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Why are Coaxial Cables Highly Insulated?

What is a Coaxial Cable?A coaxial cable is a type of electrical cable designed to transmit high-frequency electrical signals with minimal interference. It features a central conductor(typically copper or copper-plated wire) surrounded by a cylindricalinsulating layer, which is then enclosed by aconductive shield. This shield usually consists of one to four layers of woven/braided aluminum or copper wire, often combined with aluminum foil for enhanced performance.Key Components and ConstructionCe

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High transmission lines are placed vertical or horizontal and why?

Horizontal arrangement Uniform electric field distribution: In the horizontal arrangement, the three-phase conductors are on the same horizontal plane. This arrangement helps to make the electric field distribution around the conductors more uniform. A uniform electric field distribution can reduce the occurrence of corona. Corona refers to the discharge phenomenon that occurs when the air around the conductors is ionized under high voltage. It can cause power loss and radio interference. Facili

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What are the advantages of using an armoured cable in electrical wiring?

Benefits of Using Armored Cable in Electrical WiringArmored cable (Armored Cable) is a type of cable with an additional protective layer, typically used in applications that require higher mechanical protection and environmental resistance. Below are the main benefits of using armored cable:1. Enhanced Mechanical ProtectionCompression and Tensile Strength: The armor layer, usually made of metal materials (such as steel tape or steel wire), can effectively resist external pressure, tension, and o

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What tests should be performed when evaluating electrical cable samples?

Tests to Perform When Evaluating Cable SamplesWhen evaluating cable samples, a series of standardized tests are typically conducted to ensure their quality and performance meet the intended application requirements. These tests cover electrical performance, mechanical performance, environmental adaptability, and more. Below are common cable testing categories and their brief descriptions:1. Electrical Performance TestsThese tests are primarily used to verify the conductivity and insulation prope

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How do engineers test the fatigue resistance of electrical wires?

How Engineers Test the Fatigue Resistance of WiresTesting the fatigue resistance of wires is a crucial step to ensure their reliability and safety during long-term use. Wires are subjected to repeated bending, stretching, and vibration in practical applications, so evaluating their fatigue performance is essential. Below are some methods and techniques that engineers typically use to test the fatigue resistance of wires.1. Bending Fatigue TestPurpose:To assess the durability of wires under repea

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Cable schematic diagram

Cable schematic diagram

Master Electrician

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