What is Electrical Regulations and Standard?

Electrical Regulations:

     Most of the countries, electrical installation should comply with a set of  installation rules which is issued by a National Authorities. It is essential to consider these local constraints in the time of design. For example: BNBC, RAJUK, ELB are the National Authorities in Bangladesh. 

Electrical Standards:

    Electrical standards are the set of rules, which has been established by engineering experts from all of the countries in the world. Those rules are recommended for electrical installation by international level experts. For example: IEC Standards.