a current limiter is provided to protect a fieldbus network from electrical shorts in the wiring of the spur cables and network devices attached to the spur cables . in the event of an electrical short , the impedance of the current limiter and the spur connection increases permitting the remainder of the network to continue to function . to facilitate repairs , the current limiter includes an indicator that signals excessive current in the spur . a method of connecting a spur cable to the network is provided where the spur cable is connected to a separate current limiter module that is pugged into a connector block .