A method and apparatus for blocking residual water lingering in pipes after the water has been shut off and substantially drained in a residential or commercial establishment just prior to soldering. The initial change record describes a change made to a target data object located at a target location in an electronic database. The at least one bypass switch is used to bypass at least one of the power elements. A data protection category for each of said one or more recovery points is determined in accordance with said data protection method, a recovery point type, and a recovery point location associated with said each recovery point. The stimulator provides a means of stimulating tissue at a stimulation site when desired, and may be implanted via a minimal surgical procedure.