The biasing member 1104 generally provides a bias that urges the conductive member 1100 away from the body 1006. the biasing member 1104 is comprised of a resilient material or device and may be a compression spring, flat spring, coil spring, a foamed ploymer such as foamed polyurethane (e.g., PORON???), an elastomer, a bladder or other member or device that urges the conductive member 1100.