Engineering

prEN 18324 - Accessibility requirements and recommendations for charging stations for electric road vehicles
Categories: Electric road vehicles
Committee: CEN/CLC/JTC 11 (Accessibility in the built environment)
Origin: CENELEC
Close date: 30 Apr 2026
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prEN IEC 60079-7:2026 - Explosive atmospheres - Part 7: Equipment protection by increased safety "e"
Categories: Electrical equipment. Special conditions
Committee: CLC/TC 31 (Electrical apparatus for potentially explosive atmospheres)
Origin: CENELEC
Close date: 01 May 2026
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IEC 60079-7 ED6 - Explosive atmospheres - Part 7: Equipment protection by increased safety "e"
Categories: Electrical equipment. Special conditions
Committee: TC 31 (error)
Origin: IEC
Close date: 01 May 2026
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IEC 60539-1/AMD1 ED4 - Amendment 1 - Directly heated negative temperature coefficient thermistors - Part 1: Generic specification
Categories: Resistors
Committee: TC 40 (error)
Origin: IEC
Close date: 01 May 2026
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prEN IEC 62133-2:2026 - Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary lithium cells, and for batteries made from them, for use in portable applications - Part 2: Lithium systems
Categories: Cells and batteries
Committee: CLC/TC 21X (Secondary cells and batteries)
Origin: CENELEC
Close date: 01 May 2026
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EN IEC 60539-1:2023/prA1:2026 - Amendment 1 - Directly heated negative temperature coefficient thermistors - Part 1: Generic specification
Categories: Resistors
Committee: CLC/SR 40 (Capacitors and resistors for electronic equipment)
Origin: CENELEC
Close date: 01 May 2026
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IEC 62133-2 ED2 - Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary lithium cells, and for batteries made from them, for use in portable applications - Part 2: Lithium systems
Categories: Cells and batteries
Committee: TC 21/SC 21A (error)
Origin: IEC
Close date: 01 May 2026
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ISO/DIS 4433-1 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 1: Test method
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-2 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 2: Polyolefin piping components-polybutene (PB), polyethylene (PE), crosslinked polyethylene (PE-X), polypropylene (PP)
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-3 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 3: Unplasticized poly(vinyl chloride) (PVC-U), high-impact poly(vinylchloride) (PVC-HI), modified poly(vinylchloride) (PVC-M), alloy poly(vinylchloride) (PVC-A), oriented poly(vinylchloride) (PVC-O) and chlorinated poly(vinyl chloride) (PVC-C) piping components
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-4 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 4: Poly(vinylidene fluoride) (PVDF) and Ethylenechlorotrifluoroethylene (ECTFE) piping components
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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