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EV Charging Guide

5 Things to Know Before Your Home EV Charger Installation

Get your home ready for electric driving. Discover the key steps for a safe EV charger setup, from panel checks to choosing between plug-in and hardwired units.

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Bringing home an electric vehicle is an exciting milestone, but relying on public charging stations quickly becomes inconvenient. Installing a dedicated Level 2 home EV charger allows you to charge overnight at a fraction of the cost.

As a premier Qmerit™ Certified Solutions Partner and certified Tesla® installer, Consumer Services Electric outlines five critical considerations before you install an EV charger.

1. Not all charging speeds are created equal

Comparing Level 1 trickle charging with dedicated Level 2 performance.

A standard Level 1 charger plugs into a regular 120-volt household outlet, adding only 3 to 5 miles of driving range per hour of charging. For modern EVs with large battery packs, a full charge can take 30 to 40 hours.

A dedicated 240-volt Level 2 charging station delivers 25 to 44 miles of range per hour, fully recharging your vehicle overnight in 4 to 8 hours.

Key Highlights & Capabilities

  • Level 1 (120V / 12A): 3–5 miles of range per hour of charging
  • Level 2 Plug-in (240V / 40A on 50A breaker): 25–30 miles of range per hour
  • Level 2 Hardwired (240V / 48A on 60A breaker): 35–44 miles of range per hour
  • Hardwired connections deliver faster charging with fewer potential points of failure

2. Your electrical panel determines your capacity

Performing thorough electrical load calculations before installation.

Adding a continuous 40A to 60A electrical load requires sufficient spare capacity in your main breaker box. If your home has an older 100-amp service panel already powering an electric dryer, range, and AC unit, adding an EV charger may require an electrical panel upgrade or a smart load management device like SPAN®.

Our licensed electricians perform comprehensive load calculations to determine whether your panel can support the new circuit safely.

Service Standards & Guarantees

  • 200-amp service panels generally accommodate Level 2 charging without upgrades
  • 100-amp panels frequently require service capacity upgrades or smart load management
  • Municipal permits are legally required for all EV charging circuit installations
  • DTE Energy provides rebates for qualifying Level 2 EV charging equipment

Frequently Asked Questions

Qmerit certification confirms that the contractor has completed rigorous EV-specific safety training, holds appropriate state licensing and insurance, and adheres to strict certified electrical installation standards.

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