For residential application. Preheat starter required normal power factor. Operates on 10V systems Input voltage 120V Input frequency 60 hertz. Minimum start temperature 50 degrees. SKU: 41524641 MFG: LC1420CI Shop more products by Philips. We offer lowest price on Fluorescent Ballasts. With Life and Home you always get the best deals SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $35 Sold out $9.95 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Magnetic Series wiring Voltage Rating: 120 V Wattage: 21 W Frequency Rating: 60 Hz Lamp Wattage: 19 W Numberof Lamps: 1 Start Type: Pre-Heat Contractor grade fluorescent ballast Date stamped on bottom of each ballast For use with one F14T8, F15T8, F18T8, F19T8, F14T12, F15T12, or F20T12 bulb Minimum start temperature 50 degrees Usage: For normal light areas, offices, board rooms UL and CSA listed FEATURES MFR: LC1420CI SKU: 41524641 UPC: 781087101308 Brand: Philips