Very long…but informative intro to all the items and tools of the mod Electrical Age. The reason it took so long is that the mod IS HUGE!

Index:
Wires: Beginning
Lamps & Lamp Box: 3:00
Battery Chargers: 6:20
Wireless Signal: 6:57
Voltage Relays: 7:41

Mod here: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/2104648-electrical-age-physics-electric-circuits-more