What is the incoming cable of the distribution box called

Also known as the “service entrance cable” or “service entrance wire,” the wire from the meter to the breaker box is usually made of copper or aluminum. Its purpose is to connect the electric meter on the exterior of the building to the main distribution panel or breaker box located. In electric power distribution, a service drop is an overhead electrical line running from a utility pole to a customer's building or other premises. The drop runs to a weatherhead atop a length of rigid conduit. When fed underground, service conductors are installed in buried conduit or run as underground service-entrance (USE) cable. It is the central electrical supply system of any building or property. In EU zone CE marking is a mandatory self-declaration for free trade done by the manufacturer/importer. Q1, Q2 and Q3) Distribution.