The scope of work includes providing all labor, materials, equipment, tools and incidentals to perform, complete and finish electrical systems associated with the removal and replacement of airport PLBs at Seattle-Tacoma International Airport. Electrical work includes but is not limited to installations of raceways, wiring, boxes, transformers, 480VAC disconnect switches, raceways, cabling and accessories for 400hz systems, PLB controls wiring, miscellaneous electrical devices, temporary power and lighting assemblies, and equipment, testing, and grounding in accordance with all requirements of the code enforcing agencies. Work also includes the troubleshooting of new & existing systems including wiring, control cabling, mis-labeled or mislanded cables, etc.