A probe activated valve system is disclosed that permits easier and safer testing of fluids in a pressurized system. A spanning tree is used to connect a content producer, such as a pay-per-view broadcaster, to one or more receivers over a computer network, such as the Internet. Each scissor assembly includes a first frame member pivotally coupled to a second frame member at a first pivot point. A probe may engage the charge dissipation electrical contact to remove the electrical charge from the read element at a desired rate because of the resistor.