Plugs
Make sure the plug fits the outlet.
NEVER remove the ground pin to make a 3-prong plug fit in a 2-conductor outlet, it could result into an electric shock.
Make sure the plug fits securely into the outlet

Outlets
Check for outlets that have loose fitting plugs, as it can overheat and start a fire.
Check for broken or missing outlet covers
If you have children in your house: put safety covers on all your unused outlets to ensure their safety.

Extension cords
Use only as a temporary measure.
Do not  drape them over baseboard heaters as it could trigger short-circuits.
Do not nail or staple them to walls or hide them under carpets or mats.

Light bulbs
Always use the recommended wattage light bulb for the correct light fixture
Screw bulbs securely, as loose bulbs may overheat

Circuit breakers
Replace fuses with same size fuses
Label your electric panel

TV, Hi Fi systems and Computers
Use a surge protector or surge strip to protect your electronic equipment.
Unplug equipment during electrical storms or if you are away from your home for a long period of time.

Appliances
Contact an electrician if an appliance blows a fuse or trips a circuit breaker regularly or if it has given you a shock.

Ground Fault Circuit Interrupters (GFCI’s)
GFCIs can help prevent electrocution, as it will shut off power if it senses current leakage.
Install outdoors and everywhere water may come into contact with electricity (like Spas and pools).
Test it monthly or after major electrical storms and if they are faulty, replace them immediately.