Protection against electric shock
Electric shock protection is a key safety indicator to ensure that plugs, sockets and converters will not cause electric shock accidents to users and others under normal use, even in some unexpected situations. When the plug is fully or partially inserted into the socket, the live parts of the plug shall not be accessible; any plug of the plug shall not be able to be inserted into the live socket of the socket when the other plugs are accessible. Plugs, sockets and converters with protective doors should be able to prevent single-pole or probe insertion.
structure
The socket assembly should have sufficient elasticity to ensure sufficient contact pressure on the plug pins. The socket should be corrosion-resistant and wear-resistant to ensure good contact between the plug and the socket; the pin of the plug should be locked and cannot be rotated, otherwise it will affect the insertion performance and cause unsafe factors; the converter has a flexible cord fixing device to ensure The flexible cord is fixed and can withstand normal tension and torque; when the plug and socket are inserted, the mating surfaces should be basically tight to prevent electric shock accidents.
power cable
The power cord should have enough cross-sectional area to ensure that the power cord will not heat up and cause insulation damage, resulting in short circuit, fire, leakage, and accidents. Such as: the common 250V, 10A converter's power line cross-sectional area should be greater than or equal to 0.75mm2.
Mechanical strength
Plugs and sockets should have sufficient mechanical strength to withstand various mechanical stresses caused by drops, impacts, and extrusions during installation and use; sockets with protective doors should be able to prevent single-pole insertion.