Type D
Type D is an old British standard plug with three large round pins arranged in a triangular pattern. While phased out in the UK, it remains the dominant plug type in India, Nepal, and some African countries.
Technical Specifications
Pin Dimensions
History
Type D was developed in Britain in 1947 as part of the BS 546 standard. After World War II, Britain switched to the Type G plug, but Type D remained in use in former British colonies, particularly in South Asia.
Safety Features
Type D features a grounding pin for safety. The large pin spacing makes it relatively safe, as small objects are less likely to make contact with live parts. However, it lacks the safety shutters found in modern designs.
Compatibility
Type D outlets may sometimes accept Type C plugs, though this varies by socket design. Type M plugs (larger variant) are sometimes found alongside Type D in the same countries.
Travel Tips
- ✓Essential for travel to India, Nepal, and Sri Lanka
- ✓Some hotels in India offer universal outlets, but don't count on it
- ✓Type D adapters can be hard to find outside of South Asia - buy before you go
- ✓Some modern buildings in India are transitioning to Type C/Type M
Regions
Countries(30)
Other Plug Types
Frequently Asked Questions
What is a Type D power plug?
Type D is an old British standard plug with three large round pins arranged in a triangular pattern. While phased out in the UK, it remains the dominant plug type in India, Nepal, and some African countries.
Which countries use Type D plugs?
Type D plugs are used in 30+ countries, primarily in South Asia, Parts of Africa, Middle East. Popular countries include Bangladesh, Bhutan, Botswana, Chad, Democratic Republic of the Congo.
Is Type D a grounded plug?
Yes, Type D is a grounded (earthed) plug with 3 pins, providing protection against electrical faults.
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