IEC 61557-2-2019 pdf download

IEC 61557-2-2019 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 2: Insulation resistance. 6 Tests 6.1 General In addition to IEC 61 557-1 :201 9, Clause 6...