Weatherproof electrical outlet box and mounting means therefor

Claim 1

A CAST METAL WEATHERPROOF OUTLET BOX COMPRISING, IN COMBINATION, A BASE, SIDE WALLS, END WALLS, SLOTS EXTENDING INWARDLY OF THE JUNCTION OF SAID WALLS AT THE CORNERS, EACH SLOT SUBSTANTIALLY BISECTING THE ANGLE BETWEEN THE RESPECTIVE SIDEWALL AND SAID BASE, SAID SLOTS EXTENDING FROM SAID END WALLS ALONG THE JUNCTION OF SAID SIDE WALLS AND SAID BASE FOR A PREDETERMINED DISTANCE AND A MOUNTING LUG PLACED IN AT LEAST ONE OF SAID SLOTS, EACH SAID LUG HAVING A THICKNESS SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID SLOTS AND BEING BENT ALONG A LINE TRANSVERSE TO ITS WIDTH AT AN ANGLE EQUAL TO SAID SLOT ANGLE WHEREBY SAID LUGS WHEN INSERTED IN SAID SLOTS EXTEND FROM SAID BOX