The magnetron, as it then existed, was a hollow copper block pumped out to a high vacuum, through which ran a heated wire.

The radiation, usually infrared and visible, emitted by a heated wire reduces the efficiency of an electric circuit.

Typical flameless heating elements are an electrically heated wire or an artificial coal.

One of them thought they should increase the heated wires so she always had to run on them, whether she was slowing down or not.

A series of heated wires threaded me through and through.

An electrically heated wire is cooled by the flow, the rate of cooling depending on the velocity.

A heated wire is inserted into the follicle.

The problem is, we'd need a vacuum to prevent the heated wire from burning up.

A simple Prevent Burn spell on this heated wire would not do?

The room was lit in the usual Rossemian fashion of electrically heated wire.