Aluminum branch-circuit wiring

Identify aluminum wiring, terminations and alterations before changing receptacles, switches or fixtures.

VERT / GREEN = documenter · JAUNE / YELLOW = vérifier · ROUGE / RED = arrêter/faire valider.

Hot/discoloured/loose connection
Stop using the circuit and have an authorized electrician inspect. Device not identified for aluminum
Do not improvise copper/aluminum connections. 1960s-1970s home, wiring unknown
Confirm wiring material and condition before electrical renovation. Inspection/insurance record available
Keep photos, certificates and repaired locations.

What the professional checks

Inspect connections, devices and overheating
Confirm approved method for the jurisdiction

Official sources

ESA Ontario — câblage aluminium

Checked: 2026-08-22

Explore: Remaining system checks not to miss

Remaining system checks not to miss

This section covers issues that can block a project, cause a loss or become expensive once concealed.

Before closing wallsOld electrical systemPost-renovation commissioningCodes + climate by province

Explore: Commissioning and everyday safety

Commissioning and everyday safety

This section helps verify systems after work and document the values that make a home safer to operate.

Electrical panel: circuit directory and mapping