1. Not charged mobile "220V AC Cooling Fan", must be cut off until the blades stop turning, then move. This is one of the most critical security measures.
2. According to the housing area, the number of household appliances, reasonable arrangements for a power outlet (quantity, distribution), does not take long temporary power lines to prevent incorrect wiring devices live shell caused the accident.
3. Buy qualified "220V AC Cooling Fan", for self-assembly or informal Electric Factory assembled products to please understand electrical knowledge workers to conduct an inspection, eliminate defects
4. Fan housing must be grounded.
5. Newly purchased, repaired or must be used before the annual electrical inspection pen verify fan housing without leakage phenomenon.
6. "220V AC Cooling Fan" Household electric shock protection should be installed.