SATCO NUVO Medium Base Lamp Holder 4 Piece Solid Brass Pre Wired Keyless 2 Uno Rings 10 Foot 18 3 SVT Black Cord Polished Nickel Finish (80 2574) backorder714 this 120 277V electronic ballast ensures backorder1428 this 120 277V electronic ballast ensures reliable performance for (1 2) 2 8 foot T12 HO or VHO T8 HO 20W 40W Circline 13W 55W Compact Fluorescent bulbs The low profile steel body works on flat or sloped ceilings and keeps the fixture visually simple while doubling the output of the single light version Ideal For: Table lamps • Floor lamps • Modern and contemporary fixtures • Lamp manufacturing • Custom lamp builds Two uno rings let shade rings drop directly onto the socket body without a harp