DIY / Prototype AC Power Source with Adjustable Current Trip-Pt1

DIY / Prototype AC Power Source with Adjustable Current Trip-Pt2

EEVblog #1265 - $53 360W Lab Bench PSU!

DIY Mini Lab Bench Power Supply (With Switchable DC and AC Input)

AC to DC Power Supply - Breadboard to Prototype board.

#254 MATRIX APS-4000A APS-7100 AC Power Source Hands-On Teardown

TSP #85 - Teardown & Repair of a Sencore PR570 Variable Isolation Transformer & Safety Analyzer

Sencore PR570 - Upgrade & A Variac Tip Everyone Should See

DIY Variable AC Power Supply

Sencore PR570 Safety Analyzer Repair Variable Isolation Transformer

Linear DC Power Supplies - Designing & Building Custom DC Power Supplies

Every Component of a Switch Mode Power Supply Explained

DIY Variac And Isolation Transformer Build Guide. Fire And Death Avoidance!!

How to Make an Electronics Workbench Variac (variable autotransformer)

DIY Homemade Regulated AC Power Supply + More

The Bang Preventer - aka DIY Current Limiter with isolation transformer

#772 Basics: Switching Power Supplies (part 1 of 2)

Big Dim Bulb Tester with Variac and Isolation Transformer

Tutorial: How to build and design an AC to DC Power Adapter / Supply

DIY Bench Power Supply #16 - Op Amp Oscillations and more...

Sencore PR57 "Powerite" Repair