Can I Add a Subpanel Myself? In Ontario, adding a subpanel is regulated electrical work that requires an ESA permit and must be performed by a Licensed Electrical Contractor. A homeowner cannot legally install a subpanel on their own property in Ontario — even as the property owner. The work involves working inside the main […]
Can a Handyman Legally Do Electrical Work? In Ontario, a handyman — no matter how experienced — cannot legally perform electrical work that requires an ESA permit unless they hold a valid electrical contractor licence issued by the Electrical Safety Authority. Handyman services are not a recognized category for regulated electrical work in Ontario. The […]
Can a Breaker Go Bad Without Tripping? Yes. A breaker can fail in ways that do not involve tripping. In fact, a breaker that fails without tripping is more dangerous than one that trips and shuts off the circuit, because the circuit stays energized while providing no overcurrent protection. Understanding the failure modes of a […]
Are DIY Electrical Repairs Illegal? Ontario has specific rules about what electrical work homeowners can do themselves and what requires a licensed electrician with an Electrical Safety Authority (ESA) permit. The short answer is that most significant electrical work is regulated — but there are limited tasks homeowners may legally perform on their own property. […]
What Is the Difference Between Series and Parallel Wiring? Series and parallel are the two fundamental ways to connect electrical components in a circuit. Understanding the difference matters whether you are troubleshooting a string of lights, evaluating a circuit design, or simply trying to understand how your home’s wiring works. Most residential wiring uses parallel […]
How to Wire a Generator Interlock Kit A generator interlock kit is a mechanical device that attaches to your main breaker panel and physically prevents the main breaker and the generator inlet breaker from being on at the same time. This prevents back-feeding power onto the utility lines, which is dangerous to utility workers and […]
How to Use a Fish Tape for Wiring A fish tape is a long, flexible metal or fiberglass ribbon wound on a reel, used to pull electrical cables through walls, conduits, and ceiling spaces. It is one of the most essential tools for running wire without tearing open finished walls. Using a fish tape effectively […]
How to Tell If a Capacitor Is Bad on a Motor Capacitors are used in single-phase AC motors to provide the phase shift needed to start and run the motor. When a capacitor fails, the motor either will not start at all, starts slowly, hums, or trips its thermal overload. Testing a capacitor is a […]
How to Replace a Bathroom Exhaust Fan Motor Without Changing the Housing When a bathroom exhaust fan makes a loud grinding noise or stops moving air, the motor is often the only component that needs replacement. In many cases you can swap out just the motor and blower wheel while keeping the existing housing in […]
How to Properly Torque Electrical Lugs Electrical lugs are the large screw-style connectors used to terminate heavy cables in panels, meters, and equipment. Under-torqued lugs cause loose connections that heat up and eventually fail. Over-torqued lugs can crack the conductor or damage the lug itself. Proper torque is one of the most important steps in […]