Complete cathodic protection installations comprised of anodes, cathodes, power supplies, cells, monitors, test stations, recorders, probes, coupons (used in the testing for internal corrosion monitoring), coupon holders and access fittings therefore, and computers and computer software; computer work stations comprising ultrasonic scanning instruments, transducers, video displays and recorders, transmitters, receivers, sensors, monitors, remote monitors and data collectors; software for corrosion and cathodic protection, data management and risk assessment; software for tank leak detection and monitoring for cathodic protection systems; sacrificial and impressed current anodes, cathodes, rectifiers, power supplies, test stations, computer terminal boxes, splitter panels, probes, coupons used in the testing for internal corrosion monitoring and coupon holders and access fittings therefore, electrical meters, recorders, reference cells, electrodes, measuring cells, grounding cells, electrical connectors, electrical cable clamps, thermite connections, analytical meters and instruments namely, ammeters, voltmeters, resistance meters and potential meters; shunts and current interrupters; electronic pipe, cable and underground and submerged metal locators; electrical conductors, cabling and wires; wire and cable splicing kits comprised of power strips; wire and cable splicing kits comprised of sealing tape and sleeves; solar power supplies, cathodic protection thermoelectric generator power supplies, ionic and electronic conductive electrolytes and backfills; voltage surge protectors; gas sensors; electric reels for electric wire; pipeline electrical insulating supplies; probe interface modules; ultrasonic scanning instruments, transducers, video displays and recorders, transmitters, receivers, sensors, monitors, remote monitors and data collectors, probe interface modules, coupon holders and access fittings for use in the testing for internal corrosion monitoring.