Low Voltage Wire splice connectors - Pack of 12 Quick Solderless T Tap Connector 1 Pin,Rock Solid Connector for 24-20 AWG Cable for Vehicle/audio/video/Lighting and Automotive Uses : Amazon.de: Baumarkt
C'mon Baby, Tap That Wire!
How Wiretapping Works | HowStuffWorks
IDEAL Main 750 - 3/0 AWG, Tap 10-14 AWG B-Tap Connector BTC500-14 - The Home Depot
Craziest Wire Taps in US History | The Swamp
How to tap into a wire using solder | Crutchfield - YouTube