Circuit Tester Demonstration (Supplemental Video to Cigar Tube Circuit Tester project)
8:04
Sinstar Car Circuit Tester, 3.5-36V Car Power Tester, Component Activation Electrical Tester.
4:59
The Most Dangerous Electrical Tool
8:33
Reinventing the neon test screwdriver
36:25
Make a Cigar Tube Circuit Tester - Part 1
13:44
The Ultimate Voltage Tester Battle: My Surprising Favorite!
9:50
Dangerous Device - Neon Mains Testing Screwdriver
13:07
Inside a mechanic's test probe - with schematic
8:48