Shut off power at the panel under safe conditions

Never touch a panel with wet hands or while standing on a damp floor.

Prepared by RenoAtlas.ca · Last checked: 2026-08-01 · editorial method

Conceptual diagram — actual details depend on the home, product and local requirements.

What you will know after this guide

If water, smoke, heat, arcing sounds or burning odour are present, do not touch the panel; evacuate and call the appropriate services.

Use only accessible handles with the cover closed; never remove the cover.

Have the cause corrected before resetting a breaker that trips again.