Power transformers. Test methods of tap changing devices
Document status: Active
Semiconductor frequency converters. General technical requirements
Document status: Active
Luminaires for domestic and public interior lighting. General specifications
Document status: Withdrawn
Excitation systems for turbogenerators, hydrogenerators and synchronous compensators. General specifications
Document status: Active
Wiring accessory. Pin stamped cable terminals, with open tail, attached to conductor core. Construction and sizes
Document status: Active