The Pulsar® 71926 20' Power Cord for Pulsar® 4 Pool Maintenance System is is an operating repair / replacement component for the Pulsar® 4 pool water maintenance system. This 20 foot long power cord is intended to replace a damaged, missing, or otherwise compromised transformer power cord for the system. For best results, always refer to manufacturer directions for repairing, replacing, or adding components to pool maintenance systems.