Resistor color code calculator

Resistors are the basic building blocks of a circuit. They are used in circuits as voltage dividers, current limits, termination for communication links, etc. It is important to know how…

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An overview of switchgear

What is switchgear? Any mechanical switching devices used to make or break the current flow and their combination with measuring and control devices are known as switchgear. This includes circuit…

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Parts of a transformer

Transformer facilitates the delivery of power electric energy at minimum power loss. The basic parts of a transformer are core, the primary winding and secondary winding. Apart from these, there…

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Earth Leakage Relay (ELR)

An earth leakage can represent a danger to life or property if it is not located and mitigated. Studies have revealed that at least 500 people experience electrocution every year…

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