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  2. Load management - Wikipedia

    en.wikipedia.org/wiki/Load_management

    Since electrical energy is a form of energy that cannot be effectively stored in bulk, it must be generated, distributed, and consumed immediately. When the load on a system approaches the maximum generating capacity, network operators must either find additional supplies of energy or find ways to curtail the load, hence load management.

  3. List of companies of South Africa - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_of_South...

    South Africa is the southernmost country in Africa. It is the 25th-largest country in the world by land area, and with close to 60 million people, is the world's 24th-most populous nation. The World Bank classifies South Africa as an upper-middle-income economy, and a newly industrialised country. [1] [2] Its economy is the largest in Africa ...

  4. Circuit breaker - Wikipedia

    en.wikipedia.org/wiki/Circuit_breaker

    A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can ...

  5. List of largest companies in South Africa - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_companies...

    The figures are in billions of US dollars and are for the year 2019. All 14 companies from South Africa in the Forbes 2000 are listed. [2] *Despite the company being South African with Head Offices in South Africa, the company is listed as British by the Forbes 2000 ranking due to the entity's registered address in London.

  6. Department of Trade, Industry and Competition - Wikipedia

    en.wikipedia.org/wiki/Department_of_Trade...

    The Department of Trade, Industry and Competition (DTIC) has a mandate to develop the South African economy.They envision a dynamic, industrial and globally competitive economy, that is inclusive, offers decent employment and equity. [1]

  7. Earth-leakage protection device - Wikipedia

    en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

    Such devices may be found in the form of either a circuit breaker, known as an earth-leakage circuit breaker (ELCB), or built into a socket (aka receptacle). Voltage-operated ELCBs can still be found in the wild, though these largely fell out of favour after the invention of the current-sensing based RCD (aka GFCI) technology.