Magne-current amplifier

Magne-current amplifiers are devices that, well, amplify currents within machines. Presumably through the use of magnetism. If used improperly, a Magne-current amplifier can cause the machine it is fastened onto to overload and shut down.

Fiction

TransTech

In order to escape from Axiom Nexus's offworlder maximum security prison, Packrat had Oilmaster plant a magne-current amplifier onto the prison's generator. Whether or not this would have done the trick is unknown, as the power went off in all of Axiom Nexus a few moments later due to completely unrelated circumstances. Cybertron's Most Wanted