Big Dim Bulb Tester with Variac and Isolation Transformer
13:41
The #1 Mistake You're Making with Dim Bulb Testers - Don't Make It Again!
44:06
How An Isolated Dim Bulb Tester Works (Current Limited Isolation Transformer And VARIAC)
28:53
Isolation Transformers, Variacs and Autotransformers
1:06:24
Become A Super Electronics Troubleshooter!
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VTVM Restoration, Alignment, and why you should own one
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Build This Dim Bulb Current Limiter
10:28
Building a Dim Bulb Tester for Electronics Repair with parts from Lowes & Finding Incandescent Bulbs
39:08