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 3: Loop impedance
NORMA vydaná dňa 21.5.2021
Designation standards: GB/T 18216.3-2021
Publication date standards: 21.5.2021
Country: Chinese technical standard
Kategória: Technické normy GB