If you ever need to drill holes in walls, ceilings or floors then you need to be absolutely sure that your cable locator is giving you a reliable reading. If there's no reading there must be no cable or pipe. Professional general purpose cable locators are sensitive enough to reliably trace:

• cables, water and heating pipes in walls and underground
• fuses/breakers on final circuits
• interruptions and short-circuits in cables and electrical floor heating systems.

They make the invisible ... visible. The Fluke 2042 cable locator comes as a complete kit with transmitter and receiver in a purpose-made carry case. The receiver also incorporates a torch for working in dimly lit locations.