Contact ESA's Customer Service Centre at 1-877-372-7233 from 7:00 a.m. — 4:30 p.m. (Monday through Friday) or by email esa.cambridge@electricalsafety.on.ca.
If you have a technical (electrical code) question, please refer to our Electrical Code FAQs.
Media Inquiries
For additional information or to arrange an interview with an ESA spokesperson.
Electrical Safety Authority
155 Matheson Blvd. West
Mississauga, ON L5R 3L5
Email: media.esa@electricalsafety.on.ca
Phone: 1-800-498-4600 or 1-905-712-7819
Contractor & Master Electrician Licensing
Information about the licensing of electrical contractors and Master Electricians.
400 Sheldon Drive, Unit 1
Cambridge ON, N1T 2H9
Email: ESA.Licensing@electricalsafety.on.ca
Phone: (877) ESA-SAFE (372-7233)
Fax: (888) 251-7377
Electrical Plan Review
ESA Plan Review
400 Sheldon Drive, Unit 1, Cambridge ON, N1T 2H9
Hours of Operation: 8:00 am to 3:30 pm
Email: plan.review@electricalsafety.on.ca
Phone: 1-519-624-3564
Safety & Technical Training Inquiries
ESA Training Solutions
400 Sheldon Drive, Unit 1, Cambridge ON, N1T 2H9
Email: training.contactus@electricalsafety.on.ca
Phone: (877) ESA-SAFE (372-7233), choose option 6 when prompted
Fax: 1-519-620-4566
General Inquiry
You can contact ESA's Customer Service Centre at 1-877-ESA-SAFE (372-7233) from 7:00 a.m. - 4:30 p.m. (Monday through Friday).
Change to Customer Service hours on December 7:
Customer Service Centre phone lines will only be open from noon – 4:30 p.m. on Thursday, December 7 due to an annual staff meeting and training in the morning.
The after-hours service line 1-877-ESA-SAFE is available for emergencies only.