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 IEC 61557-4:1997 ED1
17.220.20
Measurement of electrical and magnetic quantities
| 29.080.01
Electrical insulation in general
| 29.240.01
Power transmission and distribution networks in general
Buying
Revised
Scope
Specifies requirements for equipment for measuring the resistance
of earth conductors, protective earth conductors and conductors for
equipotential bonding including their connections and terminals.
Life cycle
NOW
WITHDRAWN IEC 61557-4:1997 ED1 99.60
Withdrawal effective Jan 29, 2007