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An inexpensive, lightweight, overhead lighting system positions fluorescent tubes and their associated ballasts in slotted plastic pipes arranged in end to end relation and connected and supported by plastic pipe fittings, including ells, tees, angles and cross shaped sections which are in turn susp

An inexpensive, lightweight, overhead lighting system positions fluorescent tubes and their associated ballasts in slotted plastic pipes arranged in end to end relation and connected and supported by plastic pipe fittings, including ells, tees, angles and cross shaped sections which are in turn suspended beneath a ceiling or roof of a structure by appropriate support rods and tubes.

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In a tubular lighting system having at least one plastic pipe of a known circumference with a longitudinally extending slot therein of a width at least equal to one-fourth of said known circumference of said plastic pipe and means for suspending said plastic pipe from an overhead support, the improv

In a tubular lighting system having at least one plastic pipe of a known circumference with a longitudinally extending slot therein of a width at least equal to one-fourth of said known circumference of said plastic pipe and means for suspending said plastic pipe from an overhead support, the improvement comprising longitudinally spaced inverted generally U-shaped brackets positioned in said plastic pipe and straddling said slot therein, a tubular light source in said plastic pipe supported by said generally U-shaped brackets, said tubular light source being in partial registry with said elongated slot and means including an electric circuit for energizing said tubular light source.