3.0. Hazardous Area Classification and Electrical Safety

Use of electricity in households as well as in industry has been available since the 19th century. Electricity has also been in use in coal and other mining applications. Using electricity in potentially explosive areas has been a concern from very early days. This has prompted developments of methods to use electricity in hazardous areas. After a number of initial accidents, developmental work has been undertaken to take care of safety. In this modern era, the number of accidents caused by electrical ignition sources is low. So, expenditure on development, manufacturing, and statutory regulations has proven to be successful. Today, many codes and standards toward safe use of electricity ...

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