The British Standard socket is used in following contries

• Anguilla
• Antigua
• Bahrain
• Botswana
• Cyprus
• Dominica
• Gibraltar
• Great Britain
• Grenada
• Guiana
• Hongkong
• Iraq
• Ireland
• Jordan
• Qatar
• Kenya
• Kuwait
• Lebanon
• Malaysia
• Malta
• Montserrat
• Oman
• Santa Lucia
• Singapore
• Trinidad and Tobago
• United Arab Emirates
• Zambia
• Zimbabwe

Switches and systems