Lights
Black LED Light Panel, Offset 02 (POI)
CREATIVE: Requires no power and can be turned on/off when designing prefabs.
Harvest drops
Scrap Polymers× 1-2
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Salvage drops
Electrical Parts× 1-4
Extra parts when salvaged with a wrench, ratchet or impact driver.
Drops when destroyed
Iron× 5
When it collapses
Falling, it leaves 
Scrap Metal Pile (75% of the time) where it lands.
Where to find (12 POIs)
Champions Coliseum (tier 5), Dr. Karen Higashi Residence (tier 5), Hybrid Mining (tier 5), Installation Blue Ridge (tier 4), Jeffelon Zuckergates Estate (tier 4), ZMB Radio Station (tier 2), Bomb Shelter 41 (tier 1), Bark Buzz Business Complex, HNN Bank Building, Navezgane Outlets, Pristine Healthcare, Westwood Place.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.