What should I record before requesting service for lights?
Record the exact symptom, timing, affected areas, model or component identity, recent changes, safe observations, photos, and any displayed code.
What this means
Lights covers flicker, dimming, bulbs, fixtures, and multiple-room symptoms. Relevant observations include Lights flicker in one room, Lights dim when appliance starts, New bulb does not work, Several rooms lost lights, Light fixture smells burnt. The correct response depends on age, design, climate, usage, installation, recent work, and the exact manufacturer instructions; these observations narrow next steps but do not prove a failed part.
Safe checks
- Write the symptom in plain language and when it starts, stops, or repeats.
- Record related observations such as Lights flicker in one room, Lights dim when appliance starts, New bulb does not work, Several rooms lost lights, Light fixture smells burnt.
- Collect model, age, warranty, prior invoice, photo, code, and recent-work details without opening equipment.
Stop and get help if
- Stop for heat, buzzing, arcing, smoke, burning odour, water exposure, damage, or repeated tripping.
- Never remove a cover, work live, or stand in water to reach electrical equipment.
Which professional to call
Use a qualified licensed electrician when the condition exceeds safe user access or the visible checks do not explain it.
Find the relevant tradeSource and method
This answer combines HomeSOS's structured triage with safety boundaries supported by a public source. It does not replace inspection.
Health Canada: Home safetyReviewed August 12, 2026