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Electrical Knowledge

Electrical Knowledge

  • Contactor: Essential Component in Low and High Voltage Electrical Systems

    Contactor: Essential Component in Low and High Voltage Electrical Systems

    In modern electrical systems, contactors play a crucial role in controlling circuits for motors, heating devices, welding equipment, capacitor banks, and more. These devices are essential for frequently switching on and off AC or DC circuits, enabling remote automatic control.   Particularly impo...
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  • Differentiating Low Voltage, High Voltage, Strong Current, and Weak Current!

    Differentiating Low Voltage, High Voltage, Strong Current, and Weak Current!

    In the electrical industry, the terms “high voltage,” “low voltage,” “strong current,” and “weak current” are often used, yet they can be confusing even to professionals. I’ve always wanted to take some time to clarify the relationships betwee...
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  • How Can You Solve Common Electrical Faults?

    How Can You Solve Common Electrical Faults?

    Fault 1:Why is the neutral wire live?   Analysis: A live neutral wire, often referred to as backfeed, is usually caused by a loose connection or a short circuit in the neutral line. Solution: Check the wiring to ensure the neutral wire is securely connected, particularly at the top and bott...
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  • Types of Circuit Breakers

    Types of Circuit Breakers

    (1) Air Circuit Breaker (ACB) Air circuit breakers, also known as universal circuit breakers, have all components housed within an insulated metal frame. They are usually open-type and can accommodate various attachments, making it convenient to replace contacts and parts. Commonly used as main...
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