Choose big brands. The power sockets of J&S lighting, Niu Niu, Bada, Junlang and other brands are high quality.
It’s difficult to discern from its appearance whether it’s not an engineering plug.
The performance of the socket will depend on the thickness of the copper that is used to make the contact.
This is the disassembled inner structure of a top-quality socket, copper post terminals, and the thickened contact copper sheets.
Above is the internal structure of a top-quality socket It is constructed of high-quality materials that have been thinning.
Below is an internal layout of the socket of a poor quality.
The copper sheet is very thin. Insufficient space at the point of contact could create heat and sparks.
It may also lead to the socket to be unable to be pull-ed out. The socket is constructed consisting of two copper sheets and an iron screw.
It is recommended to buy sockets in physical stores and then choose brands from the big assortment.
It is possible that online purchases may not be authentic.
Nowadays, many brands have launched physical store versions and E-commerce versions at the same in order to keep up with the times.
The version for sale on the internet is a castrated version, and there’s a significant difference in the performance of the power socket.