- We fix things around your house so you don’t have to.
Electrical panel and circuit work is hazardous and requires a licensed electrician in most jurisdictions, including Northern Virginia. Working inside an electrical panel without proper training can cause serious injury, fire, or death. This article is provided for educational awareness only — not as a DIY guide. Virginia law and local building codes require permits and licensed professionals for panel work, breaker installations, and most circuit modifications. If you suspect a problem with your electrical panel, contact a licensed electrician immediately.
If you’ve ever opened your electrical panel out of curiosity — or seen a friend tackle “just one breaker” — it’s worth understanding why panel wiring is one of the few jobs where DIY almost always costs more than hiring a professional. This guide is for homeowners who want to recognize when panel work is needed, what to expect from a licensed electrician, and how to avoid the most common (and most expensive) mistakes.
Any one of these is enough to call a professional. Two or more is urgent.
Northern Virginia jurisdictions — Arlington, Fairfax, Loudoun, Prince William, Alexandria, and Falls Church — all require an electrical permit for panel replacements, panel upgrades, new circuit installations, and most work that involves opening the panel cover. The permit isn’t bureaucratic overhead. It’s three things working together:
SparkWise Electric pulls every required permit, schedules the inspection, and provides you with the final inspection record. You don’t deal with the county directly.
Panel upgrade (100A → 200A): Required when adding EV chargers, heat pumps, electric water heaters, induction ranges, or finishing a basement with HVAC. Older 100A panels usually can’t safely support modern loads.
Panel replacement (same amperage): Required when your existing panel is a known-problem brand (Federal Pacific, Zinsco, Challenger), is rusted/corroded, has a failing main breaker, or has been opened so many times the bus stabs are damaged.
Dedicated circuit installation: Required for EV chargers, hot tubs, workshop equipment, sub-panels, and any high-draw appliance that shouldn’t share a circuit. Code requires dedicated circuits for HVAC condensers, electric ranges, dryers, and bathroom outlets.
Whole-home rewiring: Required for older homes with knob-and-tube, cloth-insulated wire, or aluminum branch wiring. Most pre-1965 homes in Northern Virginia have at least one of these.
SparkWise Electric is a licensed and insured electrical contractor serving Northern Virginia. We handle panel upgrades, panel replacements, circuit installations, lighting, EV charger wiring, and all residential and commercial electrical work — fully permitted and inspected. Request your free estimate today or call (703) 915-5351.
