MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
UK 3-pin electrical plug, 13-amp fuse. This plug is used to connect domestic appliances and tools to the UK's 240-volt alternating current supply. The insulation is colour-coded: live (brown), neutral (blue), and earth (green and yellow). The earth wire connects the appliance and the ground. In the event of a fault in the appliance the current flows to earth causing no harm to the user. The live wire is connected through a fuse (upper right), which melts if there is a current overload. The neutral wire carries current from the appliance back to the power supply. For this plug with and without a fuse, see C014/6949 to C014/6951.
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