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One or more horizontally disposed, vertically spaced raceways have passageways for medical gases and electrical wiring which may communicate with a vertical chase at the ends of the raceways which contain conduits for such gases and wiring. The gases are piped inside a compartment at the top of the

One or more horizontally disposed, vertically spaced raceways have passageways for medical gases and electrical wiring which may communicate with a vertical chase at the ends of the raceways which contain conduits for such gases and wiring. The gases are piped inside a compartment at the top of the raceway and then by branch pipes to outlets on the front or the bottom of the raceway. Wiring of different voltages are contained in vertically spaced passageways in the back of the raceway and are electrically connected to socket outlets at convenient intervals on the front. Vertical separators isolate the various voltage wires from each other. Detachable covers provide access to the various compartments. Rails are formed on the exterior so that auxiliary eqipment may be clamped thereto at desired intervals.

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A headwall horizontal raceway adapted to fit along a wall comprising first compartment-forming means forming a first compartment, said first compartment-forming means comprising a vertical back, a horizontal first compartment bottom perpendicular to said first compartment back, a detachable first co

A headwall horizontal raceway adapted to fit along a wall comprising first compartment-forming means forming a first compartment, said first compartment-forming means comprising a vertical back, a horizontal first compartment bottom perpendicular to said first compartment back, a detachable first cover for said first compartment, first attachment means for securing said first compartment back to said wall, second compartment-forming means below said first compartment-forming means forming a second compartment, said second compartment-forming means comprising a vertical second compartment back, a plurality of shelves extending horizontally forward from said second compartment back, each said shelf dimensioned to support at least one electric cable and space said cable from cables on other shelves, a detachable substantially vertical second cover closing off the forward end of said second compartment-forming means, at least one electric service outlet fastened to said second cover and connected to one said electric cable, a horizontal second compartment bottom separate from said second compartment back and said second cover closing off the bottom of said second compartment, second attachment means for securing said second compartment bottom to said wall, at least one medical gas service outlet passing vertically through said second compartment bottom and adapted for attachment of a hose to the outer end of said medical gas service outlet exterior to said second compartment, a plurality of horizontal pipes for medical gases in said first compartment, at least one said pipe extending down through said first compartment bottom into said second compartment and attached to the inner end of said medical gas service outlet.