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NF C20-790-4-1/A1 ; NF EN 61340-4-1/A1:2015-09-12
Electrostatics - Part 4-1 : standard test methods for specific applications - Electrical resistance of floor coverings and installed floors
Edition
2015-09-12
NF C26-304-1 ; NF EN 60216-4-1:2006-08-01
Electrical insulating materials - Thermal endurance properties - Part 4-1 : ageing ovens - Single-chamber ovens
Edition
2006-08-01
NF C31-094-1 ; NF EN 60264-4-1:2011-11-01
Packaging of winding wires - Part 4-1 : methods of test - Delivery spools made from thermoplastic materials
Edition
2011-11-01
NF C32-042-4-1 ; NF EN 50363-4-1:2006-03-01
Insulating, sheathing and covering materials for low voltage energy cables - Part 4-1 : PVC sheathing compounds
Edition
2006-03-01
NF C44-052-41 ; NF EN IEC 62052-41:2022-12-09
Electricity metering equipment - General requirements, tests and test conditions - Part 41: Energy registration methods and requirements for multi-energy and multi-rate meters
Edition
2022-12-09
NF C44-059-41 ; NF EN 62059-41:2006-08-01
Electricity metering equipment - Dependability - Part 41: reliability prediction
Edition
2006-08-01
NF C46-443-4-1 ; NF EN IEC 62443-4-1:2018-03-23
Security for industrial automation and control systems - Part 4-1 : secure product development lifecycle requirements
Edition
2018-03-23
NF C46-604-4-1 ; NF EN 61158-4-1:2015-10-30
Industrial communication networks - Fieldbus specifications - Part 4 1 : data-link layer protocol specification - Type 1 elements
Edition
2015-10-30
NF C46-904-4-1 ; NF EN 61334-4-41:1997-03-01
Distribution automation using distribution line carrier systems. Part 4: data communication protocols. Section 41 : application protocols. Distribution line message specification
Edition
1997-03-01
NF C51-114-1 ; NF EN IEC 60034-4-1:2018-08-24
Rotating electrical machines - Part 4-1 : methods for determining electrically excited synchronous machine quantities from tests
Edition
2018-08-24
