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mining trailing cable LED illumination

29 Min Read
Trailing Cable for Mining For Sale | Choose Feichun Cables
Technical Department
on17/03/2026

Trailing Cable for Mining For Sale | Choose Feichun Cables

This is probably our strongest competitive advantage, and it’s one that most procurement teams don’t fully appreciate until they need it. Imagine you’re managing cable procurement for a gold mine in Mongolia that runs Sandvik continuous miners (requiring AS/NZS 1802 Type 241 cables) alongside Russian-designed EKG excavators (requiring GOST 31945 КГЭ-ХЛ cables). Traditionally, you’d source from an Australian manufacturer for the Type 241 and a Russian manufacturer for the КГЭ-ХЛ. Two suppliers, two negotiations, two quality verification processes, two shipping arrangements. With Feichun, you issue one purchase order. One set of commercial terms. One consolidated shipment. One quality documentation package. The savings from consolidated procurement alone — reduced freight, simplified logistics, single-point accountability — typically run 10 to 15 percent on top of our already lower unit pricing.
14 Min Read
Consider a medium-voltage mining trailing cable — for instance, an (N)TMCGEH3S rated 6/10 kV — carrying hundreds of amperes of alternating current through its three power cores to an electric rope shovel in an open-pit mine. Somewhere inside the same cable, a tiny LED glows steadily, making the cable visible to operators in darkness. Yet that LED has no wire, no contact, no physical electrical connection to the power cores. How is this possible? 设想一根中压矿用拖拽电缆——例如额定 6/10 kV 的 (N)TMCGEH3S——通过三根动力线芯向露天矿的电铲输送数百安培的交流电。在同一根电缆内部某处，一颗微小的 LED 稳定发光，使电缆在黑暗中对操作人员可见。但该 LED 与动力线芯之间没有导线、没有触点、没有任何物理电气连接。这是如何做到的？
Technical Department
on10/02/2026

Inductive Harvesting: How Does the Magnetic Field of the Power Cores Induce Current to Light Up LEDs Without Physical Electrical Connection?

Consider a medium-voltage mining trailing cable — for instance, an (N)TMCGEH3S rated 6/10 kV — carrying hundreds of amperes of alternating current through its three power cores to an electric rope shovel in an open-pit mine. Somewhere inside the same cable, a tiny LED glows steadily, making the cable visible to operators in darkness. Yet that LED has no wire, no contact, no physical electrical connection to the power cores. How is this possible? 设想一根中压矿用拖拽电缆——例如额定 6/10 kV 的 (N)TMCGEH3S——通过三根动力线芯向露天矿的电铲输送数百安培的交流电。在同一根电缆内部某处，一颗微小的 LED 稳定发光，使电缆在黑暗中对操作人员可见。但该 LED 与动力线芯之间没有导线、没有触点、没有任何物理电气连接。这是如何做到的？