Identify the exact model
A model or serial number allows recall and manual searches.
Look for missing safety information
Unknown age, altered parts or missing instructions can make evaluation difficult.
Avoid products with unresolved damage
Electrical, structural or child-safety products deserve particular caution.
Use official recall information
A seller's assurance should not replace a regulator or manufacturer recall check.
General prevention information only. In an active emergency, follow local emergency services and official instructions. Do not attempt electrical, structural, fire-suppression, hazardous-chemical or other safety-critical work without appropriate professional competence.