From OpenStreetMap Wiki
|tower:type = lighting|
|Poles for lighting, flood lighting columns|
|Rendering in openstreetmap-carto|
|Used on these elements|
|Status: in use|
|Tools for this tag|
This tag is for large poles that are used for lighting.
E.g. lighting for stadiums public places, flood lights, and large headlight masts.
This does not include street lights, even if they are larger.