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Introduction to Ferrules

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1:59
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Master Electrician Teaches Son 2 ways how to Connect Stranded THHN wire to any Device, Thoughts?

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What happens here

The most professional and secure method for connecting stranded wire involves using a ferrule. The instructor introduces ferrules, explaining they are small metal tubes, often with plastic collars, specifically designed to terminate stranded wire. He displays various types and sizes of ferrules, including some with pre-insulated collars (red, green) and others that are simple metal tubes. Ferrules are crucial in quality control panels and any professional electrical setup to ensure all strands are contained and make full contact, preventing fraying and ensuring a reliable connection.

Goal: Understand what a ferrule is and its application for stranded wire.

Tools and materials

  • Ferrules — Demonstrating the different types and sizes available for terminating stranded wire

What they say

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>> It's not mandatory, it's workmanlike. There's a difference between code and workmanlike. What's required and workmanlike. But now, I'm going to show you the exceptional way to do it, professional way to do it. What I would do is put on a ferrule. What's a ferrule? This is a ferrule. Oh, I see. This is only for stranded. Yeah, it's for stranded wire. Any quality control panel, any quality panel that you see, you'll always see ferrules on there. So, this just slips over the end of the wire.

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