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Circuit Breakers

The Role of Circuit Breakers in Home Safety

By Frank Luersen • July 10, 2024 • 6 min read

Electricity plays an essential role in our daily lives. Since scientists discovered the uses of electricity, society has found more ways to use it to make life more convenient. Over the last few decades, our reliance on electricity has grown exponentially. We use electricity to power household appliances and smart devices and do much more.

With so much reliance on electricity, it’s important our household electrical systems can handle the increasing electrical demands. If a system is overloaded, the electrical current can spark a fire and cause severe property damage, injuries or even fatalities. Circuit breakers maintain household electrical safety and help us avoid these dangers.

Knowing the role circuit breakers play in household electrical safety is something every person in Coachella Valley should know. We’ll review the basics of circuit breakers, how they work, how they keep your home safe, and how to keep your home’s electricity working safely as our dependence on electricity continues to grow.

What Is a Circuit Breaker?

A circuit breaker is a switch in your home’s main electrical panel that automatically stops electrical current when the circuit gets overloaded, short circuits, or experiences a ground fault. It’s an electrical safety device that shuts off or “trips” when it detects a problem.

Circuit breakers have replaced fuses in most households. In older homes, fuses would burst when they became overloaded. They stopped the electrical current, but then the fuse would be damaged and irreparable. Circuit breakers work better at stopping electrical current because they turn off like a switch and don’t require replacement after tripping.

Check out these common reasons for tripped breakers:

  • Arc faults
  • Damaged circuit breaker
  • Ground faults
  • Faulty wiring
  • Loose electrical connections
  • Outdated wiring
  • Overloading
  • Short circuits
  • Tripped GFCI (shock prevention) outlets

The problems mentioned above require the expertise of a licensed electrician to diagnose the issue and make safe repairs. Trying to fix an electrical problem alone, with no electrical training, can cause serious injury and damage to your electrical system and its components.

Types of Circuit Breakers

If you open your home’s main electrical panel, you might think all the circuit breakers look the same. While they appear similar, some have different responsibilities. Here’s an overview of the five types of circuit breakers you might have in your home.

1. Thermal Magnetic Circuit Breakers

These circuit breaks contain a bimetallic strip and an electromagnet. When a circuit overloads, the strip heats up, bends, and breaks the circuit. If it’s a short circuit, the electromagnet’s pull amplifies and triggers the breaker, shutting it off.

2. Magnetic Circuit Breakers

Magnetic circuit breakers rely only on electromagnetism. As the electrical current gets stronger, the magnetic force grows stronger. When the current reaches its maximum strength, the switch flips, and the circuit breaks.

3. Ground Fault Circuit Interrupters (GFCIs)

GFCIs’ main purpose is to protect people from electrical shocks. They monitor incoming and outgoing currents, making sure they’re balanced. If an imbalance is detected, the GFCI assumes electricity has escaped the intended circuit, and the breaker turns off.

4. AFCI (Fire Prevention) Breakers

An electrical arc creates a serious fire risk. An arc occurs when there is a break in the electrical current and electricity has to jump from one point to another, which creates sparking and potential fires. Frayed wires and other wire damage can cause dangerous arc faults.

5. Hydraulic Magnetic Circuit Breakers

These circuit breakers manage short circuits and overcurrents. They rely on a hydraulic time delay along with a magnetic actuator.

Not every household has every circuit breaker mentioned above. For example, GFCI circuit breakers weren’t required in newly built homes before 1971. AFCI outlets weren’t required until 1999. So, if you have a house built before these years, you might not automatically have this protection.

How Circuit Breakers Keep Your Home Safer

Electrical fires affect nearly 34,000 homes and businesses annually, according to the National Fire Protection Association. Electrical failure or malfunction causes nearly 75% of these fires. While those statistics seem daunting, the good news is that you can prevent most electrical fires.

That’s where circuit breakers come into play. These small devices inside your home’s main electrical panel protect the electrical system when the potential for overheating occurs because of broken equipment, faulty wiring, or overloaded circuits. Once the circuit detects unusual electrical current activity, the power to the circuit is cut immediately, preventing an electrical fire and keeping you safe.

Circuit breakers also keep members of your household safe by protecting against ground faults. Faulty wiring, damaged appliances, and worn wires can cause ground faults, but the most common reason for these faults is water leakage.

Water conducts electricity. If water gets into electrical boxes, an unplanned current can occur, resulting in a ground fault. Ground faults can cause electrical shock and electrocution. The most common places where ground faults occur are the kitchen and bathroom. However, ground faults can occur in outdoor outlets, garages, and basements. Anywhere there’s potential for moisture, there’s potential for a ground fault.

How to Improve Circuit Breaker Safety

Safeguarding your home’s electrical infrastructure is crucial. You can improve circuit breaker safety by:

  • Scheduling regular inspections
  • Making sure electrical loads are sufficient
  • Using surge protection
  • Choosing professional installation vs. DIY

Another way to improve electrical safety is to avoid excessive extension cord usage. If you rely on extension cords to provide additional power for appliances and other devices in your home, you need more circuits. Extension cords don’t add more power. Instead, they place excess strain on existing circuits, drawing more power than the circuit can handle. You can improve circuit breaker safety by consulting with an electrician to determine if your home needs more circuits to support your household’s electrical needs.

Schedule an Electrical Inspection

You want to catch problems early before they turn into serious and potentially damaging situations. At Home Team Electric, we help homeowners get the most out of their electrical systems without compromising safety. Whether you require new circuit breakers, upgraded wiring, protection against power surges, or any other electrical services, we’ll make sure your home’s electrical system operates safely and exceeds your expectations.

Our family-owned business provides certified electrical installations. We have an A+ rating with the Better Business Bureau and are Ygrene- and Green Screen-certified. Homeowners count on us for 24/7 service, quality workmanship, and 100% satisfaction. All our electricians have passed detailed background tests and undergo regular drug testing. When you work with Home Team Electric, you can rest easy knowing your electrical system is in expert hands. Your household’s safety matters to us as much as it does to you.

If you have circuit breaker problems, don’t wait for them to go away. They won’t. Call Home Team Electric today for professional electrical repair services in the Coachella Valley.

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Written By

Frank Luersen, leadership

Frank Luersen

leadership

There's a running tradition inside Home Team Electric called Frank Pranks, and it says everything about the kind of culture Frank built. Ask anyone on the team about it and they'll grin before they finish explaining it. Someone sets it up, he walks right into it, the room erupts, and whether he actually sees it coming is still an ongoing debate. Frank could settle it anytime. He hasn't.

California C-10 Electrical Contractor License #879507. Verify it at cslb.ca.gov.

Published July 10, 2024

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Questions Homeowners Actually Ask

The questions homeowners across the Coachella Valley and Morongo Basin actually ask us, answered the way we answer them in person: plainly, with the reasoning behind every recommendation, so you can decide what fits your home.

How Does Living in This Desert Change the Way You Evaluate a Home’s Electrical System?

It changes the evaluation from the start. Coachella Valley summers regularly climb past 115 degrees, and Morongo Basin day-to-night swings can exceed 40 degrees, cycling expansion and contraction through every connection. So symptoms get read against the home's age, construction era, and load history, not just the breaker that tripped.

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Two guarantees with proof behind them. The 100% Satisfaction Guarantee means if the work does not meet your expectations, we make it right. The Lifetime Workmanship Guarantee means we fix workmanship failures at no charge, and the coverage stays with the home if you sell it. Behind both: California C-10 Electrical Contractor License #879507 and a $1,000,000 per-occurrence liability policy.

Why Does Home Team Electric Only Work on Residential Homes?

Because residential electrical work is a specialty, not a side category. Most contractors split time between construction, commercial buildings, and residential calls. Home Team Electric chose one focus in 2006: the electrical systems inside homes across the Coachella Valley and Morongo Basin. Decades inside thousands of desert homes builds pattern recognition no generalist schedule can produce.

Who Is Home Team Electric, and Who Will Actually Be in My Home?

Home Team Electric is a residential-only electrical contractor serving the Coachella Valley and Morongo Basin since 2006. The person at your door is a Home Team Electric electrician: drug tested, background checked, and professionally trained, with weekly ongoing training. The company has completed more than 25,000 residential projects, with a 4.9 Google rating and 16,000+ homeowners served.

Do I Need GFCI (Shock Prevention) Protection by the Pool and Spa?

Yes. Code requires GFCI (shock prevention) protection for pool and spa equipment, nearby receptacles, and underwater lighting, and the requirement exists because water and electricity meet here on purpose. Many desert pools predate today's requirements and run unprotected. If you do not know whether yours is protected, that is exactly what the evaluation answers.

When Does an Older Desert Home Need Rewiring?

Rewiring is warranted when the wiring itself, not just a device, has aged past safety: brittle or damaged insulation, ungrounded two-wire circuits, aluminum branch wiring, or repeated faults across different circuits. Desert attics bake wiring insulation for decades. An evaluation maps which circuits actually need work, because most older homes need targeted rewiring, not a whole-home gut.

What Does Whole-Home Surge Protection Actually Protect?

A whole-home surge protector at the panel clamps voltage spikes before they reach your circuits, protecting everything plugged in: AC systems, appliances, EV chargers, and electronics. In the desert, monsoon lightning, grid switching, and your own large motors all generate surges. Plug strips alone protect single devices. The panel unit protects the home.

Why Do My Lights Flicker When the AC Kicks On?

A brief dim when a large motor starts can be normal, because compressors pull a surge of current on startup. Regular, noticeable flickering across multiple rooms is not. It usually means the panel or service is near its limit, or a connection has loosened under desert heat. The pattern decides which, and the pattern is worth reading professionally.

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