JJC Electrical Contractors is a licensed C-10 electrician serving Oakland, San Leandro, Alameda, Berkeley, and the greater East Bay. We specialize in electrical panel upgrades, 200 amp panel replacements, EV charger installation , Level 2), and residential electrical services. We also provide solar panel repair and troubleshooting (Enphase & SolarEdge), breaker box upgrades, subpanel installation, and whole house surge protection. Our team works directly with PG&E for service upgrades and permits. If you need a reliable electrician in Oakland for panel upgrades, EV charger installation, or electrical repair, JJC Electrical Contractors provides fast, professional, and code-compliant service.