Q: Should I replace aluminum wiring in my home?

Professional residential electricians can inspect and safely remediate older aluminum wiring to ensure your home remains safe and compliant with code.

Question 1

Is aluminum wiring legal in Toronto and the GTA?

Accepted Answer

Yes, aluminum wiring is legal in Toronto and the GTA when installed correctly. It is safe if proper connections are made using approved devices and according to the Ontario Electrical Safety Code (OESC).

Question 2

When was aluminum wiring used in homes?

Accepted Answer

Aluminum wiring was widely installed in homes between approximately 1965 and 1975. Many older homes across Toronto & GTA may still have aluminum wiring

Question 3

Why was aluminum wiring used?

Accepted Answer

Aluminum was a cheaper alternative to copper during the 1960s due to copper shortages and high prices. It allowed builders to wire homes affordably, especially during the Vietnam War era.

Question 4

Why is aluminum wiring a concern?

Accepted Answer

Aluminum expands and contracts more than copper, which can cause loose connections, overheating, and fire hazards with older devices. Homes with outdated aluminum wiring may require professional inspection, repairs, or upgrades to meet safety and insurance standards.

Question 5

Can you sell a home with aluminum wiring in Toronto and the GTA?

Accepted Answer

You can sell a home with aluminum wiring, but most insurers will either require upgrades (like pigtailing with copper) or limit coverage. Proper inspection and certified repairs ensure safety and compliance.

Question 6

Is aluminum wiring still used today?

Accepted Answer

Aluminum is still used for large service feeders and main electrical cables, but it’s generally not used for standard branch circuits in modern homes.

Question 7

Should I replace aluminum wiring in my home?

Accepted Answer

Professional residential electricians can inspect and safely remediate older aluminum wiring to ensure your home remains safe and compliant with code.

Question 8

Is pigtailing aluminum wiring safe?

Accepted Answer

Yes — when done by a licensed electrician using approved aluminum-to-copper connectors, such as AlumiConn or Copalum, pigtailing is a recognized, safe repair method. The work should be reviewed and accepted by ESA, and many insurers accept properly repaired aluminum wiring depending on their requirements.

Question 9

How much does it cost to pigtail aluminum wiring?

Accepted Answer

Pigtailing is priced per connection point — each outlet, switch, and fixture — so the total cost depends on the size of your home. Ontime Electric provides a written, upfront quote after assessing your home, and the completed electrical work includes the required ESA notification and Certificate of Acceptance.

Question 10

Will insurance cover a house with aluminum wiring in Ontario?

Accepted Answer

Some insurers require aluminum wiring to be professionally repaired, pigtailed, or replaced before issuing or renewing a policy. They may also require an ESA Certificate of Acceptance. Ontime Electric provides you with the ESA Certificate of Acceptance for the completed work.

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