TTL Technologies Pvt. Ltd. Manufactures General Purpose Cable Locator. TTL Technologies Pvt. Ltd. Is an ISO/IEC 17025:2005 awarded company. The company manufactures Test Instruments. The General Purpose Cable Locator is ideal for tracing cables in walls and underground, locating fuses or breakers on final circuits and locating interruptions and short-circuits in cables and electrical floor heating systems. The General Purpose Cable Locator can also be used for tracing metallic water and heating pipes. The unit is supplied as a complete kit comprising of a transmitter and receiver in a purpose-made carry case. The receiver also incorporates a torch function for working in dimly lit locations.