Disconnect the transmitter when taking a bath. A spinal cord stimulator device is implanted under the skin and give a mild electric current to your spinal cord. There’s small wire that give the current from a pulse generator to the nerve fibers of the spinal cord. When it is switch on, the SCS stimulates the nerves in the area where your pain is felt. Pain is lessen because the electrical pulses modify and mask the pain signal from reaching the brain.