Power plugs can generally be divided into 2-core power plugs, 3-core power plugs and multi-core power plugs.
2-core power plug: As the name implies, the 2-core power plug has two blades or two pins. The specific blade or pin is different for each country. For example, the Chinese version has two blades and the European version has two pins. Two round pins.
3-core power plug: As the name implies, the 3-core power plug has 3 blades or 3 pins or two blades or two pins plus a grounding hole. Such a structure is more complicated than a 2-core power plug. The size and diameter of the pins have great requirements, and the length and the distance between the pins are all considerations.
Multi-core power plug: This multi-core power plug is more complicated. What kind of 4-core power plug, 5-core power plug, etc., according to customer requirements, which specific equipment to use must be considered based on the actual situation.