Licensed Electrical Contractors in GTA, Ontario are the only businesses with certain impunity and are legally authorized to do electrical work. All Licensed Electrical Contractors:    carry liability insurance  have Workplace Safety and Insurance Board coverage understand that they must arrange for an electrical notification to ESA are qualified to perform electrical work to meet the Ontario Electrical Safety Code can show an ECRA/ESA licence number.   Always ask for an ECRA/ESA licence number to make sure you’re choosing a certified electrical contractor in GTA. Check the status of the person working in your home or find a Licensed Electrical Contractor in GTA at. https://findacontractor.esasafe.com/