Device Type: Locking Receptacle
3 Replacement Types of Threading Tips Included - Ring
Minimum start temperature is -20 degrees
May be lamped with your choice of incandescent
Keystone Electronic Ballast, 1, 2, 3 or 4 Lamps, F54T5/HO, F54T5HO/ES(49W), FT55W/2G11, FT50W/2G11, FT36/2G11 or F58T8 Product Category_Exit Signs and Emergency Lights Device Type: Locking ReceptacleThe Keystone F54T5 HO, FT55W 2G11, FT36 39W 2G11 or F58T8 electronic ballast from Warehouse Lighting powers one, two, three or four lamps. This 120 277V ballast has a high power factor and a normal ballast factor. Its minimum start temperature is 20 degrees Fahrenheit. Founded by a veteran returning home after World War II, Keystone has been in business in Pennsylvania for 70 years and stands behind this reliable product with a five year warranty,