Choose big brands. Power sockets of high-quality are available from J&S Lighting, Niu Niu Bada, Junlang and many more brands.
It’s difficult to discern from its appearance whether it’s an engineering plug.
The performance of the socket depends on the thickness of the internal contact copper.
This is the deconstructed internal structure of a high-quality socket and post terminals made of copper, and the thickened contact copper sheets.
Above is the inside structure of a top-quality socket made of thicken-ed materials.
Below is an internal layout of the socket of a poor quality.
Copper sheet is thin. Too much space at the point of contact could result in fire and heat.
It could also cause the socket to be unable to be pulled-ed out. The terminal consists of two copper sheets as well as a screw.
It is suggested to purchase sockets from local stores and pick brands from theig assortment.
Online shopping may not be authentic.
Today, many companies have introduced physical store versions and E-commerce versions at the same as to be able to adapt to changing current market conditions.
The E-commerce version is a castrated version, and there’s a noticeable difference in the performance of the socket.