IEC 61557-5-2019 pdf download

IEC 61557-5-2019 pdf download.Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 5: Resistance to earth. This part of IEC 61 557 specifies the requirements applicable to measuring equipment...