What happens to the power of the Apple laptop that often sparks?

What about the power of Apple laptop? Users who use Apple MacBook laptops believe they will encounter a situation where electric spark is generated when the laptop power adapter is plugged in, with severe, light, and sound. Sometimes when you inadvertently plug the power adapter into the power supply, if there is a large spark, it will make us really surprised, and also worry about the power supply always so, there will be damage. As to why there is an electric spark when plugged into the power supply, this is not a struggle here, here is a simple way to reduce the power adapter in the power generation Spark, as well as some considerations.

1, it is recommended that the laptop power into the Power plug board before the adapter power plug with metal material contact, keep in about 5 seconds. This effectively releases the static electricity inside the power adapter, effectively reducing the spark generated when inserting the power plug.

2, the power adapter internal electrostatic release, and then plug into the power board, as shown in the figure

3, another need to pay attention to a place, is to first plug the laptop power adapter into the power, and then plug into the computer. This can prevent damage to the computer when the power adapter is shorted.

4, the method described here, although not completely eliminate the spark generated in the power contact, but can effectively reduce the spark, I hope you can have a little help.