The Current Loop Supply CS195 provides a floting DC supply for energizing a 2-wire transmitter in a hazardous area,and repeats the transmitter signal in another floating circuit to drive a safe-area load. The unit is intrinsically saft for connection to Zone 0,1 or 2 hazardous-area wiring, dose not require the use of safty barriers and dispenses with the need for isolation in transmitters used with earthed or poorly insulated sensors.