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![What kinds of faul···]()
2025-09-02 What kinds of faults are pro···1. Low-resistance grounding or short-circuit fault;2. High-resistance grounding fault;3. Broken wire fault;4. Broken wire and grounding fault;5. Flashover fault.
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![Where are the cont···]()
2025-09-02 Where are the control cables···KVVP2 offers better shielding effectiveness, but KVVP is more flexible. The desired shielding effectiveness depends on the user's application, including flexibility, flexibility, and sufficient space. Shielding effectiveness: Braid + Wrap > Wrap > Braid > Semiconducting Layer.
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![What is the differ···]()
2025-09-02 What is the difference betwe···Power cables are used to transmit and distribute high-power electrical energy within the main lines of power systems. Control cables transmit electrical energy directly from the power distribution points of the power system to the power connections of various electrical equipment. The rated voltage
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![What is the differ···]()
2025-09-02 What is the difference betwe···The specifications of power cables can generally be larger, up to 500 square meters (the range that conventional manufacturers can produce). There are relatively few manufacturers who can produce larger cross-sections, while the cross-section of control cables is generally smaller, and the maximum g
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![What is the differ···]()
2025-09-02 What is the difference in th···In terms of the number of cable cores, power cables generally have a maximum of 5 cores according to the requirements of the power grid, while control cables are used to transmit control signals and have more cores. According to the standard, the maximum number of cores is 61, but they can also be p
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![NH-VV: Common appl···]()
2025-09-02 NH-VV: Common applications f···It can be installed indoors, in tunnels, cable trenches, pipelines, and in flammable and severely corrosive environments, but cannot withstand mechanical forces. If mechanical resistance is required, steel tape armoring can be added. Suitable for applications with special requirements, such as large
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![NH-YJV: Common app···]()
2025-09-02 NH-YJV: Common applications ···It can be installed indoors, in tunnels, and in pipelines, and can withstand certain traction during installation. However, the cable cannot withstand external forces, and single-core cables are not permitted in magnetic pipes. If mechanical resistance is required, steel tape armoring can be added.S
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![Application of RTT···]()
2025-09-02 Application of RTTZ series m···Applications of the RTTZ Series Mica-Taped Mineral-Insulated Corrugated Copper-Sheathed CableThis new fire-resistant cable, improved upon the shortcomings of mineral-insulated cables, overcomes the limited production lengths of mineral-insulated cables and avoids the problem of intermediate joints d
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![What is the functi···]()
2025-09-02 What is the function of cabl···The outermost layer of wires and cables is typically a rubber or rubber composite sheath. This layer serves not only as insulation but also as protection from damage.Cables are categorized as either high-voltage or low-voltage. High-voltage cables also have a layer of resin-like filler inside, which
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![The copper wires i···]()
2025-09-02 The copper wires in the KVVP···1. Measure the capacitance and find the length ratio. There will definitely be some error.2. If it's short, apply power to one end and run a test pen along the cable. The neon tube will light up at the active end, and the end that doesn't light up indicates a break. If the cable is too long
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