Dunman Electric

Tag: breaker

  • Resetting Your Circuit Breaker Safely

    Resetting Your Circuit Breaker Safely

    by Craig Dunman, Master Electrician

    What Is a Circuit Breaker?

    A circuit breaker is a safety device in your electrical panel that automatically shuts off power to a specific circuit when it detects an overload or fault. Think of it as a guardian of your home’s wiring. If a breaker trips, it’s doing its job—stopping electricity before it can cause overheating, damage, or even a fire.

    Circuit breakers replace older fuse systems and are now standard in modern homes. Each breaker is connected to specific areas or appliances in your home: kitchen outlets, air conditioners, lighting circuits, etc.

    How Does a Breaker Work?

    Breakers are designed with thermal and magnetic mechanisms that sense unsafe conditions:

    • Thermal Trip (Overload Protection): A bimetallic strip heats up and bends as current exceeds safe levels. This bending eventually trips the switch.
    • Magnetic Trip (Short Circuit Protection): A sudden surge, such as from a direct short, activates an internal electromagnet that instantly trips the breaker.

    Each breaker is rated for a certain amperage—commonly 15, 20, or 30 amps. Exceeding that number, even momentarily, will trip it.

    Why Do Breakers Trip?

    Some common reasons include:

    • Overloaded circuits – Too many devices on one circuit (e.g., space heater + microwave).
    • Short circuits – A hot wire touches a neutral or ground, causing a surge.
    • Ground faults – Similar to a short, but involves unintended contact with a ground path.
    • Worn-out breakers or wiring – Age, damage, or improper installation can cause nuisance trips.

    If a breaker trips once, it may just be a fluke. But if it happens again, there’s likely a deeper issue.

    How to Safely Reset a Tripped Breaker

    If your power goes out in one part of the house, follow these steps:

    1. Find your electrical panel. It’s usually in a garage, utility closet, or outside.
    2. Look for a breaker that’s in the “off” or middle position. A tripped breaker will often look slightly out of line with the others.
    3. Firmly switch it to the “off” position. Then back to “on.” You must do this in two distinct steps.
    4. Test your power. If it comes back on, you’ve successfully reset it.

    ⚠️ IMPORTANT: If the breaker trips again immediately, do not keep resetting it. You’re likely dealing with a more serious issue. ⚠️

    When to Call a Licensed Electrician

    Here’s when it’s best to leave it to the pros:

    • A breaker trips repeatedly, even after unplugging devices.
    • You smell burning or hear buzzing from the panel.
    • The panel is hot to the touch or shows corrosion.
    • Lights flicker or dim when major appliances start.
    • You don’t know what’s causing the trip, or just want peace of mind.

    Remember: Breakers trip for a reason. Continuously flipping them back on without fixing the root issue can be dangerous.

    Bonus Tip: Label Your Breakers

    Many homeowners don’t know which breaker controls what. Take time to label them clearly—this saves time during an outage and helps electricians work more efficiently when needed. This is also a service we offer here at Dunman Electric. Or you can read our article on how to label your panels on your own.

    Whether you’re dealing with a stubborn breaker, need panel upgrades, or just want a professional inspection, Dunman Electric has you covered. Our licensed electricians bring decades of experience, and we’re happy to help you learn how to keep your home safe and efficient.

    📞 Call us today or book online for prompt, reliable service.

    (512)280-8847 . becky@dunmanelectric.com . contact us

  • Essential Guide to Labeling Your Breaker Panel

    Essential Guide to Labeling Your Breaker Panel

    by Craig Dunman, Master Electrician

    Why Labeling Your Breaker Panel Is Important

    Your breaker panel is the command center for your home’s electrical system — but if the circuits aren’t labeled clearly, it becomes a guessing game.

    In an emergency, during repairs, or when installing new equipment, knowing exactly which breaker controls what can save time, prevent injury, and avoid damage to your appliances or wiring. A clearly labeled panel is one of the simplest ways to make your home safer and more manageable.

    Whether you’re a new homeowner or just never got around to organizing it, labeling your panel is something you can do yourself!

    What You’ll Need

    Before you begin, gather the following supplies:

    [] A second person (for faster and more accurate testing)
    [] Sticky notes or masking tape (for temporary labels)
    [] Permanent marker (fine tip works best)
    [] Notepad or printed circuit map
    [] Plug-in device (lamp or outlet tester)
    [] Phone or camera (to document your final layout)

    What Is a Circuit Map?

    A circuit map is a written list or diagram that shows which circuit breaker powers which part of your home. This may be printed on the panel door, written on paper, or created digitally. Other terms for a circuit map include “Panel Schedule” or “Circuit Breaker Directory”. A complete map should include:

    • The breaker number or position
    • A specific description (For example: “Kitchen – Island Outlets” or “Master Bedroom – Lights”)
    • Notations for special circuits like 240V appliances, smoke detectors, or outdoor outlets

    This map is your reference guide for resetting breakers, shutting off electricity fast in an emergency, and helping service professionals do their jobs quickly and correctly.

    Step-by-Step: How to Label Your Breaker Panel

    1. Start with Safety

    You will not be touching live wires, but you’ll be working inside the breaker panel. Stand on a dry surface, make sure your hands are dry, and only open the panel door — do not remove the metal cover or access the internal wiring.

    2. Turn Off One Breaker at a Time

    Have one person at the panel and the other inside the home. Flip a breaker off, then walk the home and check which lights, outlets, or appliances have lost power. Use a plug-in lamp or tester for quick verification.

    3. Record What You Find

    As each breaker is tested, write down everything it controls. Be as specific as possible — “Front Hall Light” is more useful than “Lights.”

    Use sticky notes or tape to temporarily label each breaker directly on the panel.

    4. Check Everywhere

    Don’t forget:

    • Closets, bathrooms, and hallways
    • Garage, attic, and crawlspaces
    • Exterior outlets and lighting
    • Dedicated appliances (A/C, dryer, oven, water heater)
    • Smoke and carbon monoxide detectors
    • GFCI and AFCI protected areas

    These may each be on their own circuits.

    5. Apply Permanent Labels

    Once every circuit has been identified, use your notes to create clean, permanent labels. Most electrical panels have a printed directory inside the door — fill this out legibly.

    Then, take a photo of the finished panel. Keep one copy in your home files and one on your phone.

    Tips from a Master Electrician

    • Use consistent language throughout the panel.
    • Be as specific as possible.
    • Group related areas (kitchen circuits together, bedrooms in sequence).
    • Update your labels any time changes are made.

    What If You’d Rather Have It Done Professionally?

    We get it! Not everyone wants to spend a weekend testing outlets and writing notes. At Dunman Electric, we offer full breaker panel labeling services.

    Here’s what we do:

    • Test every circuit in your home
    • Create accurate, specific labels
    • Provide a clean, printed and/or digital circuit map
    • Flag any outdated, overloaded, or unsafe conditions we find during the process

    Whether you’re moving in, upgrading your system, or just want things done right, we’re here to help.

    Call us today to schedule your breaker labeling service — or ask about bundling it with a full safety inspection or panel upgrade.

    (512)280-8847 . becky@dunmanelectric.com . contact us