#electrical-engineering
45 episodes
#5266: Why Cordless Rotary Tools Sag Mid-Battery
A dead USB port, a sagging battery, and the real physics behind why cordless rotary tools lose their bite mid-charge.
#5235: Wiring Smart Patio Lights Through Home Assistant
Picking a Zigbee RGB controller is the easy part — sizing the power supply and keeping mains water out is where patio lighting projects live or die.
#5127: Brushless vs Brushed Motors: What You're Really Paying For
Carbon blocks, copper windings, and a controller that changes everything. Here's what "brushless" actually means on your tools.
#5125: Why Your Cordless Tool Dies While Plugged In
Power path management explained — why your Dremel can't charge and run at the same time, and what it would take to fix it.
#5112: AC vs. DC: What Actually Happens When You Get Shocked?
Voltage isn't what kills you. Current is. Here's what really happens when AC meets the human body.
#5059: Israel's Unique Plug Problem: Standards, Cost, and Identity
Why does Israel have its own electrical plug no other country uses? The story of the Standards Institution of Israel reveals a nation-building lega...
#5045: Balcony Solar in Jerusalem: What Can You Really Capture?
A Jerusalem renter wonders if he can wring every watt from his south-facing balcony. The physics say yes. The lease says no.
#5030: How the Blue LED Quietly Rewired the World's Energy Grid
From 15% of global electricity to under 10%—how a semiconductor breakthrough made lighting nearly free and what's next.
#5015: Plugs vs. Water: What Actually Keeps You Safe
Why bathroom and outdoor outlets fail, and what actually works to keep both you and your gear safe.
#4978: Can Your Wall Scanner Actually Find Live Wires?
Most wall scanners can't reliably detect live AC wires. Here's what actually works.
#4954: What Actually Starts House Fires — The Data
Cooking causes 49% of home fires. But heating and electrical are the real killers. Here's why.
#4866: How Aircraft and Skyscrapers Survive Lightning Strikes
How do planes and buildings take million-volt hits and keep working? The engineering is surprisingly different.
#4694: The Hidden Light System That Guides Pilots Home
How massive light arrays extending from runways guide pilots through fog and darkness — and the engineering that keeps them precise.
#4551: Decoding the Cable Aisle: What All Those Specs Mean
Installation cable vs. flexible cord, H-codes, and why 1.5mm² is your DIY sweet spot. We decode the label.
#4285: The Middle-Voltage DC Field Guide
When to use 24V vs 48V DC, how to distribute it, and what hardware you'll need.
#4124: Building a Safe AC-to-DC Enclosure for MQTT Traffic Lights
Learn to safely build a constant-voltage enclosure for a Raspberry Pi-powered traffic light with MQTT control.
#3825: Low Voltage, High Stakes: Electricians vs Linemen
Why 120V is "low voltage" and what separates electricians from linemen at the meter.
#3821: The Blue Plug That Runs the World
Everything you never knew about the industrial plug hiding in plain sight on every construction site and festival stage.
#3818: Three Fixes for Loose Europlugs in Israeli Sockets
Stop wrestling with loose power tool plugs. Three cheap, practical fixes for the Europlug-to-Israeli-socket mismatch.
#3810: What's Inside Those Fenced Electrical Compounds?
Distribution substations step down high voltage for neighborhoods. Here's how they work and why we need them.
#3245: Why Integrated LED Fixtures Are Beating Smart Bulbs
Smart bulbs cram radios into metal cages. Integrated fixtures solve that—and Matter makes it seamless.
#3088: Can Old Israeli Apartments Be Fixed? A Renovation Reality Check
Electrical, plumbing, and insulation upgrades in aging Israeli buildings—what's actually possible and what's just myth.
#3057: Decoding the Multimeter: What That Dial Actually Does
Learn what a multimeter actually does beyond voltage—continuity, resistance, current, and how to avoid blowing it up.
#3056: How to Find Wires Before You Drill
Avoid drilling into live wires with the right tools and pattern recognition for Israeli walls.