STB PDF
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 - Equipment for testing the safety of electrical equipment of machinery. Original standard BS EN 61557-14-2013 in PDF full version. Additional info + preview on request
Document status: Withdrawn
Original standard BS EN 61557-16-2015 in PDF full version. Additional info + preview on request
Document status: Withdrawn
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 - Insulation resistance. Original standard BS EN 61557-2-2007 in PDF full version. Additional info + preview on request
Document status: Replaced by STB BS EN IEC 61557-2-2021
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 - Loop impedance. Original standard BS EN 61557-3-2007 in PDF full version. Additional info + preview on request
Document status: Replaced by STB BS EN IEC 61557-3-2022
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 - Resistance of earth connection and equipotential bonding. Original standard BS EN 61557-4-2007 in PDF full version. Additional info + preview on request
Document status: Replaced by STB BS EN IEC 61557-4-2021
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 - Resistance to earth. Original standard BS EN 61557-5-2007 in PDF full version. Additional info + preview on request
Document status: Replaced by STB BS EN IEC 61557-5-2021