What is a Category 1 anti-theft device?

What is a Category 1 anti-theft device?

This device is a kill switch designed to resist tampering. To prevent hot-wiring of the auto, a protective cap is attached to the coil or starter solenoid. Such devices must meet the following criteria: (1) Armored cable must run from a separate key to the coil, starter solenoid, or other engine component.