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How to Troubleshoot Common Electrical Problems at Home

Understanding how to troubleshoot common electrical problems at home is essential for maintaining a safe and functional living environment.

Electrical issues are frustrating and can be dangerous if not addressed properly. Understanding how to troubleshoot common electrical problems at home is essential for maintaining a safe and functional living environment. While some issues may require the expertise of a local electrician, many can be diagnosed and resolved with a bit of knowledge and caution.

Flickering Lights

This problem is a common one that can be caused by several factors. If lights flicker only when a particular appliance is in use, it may indicate that the appliance is consuming too much power, causing a voltage drop. In this case, consider relocating the appliance to a different circuit or consulting a local electrician to evaluate the circuit’s capacity.

Another possible cause of flickering lights is a loose bulb or fixture. Tighten the bulb or check the connections in the light fixture to confirm they are secure. If the problem persists across multiple fixtures, there may be a more significant issue with the wiring, requiring professional inspection.

Tripped Circuit Breakers

This feature is for safety and is designed to prevent electrical overloads and potential fires. When a circuit breaker trips, it halts power to the affected circuit. To troubleshoot, first identify the circuit that has tripped by checking the breaker panel for a switch that is in the “off” position or partially flipped.

Reset the breaker by turning it fully off and then back on. If the breaker trips again immediately, it may be the result of a short circuit or an overloaded circuit. Unplug devices on that circuit and reset the breaker again. If the problem continues, it is advisable to contact a local electrician to inspect the wiring and circuit capacity.

Dead Outlets

Dead outlets can be a nuisance, especially if they affect essential appliances or electronics. The first step in troubleshooting a dead outlet is to check if the outlet is controlled by a wall switch. If so, confirm the switch is in the “on” position.

If the outlet is not switch-controlled, the next step is to check for a tripped GFCI (Ground Fault Circuit Interrupter) outlet, which is most often found in kitchens, bathrooms, and outdoor areas. GFCI outlets have reset buttons that trip to prevent electrical shocks. Press the reset switch on the GFCI outlet to restore power.

If the outlet remains dead, inspect the breaker panel for any tripped breakers. If all breakers are in the correct position and the outlet still does not work, the problem may be with the wiring or the outlet itself, requiring the assistance of a local electrician.

Frequent Bulb Burnouts

Bulbs that burn out frequently may be the result of several issues, including incorrect wattage, poor insulation, or electrical surges. First, confirm that the correct wattage bulb is being used for the fixture. Using a bulb with more wattage than recommended can cause overheating and shorten the bulb’s lifespan.

Check the insulation around the light fixture. Poor insulation can lead to overheating, which also shortens bulb life. In some cases, the issue may be related to electrical surges, particularly if bulbs throughout the home are burning out quickly. A local electrician can install surge protection devices to prevent damage from electrical spikes.

Dimming or Overbright Lights

Dimming or overbright lights can indicate issues with the electrical circuit or the power supply. If certain lights are dimming while others are overly bright, it could be a sign of a poor neutral connection in the electrical panel. This issue can create an imbalance in voltage distribution, leading to inconsistent lighting levels.

Addressing this problem requires inspecting the connections in the breaker panel, which should be done by a qualified local electrician due to the potential hazards involved. Properly addressing the issue can restore consistent lighting and stop potential damage to the electrical system.

Buzzing or Humming Sounds

Buzzing or humming sounds from electrical outlets, switches, or fixtures are signs that something may be wrong. These sounds often indicate loose wiring, overloaded circuits, or faulty devices.

Start by identifying the source of the sound. If it is coming from an outlet or switch, switch off the power to that circuit at the breaker panel and inspect the wiring for loose connections. If the sound is coming from a fixture, check for loose bulbs or faulty components.

In cases where the buzzing persists, it is crucial to have a local electrician inspect the electrical system to prevent potential safety hazards.

Electrical Shocks

Receiving an electrical shock when touching an appliance or outlet is a serious issue that requires immediate attention. Electrical shocks can happen because of faulty wiring, damaged appliances, or ungrounded outlets.

First, unplug the appliance and avoid using it until it has been inspected by a professional. If the shock occurs when touching an outlet, turn off the power at the breaker panel and check the outlet for loose or damaged wiring.

Since electrical shocks can indicate a more severe problem with the home’s electrical system, contacting a local electrician for a thorough inspection and repair is recommended.

Troubleshooting common electrical problems at home can help prevent minor issues from becoming major hazards. While some problems can be resolved with basic knowledge, others require the expertise of a local electrician to guarantee safety and proper function. Regular inspection and routine maintenance of the home’s electrical system can also help identify potential issues before they lead to more significant problems. By staying vigilant and seeking professional help when needed, homeowners can maintain a safe and reliable electrical system.


If you need a highly-reviewed, licensed electrician in the Phoenix Valley area, call Efficient Electric at 623-810-9905. We would love to hear from you!