Table of Contents - L.1041 (12/2025) - Resource saving, e-waste reduction and energy saving system methodology using twisted single-pair cable
1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Recommendation 4 Abbreviations and acronyms 5 Conventions 6 Requirements of twisted single-pair cable (TSPC) 6.1 Use of twisted single-pair cables for ICT devices 6.2 Power limit of 90 W for an ICT device 7 The twisted (balanced) single-pair cable system's resource saving, e-waste, reuse, recycle methodologies 7.1 Conductor weight and copper resource saving through twisted single-pair cable (TSPC) and use case calculation 7.2 Reuse, repair and recycling methodology 7.3 Standardization and management of information labels for reuse, repair and recycle 8 Conclusion Appendix I – Specification of five cable types I.1 AC power cable (untwisted single-pair cable with earth) I.2 DC power cable (untwisted single-pair cable) I.3 TSPC (twisted single-pair cable) I.4 USB Type-C cable (12 multipair cable) I.5 LAN/Ethernet cable (4-multipair cable) Appendix II – Three cable types defined in IEC 61156-1 according to the intended use Appendix III – Example of typical power consumption of ICT devices Bibliography
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