Definīcija:a general term covering switching devices and their combination with associated control,measuring,protective and regulating equipment,also assemblies of such devices and equipment with associated inter-connections, accessories, enclosures and supporting structures, intended, in principle, for use in connection with generation, transmission, distribution and conversion of electric energy
VVC izstrādātie inženierzinātņu, tehnikas, rūpniecības un būvniecības un arhitektūras termini