AEMC CA7024 Fault Mapper Cable Length/Fault Tester with Alpha-Numeric TDRThe Fault Mapper Model CA7024 is a hand held, alphanumeric, TDR (Time Domain Reflectometer) Cable Length Meter and Fault Locator, designed to measure the length of electrical and communication cables. It can also indicate the distance to a fault in the cable (open or short), given access to only one end of a two or more conductor cable. By incorporating fast edge step TDR technology, the Model CA7024 measures cable length and indicates the distance to