बिना मल्टीमीटर का उपयोग किए रिले के COM NO और NC टर्मिनल पहचानने का सही तरीका

Описание: In this video, you will learn the correct and practical method to identify Relay COM, NO, and NC terminals without using a multimeter or circuit diagram. This technique is very useful for electricians, technicians, and beginners who want to understand relay wiring quickly at the site.

Along with this, I have also explained step-by-step how to make a relay holding (self-hold / latching) circuit, which is commonly used in control panels, motor starters, and automation circuits. The concept is explained in a simple and easy-to-understand manner with practical examples.

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