Tesla coil

A Tesla coil is an air-core transformer used to produce high voltages of high-frequency alternating currents. It was invented by Nikola Tesla around 1891.
In Command & Conquer, Tesla coil may refer to:
*Tesla coil (Red Alert 1)
*Tesla coil (Red Alert 2)
*Tesla coil (Red Alert 3)
*Tesla coil (Red Alert iOS)
de:Tesla-Spule