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7 Common Electrical Problems and Their Fixes

16 Sep, 2025 / Electricians / Written by ServiceTasker Team / 16 Views / Last Updated 16 Sep, 2025

7 Common Electrical Problems and Their Fixes




Electrical issues are a first concern for homeowners, many of them arising from aging infrastructure, adverse weather conditions, or poor installations. Frequent power surges and breaker tripping, flickering lights, and non-working outlets are all common electrical problems that could prove to be physically dangerous and inconvenient to life. Knowing the causes with some first protocols can help circumvent bigger hazards, like electrical fires or damaged appliances. This blog will look into the popular electrical issues Canadians face and the best ways to deal with them. Whether you are a homeowner or renter, this guide will keep you informed and prepared.




Frequent Circuit Breaker Tripping



It is the most common electrical problem in Canada:



Cause:




  • Often when the circuit is overloaded with too many high-wattage appliances.

  • It may also come from a short circuit, a ground fault, or simply from a bad appliance drawing excessive current.



Signs:




  • Sudden power loss in that area of the house.

  • The breaker trips repeatedly and stays in the "off" position.

  • Burnt smell, buzzing sound, or scorch marks around the outlets.



Immediate Fix:




  • Unplug heavy-load appliances, such as the heater, microwave, and air conditioning, that are sharing the same circuit.

  • Reset the breaker by turning it off completely and then back on.



Long-Term Fix:




  • Don't overload the same circuit more than once.

  • Surge protectors or dedicated circuits for heavy appliances should be used.

  • If the problem keeps tripping off, get an authorized electrician to check further on the damages to the wiring, loose connections, or antiquated electrical panels.




Flickering Or Dimming Lights


Causes:


In Canadian homes, lights flickering or dimming is a very common electrical problem. There can be several reasons behind this, too:




  • Loose wiring connections 

  • Overloaded circuits, which create power fluctuations if a large number of devices and appliances are plugged into the same line 

  • Using a bulb of a kind that does not go with the particular fixture and dimmer, and so on. 



Testing loose connections is very dangerous, and it may result in an electrical fire if it remains untested. The degraded power supply is due to overloaded circuits when so many appliances or devices are plugged into a single line. In some other cases, perhaps an aged dimmer switch is incompatible with the newly bought LED bulbs, ensuring that flickering will go on.



Fix:



  • Tighten all the bulb fittings, and also make sure you are using bulbs compatible with your fixture and dimmer switch. This means getting rid of anything old and cheap and getting some good-quality LED bulbs instead. 

  • When the condition persists, then look for a licensed electrician. They will inspect the circuit, detect any faulty wiring, and rectify problems found either with code amendments or by making your electrical system safe. 




Dead Outlets Or Switches


Cause: 


This may be a tripped breaker, faulty wiring, or worn-out components.




  • Check the breaker panel: The most common reason outlets or switches fail is that breakers are tripped. Locate the electrical panel. Look and see if any breakers are in the "off" position or stuck in the middle. Set them fully off and then back on.

  • Check other outlets: Try plugging a device into the nearby outlets to check whether it is a single outlet problem or something bigger involving the circuit.



Look for signs of damage: Discoloured, burning smell, buzzing wires could mean internally damaged. 



Fix: 



  • Replace faulty components: Ask yourself if the outlet or switch is old or looks worn; if it is, the solution might just be to replace it.

  • Call a licensed electrician: If it still doesn't work, then the problem may be deep into the wiring or connection faults in the line. Get a professional to inspect and fix it before it becomes a threat to your safety.




Warm Or Discoloured Wall Outlets


Signs: A late warning sign of electrical trouble is unusual heating or discoloration of a wall outlet.



Causes: 



  • The common causes are overloaded circuits, loose connections, or aging and damaged wiring inside the wall.

  • Overheating occurs when too much current goes through an outlet that is not rated for such a load, risking melting or fire.

  • Discolorations manifest as brown or black marks, the result of the arcing or burning of insulation. 



Fixes: 



  • Once these signs appear, the first action to take would be not to use the outlet and to pull out any appliances connected to it.

  • No DIY fixes, the issue would be better left to a qualified electrician.

  • Have a professional check it to find out if the outlet or wiring inside needs to be replaced.

  • Try using extension cords minimally to avoid repeats, or avoid plugging multiple high-wattage devices into one outlet.



Safety tip: Consider installing arc fault circuit interrupters (AFCIs) for additional protection in living spaces.




High Electricity Bills



Cause: Inefficient appliances, phantom loads (standby power), or outdated wiring.



Fix: 




  • Use Energy-Efficient Appliances: Replace all those all-power-equipped appliances with a roomful of ENERGY STAR® models - less electricity usage, often better performance. 




  • Remove Phantom Loads: Many electronics consume power even when they are off! Unplug those chargers, TVs, and computers when they are not in use or hook them up to smart power strips that cut power to all standby modes.




  • Change Outdated Wiring: The older an electrical system is, the more inefficient and unsafe it might become. The electrician will inspect your home's wiring and suggest ways that make electricity distribution better and reduce energy.




  • Request a Home Energy Audit: Professional audits will point out energy losses through poor insulation, drafts, or inefficient systems in your home. Using this information, your improvements become targeted.




  • Use Smart thermostats and LED lighting: Smart thermostats map out optimal heating/cooling schedules; meanwhile, LED bulbs sip almost 80% less power than incandescents. 



Applying these methods can drastically curtail your monthly energy bill.




Buzzing Sounds From Outlets Or Panels


Cause: Loose connections or defective breakers.



Fix: 



  • Keep away from the faulty outlet and get it inspected, as this condition might lead to arcing or fire.

  • Unusual buzzing or humming from outlets, switches, or electric panels is never normal and should never be ignored. 

  • Sometimes, they are loose wire connections, overloaded circuits, or breakers gone bad. With these issues, electrical arcing can take place, presenting a real fire hazard, and must be addressed immediately.

  • If the buzzing comes out of the breaker panel, it might be a failed breaker that is not tripping when it ought to. Stop using the outlet or circuit right away to lessen the danger of being electrically shocked or catching fire.

  • Never do it yourself; only a licensed electrician should be called in to inspect and fix buzzing outlets or panels. Fix the problem immediately, or else, you'll have a house burned down and paid for by yourself; at the very least, keep it safe and handy-to-code.




Outdated Or Insufficient Wiring In Older Homes


Wiring issues in older homes are common. The old Canadian homes are equipped with wiring that is considered outdated or simply insufficient for the contemporary power needs of appliances and electronics. These may have systems like the knob-and-tube wiring or aluminum wiring, which today are not considered safe and efficient. Consequently, it may cause frequent breaker trips, dimming of lights, buzzing sounds, or simply fire hazards.



Cause: Increasing age of the electrical infrastructure that is no longer able to meet demands put on it in modern times, often together with a lack of grounding, or in some cases, cracked or deteriorated insulation.



Fix: 



  • Use the services of a reliable, experienced, and licensed electrician to inspect the property's entire electrical system. 

  • They'll point out weak areas and be able to rewire certain sections or the whole residence to replace those unsafe parts with copper wiring where grounding was previously nonexistent. 

  • This will upgrade the property to meet the new electrical code standards, allow it to bear very heavy loads on high-energy devices, and reduce the risk of fire. 

  • Although one can consider rewiring as an expenditure, in the end, rewiring helps to keep a family safe, increases home value, and saves money on energy efficiency.




Electrical Services And Energy Costs in Canada


Professional hourly wage of an electrician: $80–$130, depending on the location and the difficulty of the work.



Typical Call-Out Fee: $100 to $150, on average.



Home Electrical Inspection: $200 to $500, depending upon the size of the property.



Residential Electricity: Approximately 18 cents per kilowatt hour, different according to provinces.



Monthly bill: Well, an average household pays between $100 and $150 every month.



Household energy consumption: About 11,000 kWh every year.



Common Electrical Upgrades: This may include panel upgrades, wiring replacement, and home upgrades for EV chargers.



Government rebates: Available in most provinces for energy-efficient upgrades. 




When To Call A Professional Electrician


When these common electrical problems occur, call a licensed electrician:




  • Frequent Trips: An overloaded circuit or distribution fault must be inspected by an expert.


  • Buzzing or Burning Smell: Arcing, faulty wiring, or overheated components-unacceptable danger!


  • Warm or Discoloured Outlets: Hazardous fire risk from overloading and possibly faulty wiring.


  • Flickering or Dimming Lights: Could be loose connections or troubles in the panel.


  • Dead Outlet or Switch: Could be defined as a tripped breaker, faulty component, or wiring issue.


  • Aged and Outdated Wiring: Any house with knob and tube or aluminum wiring should be upgraded to current code.


  • Electrical Panel Problems: Any work that upgrades or repairs the service panel must be completed by a licensed electrician.


  • Renovations or New Installations: During remodel or addition, any electrical work must meet local code.


  • Adding High-Wattage Appliances: Major appliances such as EV chargers or HVAC require new circuits or load calculations.


  • No GFCI Outlets in Wet Areas: Absence of ground-fault circuit interrupters in bathrooms, kitchens, or outdoor areas creates a safety hazard.


  • Sparks or Shock from Devices: Electrical shock or sparking on plugging in demands immediate attention.


  • Power Drops Frequently in the House: The electrician may assess the load capacity. 



Always engage a licensed electrician since they will ensure that the work complies with the Canadian Electrical Code and the validity of your homeowner's insurance.




Benefits Of Professional Electrical Devices



  • Safety First: Licensed electricians reduce fire and shock occurrences.




  • Code Compliance: Ensures the work carried out is installed according to the law of the land.




  • Expert Troubleshooting: Proper problem identification and fixing.




  • Reliable Installations: Electrical installations should last and work efficiently.




  • Saves Time: Work is done faster compared to that done by DIYers.




  • Cost Effective: Stops expensive repairs from happening in the future.




  • Access to Tools: The use of specialized tools aims at precision.




  • Warranty Support: Some services are subject to guarantees.




  • Energy Efficiency: Advises on energy upgrades to save on energy costs.




  • Peace of Mind: With professionals in charge, you can be sure of having power that's safe and reliable.




Conclusion


Understanding typical electrical issues that occur within Canadian homes flickering lights, dead outlets, and sky-high electricity bills, serves as an enabler to prompt intervention by homeowners to avert safety hazards and high repair costs. Quick identification and professional repair maintain a safe and efficient electrical system. Early resolution of problems like old wiring or frequent breaker trips is safe; therefore, a worthy investment in electrical services and in preventing expensive damage or even hazardous scenarios in the future.




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