Use lights certified by the Superintendencia de Electricidad y Combustibles.
Buy thick wire garlands, thin ones will cut, crack or melt. Always check that they are SEC certified.
If you use the same ones from last year, make sure the cables do not have cut or cracks.
Avoid overheating. Do not overload your house’s electrical installation with excessive Christmas decoration.
Avoid decorating thetrees of the outdoor gardens. Irrigation increases the probability of electrocution.
Check your extension cords and your power strips. They can overload and be an electrocution risk to people and pets.