1. An electrical conduction control and sensing device comprising: a control circuit; an electrically configurable conduction device coupled to the control circuit and capable of being configured to have a high conductivity; a sense amplifier coupled to the electrically configurable conduction device and capable of producing a sense current, detecting a magnitude of voltage produced by the sense current, and producing a blown signal; and a coupling circuit coupled to the electrically configurable conduction device and the sense amplifier, the coupling circuit having means for electrically communicating the sense current to the electrically configurable conduction device and for electrically protecting the sense amplifier.