Have you ever wondered just how much of our world is powered by electricity? 🌍💡 "You know one thing that always boggled my mind? Is just how much of our world has electricity in it." We're surrounded by it every day, in everything from our smartphones to our refrigerators! In this video, we'll explore the fascinating inner workings of everyday items, like a phone charger.

00:00 - Intro: Electricity is in everything around us
01:00 - What is AC & DC?
03:37 - Did You Know: Flicker Fusion Threshold
04:25 - Materials: Deep Dive into Transformers
08:36 - Safety: DC is dangerous too!
11:28 - Continuing Education
12:20 - Electrical Theory : Deep Dive into a Phone Charger
18:48 - Code: 690.7, 690.11, and 690.31(D)(1)
19:45 - Demonstration - See the AC flicker!!!

We kick off with the "WHAT IS AC & DC?" segment, where we dive into the world of electrical flow. 📊 We're talking about Alternating Current (AC) and Direct Current (DC), concepts at the heart of electrical engineering. All details are meticulously explained with the help of clear, detailed graphics.

Next, we delve into the unexpected in the "DID YOU KNOW" section. 👀 Here, we'll introduce you to the captivating Flicker Fusion Threshold. This will shed light on why sometimes your lights seem to flicker!

The "MATERIALS" segment plunges us into the realm of transformers. 🧲 Understand how an Alternating Current (AC), as opposed to Direct Current (DC), plays a key role in creating the necessary electromagnetic field for energy transfer.

"Safety First!" is our motto in the "SAFETY" section. 🛡️ We'll debunk misconceptions about the dangers of AC and DC, highlighting the risks associated with Lithium Ion Batteries, particularly in airplanes. Prepare to uncover the mystery of "thermal runaway".

In our "ELECTRICAL THEORY" segment, we explore the insides of a common object - a phone charger cube! ⚡🔌 We walk you through the transformation from AC to DC, discuss the role of the SMPS (Switch Mode Power Supply), and elaborate on the smoothing process.

Our "CODE" section delves into the NEC Code, spotlighting sections 690.7, 690.11, and 690.31(D)(1). 📘 Essential knowledge whether you're an aspiring electrician or just electrical engineering-curious!

Finally, the "DEMONSTRATION" section contrasts the behaviors of AC and DC light bulbs. 🎥💡 With a slow-motion camera, we'll defy the flicker fusion threshold and witness the distinct flicker of the AC bulb and the constant glow of the DC bulb. It's a visual feast you shouldn't miss!

Thank you for joining us on this electrifying exploration! 😊 We hope this video has powered up your understanding of the electrical world around us. Until next time, stay safe and never stop learning! 👋

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