Overhead optical cables and power lines are outdated

Overhead optical cables and power lines remain widely used and technologically relevant, offering cost-effective deployment and maintenance advantages, though they face limitations compared to underground alternatives.Continued Relevance of Overhead InfrastructureOverhead optical cables, including OPGW (Optical Ground Wire) and ADSS (All-Dielectric Self-Supporting) cables, are still extensively deployed worldwide for both telecommunications and power transmission purposes . They provide a cost-effective solution because installation requires less civil work than underground cabling, making them faster to deploy and easier to maintain . Utilities often leverage existing power line routes to create a telecommunications right of way, integrating optical fibres with power infrastructure without additional land acquisition .AdvantagesLower installation costs: Overhead deployment avoids extensive trenching and excavation required for underground cables .Ease of maintenance: Fault detection and repairs are generally simpler and faster, reducing downtime .Technological integration: Modern overhead cables are designed to withstand mechanical stress, environmental conditions, and high-speed data transmission requirements .Standards and safety: Guidelines such as IEC TR 62263:2024 provide comprehensive protocols for safe installation and live working, ensuring operational efficiency and compliance with regulations .LimitationsDespite their advantages, overhead lines have some constraints:Exposure to environmental hazards: Wind, ice, storms, and temperature fluctuations can stress cables, potentially causing elongation, microcracks, or signal degradation .Aesthetic and land-use concerns: Overhead lines can be visually intrusive and may face restrictions in urban or environmentally sensitive areas.Capacity limitations: While modern overhead cables support high-speed data, underground or hybrid solutions may offer higher bandwidth and lower latency in dense urban networks .Modern ContextOverhead infrastructure is not outdated but is increasingly complemented by underground cabling in urban centers and high-density areas where reliability, aesthetics, and capacity are critical. Innovations such as Compact Tube® micromodules reduce cable weight and improve mechanical performance, extending the lifespan and efficiency of overhead networks . Additionally, preventive and corrective maintenance practices continue to enhance reliability and performance .ConclusionOverhead optical cables and power lines remain a practical and widely used solution in modern telecommunications and power distribution. While underground alternatives offer certain advantages, overhead systems are far from obsolete, particularly in rural, suburban, and industrial settings where cost, ease of deployment, and maintenance efficiency are key considerations .