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