JACK AND PLUG CONFIGARATION
Jack & Plug or Plug & Socket Configuration in Various Countries
There is no guy who haven’t faced to fix unmatched Plug & Socket or Jack & Plug what ever you say. Especially you, who frequently visit different location or live in Asian country where not follow any specific standard, often face this problem during using computer/laptop, mobile etc charger.
Most of the developed countries use jack and plug configuration as per some international standard or their local standard, but many countries do not follow any specific standard, they use various configarated jack and plug what causes of this problem.
Some of standard jack and plug descriptions are quoted below that are using in Europe, America and other countries-
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: Earthing or Grounding System
Most Using Standard in Electrical Engineering
NFPA - National Fire Protection Association - National code that covers anything to do with flammable stuff (electrical, dust, combustibles, sprinklers, fire alarms, etc);
NEC - National Electric Code, NFPA 70 (NEC is a section of the NFPA code) - Addresses proper installation of electrical equipment, devices and wiring.
The first NEC document was written in 1897 at the insistence of various insurance, electrical, architectural and other interested parties. Up to and including 2008, there have been a total of 51 editions. It is revised on a regular three-year schedule. The National Electrical Code is divided into approximately 120 articles;
NEMA - National Electric Manufacturers Association- trade organization for electrical manufacturers. Sets common rules, practices and certification for the manufacture of electrical components and devices;
IEC - International Electric Code - International version of NEMA,
Question for you, why this earthing pin is thicker and bigger than others?
You can give your answer as comments below.