoting. Plenty of 100-amp homes can take a charger with the right breaker size or load management; some need a service upgrade first, and we tell you which one you are.
What amperage circuit should my charger be on?
A 40 or 48 amp charger on a 50 or 60 amp circuit covers most drivers, adding roughly 30 to 40 miles of range per hour. Bigger is not automatically better if it forces a service upgrade you do not need.
Can you install a charger outside or in a carport?
Yes. Outdoor installs use weather-rated equipment and proper conduit, which is routine on Front Range homes with detached garages and carports.
Can you install a charger and replace my panel at the same time?
That is the most cost-effective way to do it. One permit, one crew, one power-off window, and the circuit is designed into the new panel instead of squeezed in later.
Are there rebates for EV charger installation in Colorado?
Xcel Energy and some municipalities run charger and wiring rebates that change year to year. We will tell you what we are seeing homeowners use when we quote the job.
Still deciding?
The fastest way to get a real answer for your home is to have a tech open the panel. The on-site estimate is free, and you leave with a written price for charging stations.
Want the long version first? Read What Your EV Charger Needs From Your Electrical Panel.
Where we work
EV Charger Circuits across the Front Range
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Guides on this topic
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