Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity none of the aforementioned being batteries, battery chargers, USB chargers, car chargers, electronic devices and appliances for charging or electric accumulators for electric and electronic cigarettes, oral vaporisers for smokers (including smokeless vaporisers) and electronic devices used for heating tobacco, tobacco products and tobacco substitutes; overhead power lines for supplying electricity to assume in vehicles; in-ground powerlines for supplying the city to machines and vehicles; power supply equipment for use in mining; pantographs for conveying a current to a train, tram, or other electric vehicle from overhead wires; electrical connectors for electrically linking power supply lines with vehicles; electrical power lines and electrical connectors for supplying electricity in mining