Abstract: A valve assembly for use in detecting leaks is provided. The valve assembly includes a valve, a power source coupled to the valve, and a sensor coupled to the power source. The sensor is configured to close the valve when exposed to a predetermined amount of fluid.

Abstract: A valve assembly for use in detecting leaks is provided. The valve assembly includes a valve, a power source coupled to the valve, and a sensor coupled to the power source. The sensor is configured to close the valve when exposed to a predetermined amount of fluid.

Abstract: A liquid sensor for disabling an electrical device includes upper and lower conductors, each preferably formed of wire mesh tape, separated by a water permeable insulating material such as foam. The electrical device to be disabled when the presence of a liquid is detected is preferably connected to a power source through a circuit breaker, and the upper conductor of the liquid sensor is connected to the same side of the circuit breaker as the electrical device. The lower conductor of the liquid sensor is preferably connected to ground. When water accumulates in the vicinity of the liquid sensor to the point that the water forms an electrical connection between the upper and lower conductors, the sensor will induce an excessive current through the circuit breaker, thus causing the circuit breaker to trip or blow, thus removing power to the electrical device.