This 120 volt UL Classified 'Interchangeable' 20 amp, single pole replacement circuit breaker is used in Challenger, General Electric, Murray, Siemens, Thomas & Betts or Westinghouse load centers. Typical applications, up to 2,200 watts, include kitchen circuits, branch circuits, wall receptacles, electric heaters (up to 1,650 watts), dishwashers, refrigerators, freezers, washing machines, window air conditioners (110V, up to 5,500 BTU) and electric motors (3/4 hp to 1-1/4 hp). These are only suggested applications and cannot assure compliance with all local codes. Please check local electrical codes before starting any electrical project.