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UNE-EN 50522
Earthing of power installations exceeding 1 kV a.c.
Edition
2012-07-11
UNE-EN 50522
Earthing of power installations exceeding 1 kV a.c.
Edition
2022-11-02
NF C13-000-2 ; NF EN 50522:2022-03-04
Earthing of power installations exceeding 1 kV a.c
Edition
2022-03-04
NF C13-000-2 ; NF EN 50522:2012-12-01
Earthing of power installations exceeding 1 kV a.c
Edition
2012-12-01
BS EN 60947-5-3
Low-voltage switchgear and controlgear. Control circuit devices and switching elements Requirements for proximity devices with defined behaviour under fault conditions (PDDB)
Edition
2013-12-31
NF E56-005-2/IN1 ; NF EN 1889-2/IN1:2009-05-01
Machines for underground mines - Mobile machines working underground - Safety - Part 2: rail locomotives
Edition
2009-05-01
NF E32-200-1/IN1 ; NF EN 746-1/IN1:2009-11-01
Industrial thermoprocessing equipment - Part 1: common safety requirements for industrial thermoprocessing equipment
Edition
2009-11-01
UNE-EN 50162
Protection against corrosion by stray current from direct current systems
Edition
2005-01-05
UNE-EN 1996-1-2
Eurocode 6 - Design of masonry structures - Part 1-2: General rules - Structural fire design
Edition
2011-12-28
UNE-EN 1992-2
Eurocode 2 - Design of concrete structures - Concrete bridges - Design and detailing rules
Edition
2013-04-10