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1.1/1.1kV cable

27 Min Read
Ghana's mechanized underground gold mines — Obuasi (AngloGold Ashanti), Tarkwa/Damang (Gold Fields), Akyem (Newmont), Bibiani (Asante Gold), Chirano (Kinross) — operate fleets of Sandvik continuous miners, bolters, and load-haul-dump (LHD) machines that were specified and commissioned by Australian contract mining companies. The OEM trailing cables on these machines are Olex (Nexans Olex) Type 241 — manufactured in Australia to AS/NZS 1802, the Australian standard for mining trailing cables. But Olex does not manufacture in Africa, has no West African distribution, and ships from Melbourne with a 18–26 week total procurement cycle. When a 200-meter trailing cable is crushed by a roof fall, sliced by a shuttle car, or degraded by months of dragging through acidic Birimian groundwater, the mine cannot wait half a year for a replacement. The mine needs an equivalent trailing cable that matches the AS/NZS 1802 Type 241 construction, meets Sandvik's OEM specifications, satisfies Ghana Minerals Commission safety requirements, and can be delivered in 8–12 weeks. This guide provides the engineering framework for that replacement.
Technical Department
on10/03/2026

Ghana Underground: Replacing Olex Type 241 1.1/1.1kV 3×35mm² on Sandvik Continuous MinersComplete Trailing Cable Replacement Guide

Ghana’s mechanized underground gold mines — Obuasi (AngloGold Ashanti), Tarkwa/Damang (Gold Fields), Akyem (Newmont), Bibiani (Asante Gold), Chirano (Kinross) — operate fleets of Sandvik continuous miners, bolters, and load-haul-dump (LHD) machines that were specified and commissioned by Australian contract mining companies. The OEM trailing cables on these machines are Olex (Nexans Olex) Type 241 — manufactured in Australia to AS/NZS 1802, the Australian standard for mining trailing cables. But Olex does not manufacture in Africa, has no West African distribution, and ships from Melbourne with a 18–26 week total procurement cycle. When a 200-meter trailing cable is crushed by a roof fall, sliced by a shuttle car, or degraded by months of dragging through acidic Birimian groundwater, the mine cannot wait half a year for a replacement. The mine needs an equivalent trailing cable that matches the AS/NZS 1802 Type 241 construction, meets Sandvik’s OEM specifications, satisfies Ghana Minerals Commission safety requirements, and can be delivered in 8–12 weeks. This guide provides the engineering framework for that replacement.
9 Min Read
Direct Answer: Standard VDE 0.6/1kV cables are not suitable for Australian 1000V IT earthing systems. The cable will be overstressed during single-phase earth fault conditions and will likely fail, creating safety hazards and equipment damage. Australian law and engineering practice mandate 1.1/1.1kV or equivalent rated cables for this application. Using undersized cables violates workplace safety regulations and manufacturer warranties. 直接答案：标准VDE 0.6/1kV电缆不适合澳洲1000V IT接地系统。在单相接地故障条件下，电缆会受到过应力，并可能失效，造成安全隐患和设备损坏。澳洲法律和工程实践要求在这种应用中使用1.1/1.1kV或等效额定值的电缆。使用规格不足的电缆违反工作场所安全法规和制造商保修。 Why? The answer lies in how Australian systems define voltage stress during fault conditions. When a single-phase earth fault occurs on an Australian IT earthing system, the insulation of a 0.6/1kV cable experiences 1000V stress—far exceeding its 600V phase-to-earth design rating. Insulation breakdown follows within minutes.
Technical Department
on05/03/2026

Can I Use a 0.6/1kV VDE Cable on a 1000V Australian System? Spoiler: Why 1.1/1.1kV is Required

Direct Answer: Standard VDE 0.6/1kV cables are not suitable for Australian 1000V IT earthing systems. The cable will be overstressed during single-phase earth fault conditions and will likely fail, creating safety hazards and equipment damage. Australian law and engineering practice mandate 1.1/1.1kV or equivalent rated cables for this application. Using undersized cables violates workplace safety regulations and manufacturer warranties. 直接答案：标准VDE 0.6/1kV电缆不适合澳洲1000V IT接地系统。在单相接地故障条件下，电缆会受到过应力，并可能失效，造成安全隐患和设备损坏。澳洲法律和工程实践要求在这种应用中使用1.1/1.1kV或等效额定值的电缆。使用规格不足的电缆违反工作场所安全法规和制造商保修。 Why? The answer lies in how Australian systems define voltage stress during fault conditions. When a single-phase earth fault occurs on an Australian IT earthing system, the insulation of a 0.6/1kV cable experiences 1000V stress—far exceeding its 600V phase-to-earth design rating. Insulation breakdown follows within minutes.
8 Min Read
Type 241 mining cables represent a specialized category of flexible power cables designed for demanding underground mining applications, continuous miner feeders, and pump supply systems operating at voltages from 1.1kV to 11kV. These cables are manufactured to comply with AS/NZS 1802:2003 standards and incorporate sophisticated screening systems that balance electrical performance, mechanical flexibility, and safety requirements.[1] （241型矿用电缆是专为严苛的地下采矿应用、连续采矿机馈线和泵供电系统设计的柔性电力电缆，工作电压为1.1kV至11kV）
Technical Department
on28/01/2026

Composite Screen: How does the copper/nylon braid screen in Type 241 cables handle fault currents compared to a full metallic screen?

Type 241 mining cables represent a specialized category of flexible power cables designed for demanding underground mining applications, continuous miner feeders, and pump supply systems operating at voltages from 1.1kV to 11kV. These cables are manufactured to comply with AS/NZS 1802:2003 standards and incorporate sophisticated screening systems that balance electrical performance, mechanical flexibility, and safety requirements.[1] （241型矿用电缆是专为严苛的地下采矿应用、连续采矿机馈线和泵供电系统设计的柔性电力电缆，工作电压为1.1kV至11kV）