When you try to locate the correct breaker for a specific outlet, do you find yourself shutting off every light and resetting every clock in your house as you go through every breaker individually? What if you could accomplish all that with a lot less work? You can do that and much more with our selection of circuit testers. Beyond simply locating circuits, we feature models that allow you to see behind walls and panels to look for and identify wiring problems, which can help prevent electric shock hazards, electrical fires, or poor appliance performance.