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Electrical plug and fuses. The fuses are of different ratings; 13 amp, 5 amp and 3 amp. A fuse is the short term for 'fusible link' and is a type of overcurrent protection device. The correct fuse should be fitted to allow the normal operating current to flow while protecting the appliance and its cord. (KEYSTONE/SCIENCE PHOTO LIBRARY/CHR 366 ROBERT BROOK/SCIENCE PHOTO LIBRARY) === ===