Lighting Automation 101: Timeclocks and Photocells

00:01 - Introduction
01:04 - Materials: Brief summary of which device to use
02:46 - Practice Exams
03:01 - Safety: Dangers of working on circuits controlled by Timeclocks and Photocells
03:41 - Code Time: NEC 250.4 A(2)
04:35 - Electrical Theory: How Photocells actually work
06:27 - Did You Know: Photocells and Solar Panels
07:08 - Demonstration
10:59 - Ending

Welcome to yet another informative video in which we delve into the "magic" behind the automatic lighting in our everyday environments! 🧙‍♂️💡 Have you ever wondered why parking lot lights appear to turn on and off by themselves? Timeclocks and photocells are responsible for this function.
In our INTRODUCTION, we discuss how photocells and timeclocks are typically used to control automatic lighting. Then, in MATERIALS, we discuss the various ratings of timeclocks and photocells and how to wire these devices. 🛠️🔌
SAFETY is paramount when working with electronics. We address potential dangers when working on circuits such as pole lights, emphasizing the need to always turn off breakers before you begin.
Then, we discuss NEC 250.4 A(2) Grounding of Electrical Equipment during CODE TIME. We research the question of why metal devices, such as timeclocks, have ground conductors but plastic devices, such as some photocells, do not. ⚡📚
Prepare for a deep dive into the workings of photocells in ELECTRICAL THEORY. We look into the topics of photoresistors, photons, and control circuit transformation. 🧪🔬
In the DID YOU KNOW section, we talk about the functional similarities between solar panels and photocells. ☀️🌎
Finally, the performance begins! In the DEMONSTRATION section, where we display a functioning timeclock and photocell connected to a few contactors, we bring everything together. Observe these intricate devices in action, controlling lights with automated precision! 🎬💡
Join us on this educational journey and get ready to view the lights around you with a newfound appreciation and comprehension. Don't forget to like, subscribe, and share our video with anyone you know who is curious about the magic behind our everyday technology!

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