Electrical
Control Panel Base 06 Green
A metal block with 300 hit points.
Harvest drops
Iron× 20
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
Salvage drops
Short Iron Pipe× 1 @ 10%
Spring× 1 @ 10%
Electrical Parts× 1-7
Extra parts when salvaged with a wrench, ratchet or impact driver.
When it collapses
Falling, it leaves 
Scrap Metal Pile (75% of the time) where it lands.
Where to find (5 POIs)
Beanthere Coffee Company (tier 4), Ecotrash Recycling Center (tier 4), Ironwood Paper Mill (tier 4), Cell Tower #3, Perishton.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.