Electrical Engineering Basics - Why This Doesn’t Keep You Safe

How RCDs and GFCIs prevent electric shock. Many people think a standard circuit breaker (MCB) protects them, but it only protects wiring. In this video we explain RCD / GFCI protection, how they work, and when they fail. 🎁FLUKE 1674 FC - https://amzn.to/40S50vi 👉 FLUKE 1674 FC Specification - https://tinyurl.com/Fluke-1674FC WHAT WE COVER IN THIS VIDEO: ⚡ MCB vs RCD -- Why a standard circuit breaker only protects your wires, while you can still get a lethal shock. ⚡ THE PHYSICS OF A TRIP -- How a toroidal transformer and magnetic flux detect tiny current imbalances (leakage) in milliseconds. ⚡ GLOBAL STANDARDS -- The difference between RCCB, RCBO, and GFCI (North America vs. UK vs. Europe). ⚡ THE "BLINDED" RCD -- Why modern LED chargers and EV chargers can cause Type AC RCDs to fail (Saturation). ⚡ LIVE BENCH TESTING -- We use a Fluke Multifunction Tester and an Oscilloscope to see the trip waveform in real-time. GFCI Circuit tutorial👉 https://youtu.be/Qi0ynSQw-wc Get your engineers mug here:➡️ https://tinyurl.com/electrical-engineer-mug Watch AD free:➡️ https://www.patreon.com/theengineeringmindset/ Check out our article here: ➡️ https://theengineeringmindset.com/why-this-doesnt-make-you-safe/ 🎁15% discount on multimeters.➡️ https://bit.ly/15-off-multimeters (use code EM15 at checkout) VIDEO CHAPTERS: 0:00 Why standard circuit breakers don’t stop electric shock 1:43 How RCDs / GFCIs protect people 2:44 RCCB vs RCBO vs GFCI 4:49 How an RCD works 5:39 Magnetic field and sense coil explained 7:35 How RCDs detect leakage current 8:38 How the trip mechanism works 9:04 Electronic RCD design 10:25 When an RCD will not protect you 11:24 Type AC vs Type A vs Type F vs Type B RCDs 13:05 How to test an RCD 13:26 Fluke RCD test 15:54 Oscilloscope view of an RCD trip 16:49 How RCDs save your life ⚡🛠️ TOOLS YOU NEED 🛠️⚡ ******************************* Get this electronics book ➡️ https://amzn.to/41cCJPk Professional Multimeter -➡️ https://amzn.to/3xu2Vaw Good multimeter -➡️ https://amzn.to/3xrbuTd Professional clamp meter ➡️ https://amzn.to/4140FnK Good Clamp meter ➡️ https://amzn.to/3xqt2is Outlet tester ➡️- https://amzn.to/3kavg2l Energy monitoring plug ➡️ https://amzn.to/3SkfPl7 Battery tester -➡️ https://amzn.to/3S3fHWI Basic electronics ➡️ kit https://amzn.to/3xuLiqS MY FAVOURITE GEAR 🎥 My camera - https://amzn.to/3YCZ7Q9 🎤 My Microphone - https://amzn.to/3YYXsUC ⌨️ My Keyboard - https://amzn.to/3lBsl33 🖥️ My monitor - https://amzn.to/415BGjW 🎧 My headphones - https://amzn.to/3lN7R7u 👋 SOCIALISE WITH US 👋 ******************************* 👉FACEBOOK: https://facebook.com/theengineeringmindset/ 👉TWITTER: https://twitter.com/TheEngMindset 👉INSTAGRAM: https://instagram.com/engineeringmindset/ 👉WEBSITE: Http://TheEngineeringMindset.com