12-10-2020
0
Engineering
Insulators
0 L.E.
IEC 61557-4/2019 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 4: Resistance of earth connection and equipotential bonding
Adopted
Not Obligatory
17.220.20 - 29.080.01 - 29.240.01