Definition: "Amperands" refers to electrical circuit symbols that connect switches, relays, meters, etc., like [0-9] in a loop or 1000 in an electric meter. Definition: The symbol "ampersand" is used to denote multiple connections, typically with commas. It is often used for connecting two or more components of a circuit. For example, a three-phase electrical system would have the symbols [0-2] connected to [3-4], [1-5] and [6-8].