TT system

TT stelsel

Also known as: tt, tt-stelsel-ra, ra-berekening, aardingsweerstand-tt, ra-300ma, tn-c-verbod, pen-geleider-verbod, tn-c-rcd-conflict, pen-onderbreken

TT system: Grounding system with its own local earth electrode at the installation side, separate from the network earth point. Always requires an RCD as main protection.

See also