2023-02-24 14:04:32 1078
At present, there are many standards for electrical plug in the world, including Chinese standard plug (national standard), American standard plug (American standard), European standard plug (European standard, German standard), British standard plug (British standard) and South African standard plug (South African standard).
National standard plugs are used in China, Australia, New Zealand and Argentina, and are characterized by three flat ends.
American standard plugs are used in the United States, Canada, Japan, Brazil, the Philippines, Thailand and other countries and Taiwan, characterized by one round and two flat.
British standard plugs are used in the United Kingdom, India, Pakistan, Singapore, Malaysia, Vietnam, Indonesia, Maldives, Qatar, Hong Kong and other countries or regions, and are characterized by three square heads.
The European standard (German standard) plug is used in Germany, France, the Netherlands, Denmark, Poland, Finland, Norway, Austria, Belgium, Hungary, Spain, Sweden and other EU countries, as well as South Korea, Russia and other countries, with two round heads.
The South African standard plug is mainly used in South Africa, India and Russia, with three round heads.
In addition, there are Italian standard plug (Italian standard) and Swiss standard plug (Swiss standard).
Three-shaped model
Power plugs can generally be divided into 2-core power plugs, 3-core power plugs and multi-core power plugs.
2-core power plug: 2-core power plug, as its name implies, has two inserts or two pins. The specific insert or pin is different from each national standard. For example, China has two inserts and Europe has two round pins.
Three-core power plug: as the name implies, the three-core power plug has three inserts or three pins or two inserts or two pins plus a grounding hole. This structure is more complex than the 2-core power plug. There are great requirements for the size and diameter of the pin, and the length and the distance between the pins are considered.
Multi-core power plug: This multi-core power plug is more complex. According to the customer's requirements, what kind of 4-core power plug and 5-core power plug are used on each specific device should be considered according to the actual situation.
