Travis Electric

EV Charger Installation

EV (Electric Vehicle) charger installation involves setting up a dedicated electrical system to charge electric vehicles at home, workplaces, or public facilities. This installation ensures safe, efficient, and code-compliant charging for EVs.

Types of EV Chargers:

  1. Level 1 (120V):
    • Uses a standard household outlet
    • Slow charging (adds 3–5 miles per hour)
    • Typically doesn’t require special installation
  2. Level 2 (240V):
    • Requires a dedicated 240V circuit
    • Faster charging (adds 20–60+ miles per hour)
    • Most common for home and commercial installation
  3. Level 3 (DC Fast Charging):
    • Very high-speed charging (adds 60–100+ miles in 20–30 minutes)
    • Requires commercial-grade electrical infrastructure
    • Not used in residential settings

EV Charger Installation Process:

  1. Site Assessment:
    • Evaluate where the EV charger will be installed (garage, driveway, wall-mounted, pedestal, etc.)
    • Check distance from the electrical panel
    • Assess available electrical capacity (load calculation)
  2. Panel Evaluation and Upgrades (if needed):
    • Ensure the main panel can handle the additional load
    • Upgrade the panel if required (e.g., from 100A to 200A service)
  3. Installing a Dedicated Circuit:
    • Install a new breaker in the panel for the EV charger
    • Use proper wiring and conduit (based on amperage and distance)
    • Typical chargers require 30–60 amp circuits
  4. Mounting the Charger:
    • Wall-mount or pedestal-mount the charging unit according to the manufacturer’s instructions
    • Ensure protection from weather if installed outdoors (NEMA 3R or better enclosure)
  5. Wiring and Connection:
    • Run and connect wiring from the panel to the charger
    • Use proper cable gauge and breaker size (based on the charger’s specs)
  6. Permits and Inspections:
    • Obtain any required local permits
    • Installation must comply with the National Electrical Code (NEC), especially Article 625
    • Schedule inspection by the local authority having jurisdiction (AHJ)
  7. Testing and Commissioning:
    • Power on and test the charger
    • Ensure it communicates properly with the vehicle
    • Test ground fault protection (required for all EVSE)

Why Professional Installation Matters:

  • Prevents overloading, fire hazards, or improper wiring
  • Ensures code compliance and warranty protection
  • Allows for future upgrades (e.g., dual charging or smart integration)