electricity should be used carefully ,otherwise it will cause unexpectable accidents.firstly,we should never ever touch the plug when our hands are with water; then,make sure that you are using electrical appliances within the bearing capability of the electricenergymeter;besides ,always remember to use the fuse wire in case of the overload of electricity.to sum up,there are still a lot more to take notice of ,but safety will always be the first thing to be concerned!