A standard wall outlet adds roughly 3 to 4 miles of range an hour. A Level 2 charger adds 25 to 40. That difference is why almost every EV owner ends up calling for EV charger installation within the first few months.
Hardwired or plug-in?
A NEMA 14-50 outlet is cheaper up front and lets you unplug and take the unit if you move. A hardwired connector supports higher continuous current (up to 48A on a 60A circuit), looks cleaner, and is required outdoors in some setups. For most Maryland garages either is fine.
Can your panel take it?
A 48A charger needs a 60A breaker and real headroom. We run a load calculation before quoting. If your house is on 100 amp service with electric heat, you may need a panel upgrade first, or a load management device that pauses charging when the dryer and oven are running - often the cheaper route.
What it costs in Maryland
- Charger on a wall next to the panel: $700 to $1,100
- Typical garage run, 30 to 60 feet: $1,100 to $1,800
- Detached garage or driveway pedestal with trenching: $2,000 to $4,000+
- Panel upgrade first, if needed: add $2,200 to $4,500
Tesla and everything else
Tesla Wall Connectors, ChargePoint, Emporia, Wallbox, Grizzl-E and JuiceBox all install the same way from our side - the differences are mounting, commissioning and whether the unit wants Wi-Fi. We set up the app before we leave.
Where to put it
Mount so the cable reaches the car's port without stretching across a walkway, at roughly chest height, and think about a second car before you commit to a wall. Outdoors, use a rated enclosure and keep the unit out of direct spray.
Book in your city: electrician in Rockville, electrician in Columbia, electrician in Bethesda - or call (888) 592-6466.