EN 60974-1:2012 Arc welding equipment - Part 1: Welding power sources
EN 60974-6 Arc welding equipment - Part 6: Limited duty equipment
EN 61140 Protection against electric shock - Common aspects for installation and equipment
EN 61557-4 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 4: Resistance of earth connection and equipotential bonding
IEC 61140 Protection against electric shock — Common aspects for installation and equipment
IEC 61557-4 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection a*, 2019-07-26 Update
BS EN 60974-4:2016 history
2016BS EN 60974-4:2016 Arc welding equipment. Periodic inspection and testing
2011BS EN 60974-4:2011 Arc welding equipment. Periodic inspection and testing
2007BS EN 60974-4:2007 Arc welding equipment - In-service inspection and testing