OPerated with the sectionalizer switch open. Any section of the feeder can
be isolated without interruption, and primary faults are reduced in duration to the time required to locate a fault and do the necessary switching to
restore service. Each line of the loop must have sufficient capacity of carry all the load. The additional line exposure tends to increase the frequency of faults, but not necessarily the faults per consumer. Sensitive loads are
affected by reclosing under temporary fault conditions.