Switchgear standards and standardisation

Switchgear has almost 100 years of development history. It has become a total concept of power-system capability in growth, operation, security of supply and in safety. Switchgear techniques have been many and varied, but rationalisation and economic factors have caused preferred arrangements to emerge and become accepted standards. This process has been pursued in British Standards and in the closely aligned International Standards. With the Treaty of Rome and the more recent entry of the United Kingdom into the European Economic Community, the harmonisation of national standards will increasingly influence our engineering in the future