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![What do the colors···]()
2025-08-28 What do the colors of the wi···In electrical circuits, we see wires of different colors, each with different functions. So, what do the different colors represent?What do the different colors represent?1. Red: It represents the live wire, usually represented by the letter "l". This color is very bright and visually crea
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![Common cable model···]()
2025-08-28 Common cable model descripti···Common Cable Types and CharacteristicsYJV copper-core PE-insulated PE-sheathed power cable is suitable for indoor installation, tunnels, and pipelines, but it should be noted that this cable cannot withstand pressure and external mechanical forces.YJV22 copper-core PE-insulated steel-tape armored PE
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![Shielded cable mod···]()
2025-08-28 Shielded cable models and sp···Common shielded cable models and features:1. RVVP Cable- Structure: Copper core + PVC insulation + copper wire braided shield + PVC jacket- Application: Suitable for low-voltage instruments and monitoring systems. The shield layer can resist electromagnetic interference below 30MHz.- Specifications:
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![10kv high voltage ···]()
2025-08-28 10kv high voltage overhead i···I. Introduction to 10kV Overhead Insulated Conductors10kV overhead insulated conductors are widely used in power transmission lines. They offer excellent electrical performance and high mechanical strength. They are not only resistant to harsh weather conditions but also effectively reduce line loss
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![The difference bet···]()
2025-08-28 The difference between 8.7/1···The main differences between 8.7/10kV and 8.7/15kV lie in their voltage ratings and maximum withstand voltages. 8.7/10kV has a voltage rating of 10kV and a maximum withstand voltage of 12kV; while 8.7/15kV has a voltage rating of 15kV and a maximum withstand voltage of 17.5kV.1. Differences in Withs
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![The difference bet···]()
2025-08-28 The difference between flexi···Mineral insulated cables (MICs) are widely used in fire protection systems, high-temperature environments, and critical power transmission applications due to their excellent fire and heat resistance and safety. Based on their structure and performance, MICs can be divided into rigid and flexible MI
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![What is the differ···]()
2025-08-28 What is the difference betwe···1. Structural Differences: The Shield's "Secret Weapon"The shield of a shielded cable is essentially a layer of conductive material, typically composed of aluminum foil, copper mesh, or a metal braid, wrapped around the cable's insulation (or around each twisted pair). This layer,
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![Advantages of alum···]()
2025-08-28 Advantages of aluminum alloy···1. Significant Cost Advantages and Better EconomicsAluminum is one of the most abundant metal elements in the Earth's crust, abundant in resources, and significantly cheaper than copper. For the same current carrying capacity, the procurement cost of aluminum alloy cables is approximately 30%-40
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![Selection standard···]()
2025-08-28 Selection standards for flam···The core value of flame-retardant cables lies in their "difficulty to ignite," meaning they are difficult to ignite, or if ignited, they prevent the spread of flames and self-extinguish after the fire source has been removed. This primarily aims to reduce fire losses and prevent the spread
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![What is the differ···]()
2025-08-28 What is the difference betwe···YJV and YJY cables are both cross-linked polyethylene insulated power cables, but the difference in sheath material is a key performance difference between the two:YJV: The outer layer is a polyvinyl chloride (PVC) sheath, which contains halogen and offers high mechanical strength and flame retardan
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