The element <electricalPotential> is used to order the wires based on project or organization specific rules, using the relation to termination module, block and shunt, or pole and position, and the contact identification.There are two different cases for coding of the electrical potential information:Equipment without internal logic. Equipment, such as connectors, earth bolts, etc, do not have an internal logic. The ascending values in element <contactOrderValue> represent the order of the equipment contacts to facilitate graphical presentation and connection analysis. Contacts of the equipment to which no physical wire is connected are included by wires with the wire state value "notactiv". For equipment without internal logic, the elements <terminationModuleGroupingValue>, <blockGroupingValue> and <shuntGroupingValue> must not be used.Equipment with internal logic. Equipment, such as switches, relays and terminal junction modules have an internal logic. That means, the equipment has internal connections, which connect different contacts of the equipment electrically. For switches and relays, these electrical connections depend on the switch/relay position. The internal electrical connections are the basis for the coding of the elements <terminationModuleGroupingValue>, <blockGroupingValue> and <shuntGroupingValue>. Examples for the population of these elements are given in Para .