LED Downlights – LED Light Fixtures | 1000Bulbs, LED Recessed Lighting. Light fixtures that are recessed in the ceiling to shine down on a space are called "downlights." Sometimes called "can lights" or "pot lights," retrofit LED downlights can be installed into existing fixtures by removing the original bulb and trim before screwing in an LED module adapter into the socket.
Recessed light clearance distances & codes – InspectAPedia, This article describes recessed light (downlight, pot light) clearance distances or spacing from insulation or wood or other combustibles in building ceilings, other indoor spaces or outdoors in roofs, soffits, porches.. Discussed here: Clearance spacing for recessed light fixtures: distances, codes. Air leakage code requirements for recessed lights, downlights.