NF C42-198-9:2000 Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV c.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9 : equipment for insulation fault location in IT systems.
2009NF C42-198-9:2009 Electrical safety in low voltage distribution systems up to 1 000 V ac and 1 500 V dc - Equipment for testing, measuring or monitoring of protective measures - Part 9 : equipment for insulation fault location in IT systems.
2000NF C42-198-9:2000 Electrical safety in low voltage distribution systems up to 1 kV a.c. and 1,5 kV c.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9 : equipment for insulation fault location in IT systems.