Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Residual current devices (RCD) in TT and TN systems
Lays down requirements for measuring equipment applied to test the effectiveness of protective measures by regular disconnections of residual current protective devices (RCD) in TT and TN systems.