NF C42-198-3*NF EN 61557-3:2007
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.

Standard No.

NF C42-198-3*NF EN 61557-3:2007

Release Date

2007

Published By

Association Francaise de Normalisation

Latest

NF C42-198-3*NF EN 61557-3:2007

Replace

NF C42-198-3:1997

NF C42-198-3*NF EN 61557-3:2007 history

• 0000 NF C42-198-3:2007
• 1997 NF C42-198-3:1997 Electrical safety in low voltage distribution systems up to 1 kV A.C. and 1,5 kV d.c. Equipment for testing, measuring or monitoring of protective measures. Part 3 : loop impedance.