Cable and Wire Fault Locating Equipment and Counter

Equipment used for locating faults in cable during manufacture and after installation. For manufacturing, “sparkers” continuously monitor the integrity of the insulation (as it is being applied to the wire) by a voltage between the wire and the sparker electrode. For installed cable or wire, special equipment (from tone generators to pulse generators to capacitance measurers) may be needed to locate a problem within a few feet in a circuit that may be miles in length. See Spark Testing.