The AEMC CA7024 Fault Mapper is a handheld cable length meter and fault locator designed to detect open circuits and shorts in cables. It can indicate the distance to a fault from one end of the cable when access is available. The device measures cable lengths up to 6000 feet (2000 meters) in both feet and meters, with automatic impedance compensation. It features a built-in library of common cables and their velocity of propagation (Vp), with manual Vp selection for other cables. The unit includes a tone generator for cable tracing, a large backlit display, and CE marking. Applications include measuring cable lengths on reels, detecting faults and wiring issues, and tracing cable runs in walls or conduits.