International
Electrotechnical
Commission
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
TC 99 |
System engineering and erection of electrical power installations in systems with nominal voltages above 1 kV a.c. and 1,5 kV d.c., particularly concerning safety aspects |
TC 99 Scope
TC 99
1. Standardisation of common rules for system engineering and erection of electrical power installations with nominal voltages above 1 kV a.c. and 1.5 kV d.c., for power generation, transmission, distribution, and consumer premises, with particular consideration of safety aspects.
2. Standardisation of particular requirements for power generation, transmission, distribution, and industrial installations, with nominal voltages above 1 kV a.c. and 1.5 kV d.c. in both indoor and outdoor situations.