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GuideThe electrical panel is the heart of your home's power — and one of the most misunderstood parts of the house. Understanding how it works helps you handle a tripped breaker, know when you're pushing your home's limits, and recognize the warning signs that need an electrician. Here's the panel, explained simply and safely.
Your electrical panel (breaker box) takes the power coming into your home and distributes it to circuits that serve different areas and appliances. Each circuit is protected by a breaker — a safety switch that cuts power if the circuit draws too much current, preventing overheating and fire. The panel is, above all, a safety device.
Each breaker controls a circuit serving certain outlets, lights or a specific appliance (the stove and dryer get their own high-capacity circuits). When a breaker 'trips,' it has sensed too much current and shut that circuit off to protect it. Knowing which breaker controls what — a labelled panel — makes life much easier when you need to cut power to one area.
A breaker trips for three main reasons: overload (too many devices drawing power on one circuit), a short circuit (a fault where wires touch), or a ground fault. An occasional trip from overload is normal — unplug something and reset it. But a breaker that trips repeatedly, especially immediately after resetting, signals a real fault that needs a licensed electrician, not just repeated resetting.
Your home's service has a total capacity, measured in amps (older homes often 60–100A, newer ones 200A). Everything you run draws from this total. Adding big loads — an EV charger, hot tub, home addition, electric heat — can push an older panel past its safe capacity, which is why these often require a load assessment and sometimes a panel upgrade. You can't safely keep adding load to a panel that's full.
Take these seriously: breakers that trip repeatedly, a warm or discoloured panel, a burning smell, buzzing or crackling, flickering lights across the home, or scorch marks. Any of these means stop and get a licensed electrician — electrical faults are a fire risk, and the panel is not a place for DIY troubleshooting beyond resetting a breaker.
Resetting an occasional tripped breaker is fine. Everything else at the panel — repeated trips, adding circuits, a panel upgrade, an EV charger, or any warning sign — is licensed-electrician work, often with a permit. On Genie, electrical work routes to licensed, insured electricians who assess capacity and handle permits, with scope and price captured before work starts.
Every task in this guide is something you can book on Genie — vetted, insured pros at an upfront price:
A breaker trips to protect a circuit from overload, a short circuit or a ground fault. An occasional overload trip is normal (unplug something and reset), but repeated trips — especially right after resetting — signal a real fault that needs a licensed electrician.
It's your home's total electrical capacity — older homes are often 60–100A, newer ones 200A. Adding big loads like an EV charger or electric heat can exceed an older panel's capacity, requiring a load assessment and sometimes an upgrade.
No — adding circuits, upgrading the panel, or installing high-load equipment is licensed-electrician work, usually with a permit. It's about fire safety and code. An electrician assesses capacity and handles it properly.
