F48T12/HO/RDC waterproof LED directly relamps 60 watt 48" fluorescent bulb F48T12/HO without rewiring or modification. It's a Plug & Play product from our "Relamp Series" when switching to LED lighting. T12/HO lamp works with traditional magnetic ballasts and modern electronic ballasts. It's fully compatible with Instant Start, Programmed Start, Rapid Start and legacy pre-heat magnetic ballasts. Installing the lamp, as easy as changing a bulb:Turn power OFF before installationRemove the existing lampInstall LED T12/HOSwitch on power General Specifications: Energy saving of 48% from 60 watts to 31 watts with 3410 lumens outputEnergy saving of 37% from 60 watts to 38 watts with 4180 lumens outputAll plastic diffuser for better light distribution, less spot reflectionsO Rings to waterproof rotating caps and sealed diffuser for indoor and outdoor applicationsHeavy duty aluminum heat sink ensures the LED run cooler for longerPlastic and aluminum construction ensures less breakageLong life span of > 50,000+ hoursHigh lumen output > 110 lumens/watt6000 kelvin daylightUses 31,38 watts = 60 watts equivalent2 bulbs per packageSingle Sided - 3410 lumensDual Sided - 4180 lumensA.k.a T-12 High output Recessed Double Contact (RDC)Rotatable R17D end cap that swivels regardless of socket orientation in signSpecial application lamps that are designed for cold weatherTechnical description: F48T12/HO/RDCSuitable as Walk-in Cooler, Freezer & Refrigeration equipment lightingIdeal for vertical or horizontal installation, single or double-sided signsPerfect for Gas stations, Signage, BillboardsWorks with electronic and magnetic ballast only!Ballast operated lamp, not bypass compatible